Medium Excavators 323 GC Tier 3

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Key Specs

Net Power - ISO 9249: 157 hp; 117 kW

Operating Weight: 51100 lb; 22700 kg

Maximum Digging Depth: 22.1 ft; 6730 mm

323 GC
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Overview

High Performance with Speed and Efficiency

The Cat® 323 GC Excavator promotes productivity with easy-to-use controls, a comfortable cab, increased fuel economy and longer service intervals that help reduce maintenance costs – all to give you a durable, low-cost per-hour excavator for your applications.

Benefits

Low Maintenance Costs

With ground level maintenance, extended life for hydraulic fuel, and air filters and elimination of drain and pilot filters.

Reliable Performance

Get greater swing torque. Improve your visibility with the rear camera. Operate simply with a machine built to last.

High Fuel Efficiency

Using the latest electrohydraulic main valve and pump, Smart Mode, and the high efficiency cooling fan.

Features At A Glance

Displaying 1-6 of 9

Latest Features

Cab Monitor Improvements

Continuously improved user interface allows for intuitive navigation, minimizing performance interruption with the easy-to-use touchscreen menu.
Smaller app tiles to view more apps in one screen.
When navigating the menu, scroll position will be remembered.
While menu is shown and lever is moved, camera view will be shown.
Use the in-monitor QR code to learn about machine and technology features through a full suite of “how-to” videos.

Not all features are available in all regions. Please check with your local Cat® dealer for specific offering availability in your area. Build Number: 07H

Move More with Less Fuel

The C7.1 engine can run on biodiesel up to B20 and emits equivalent to U.S. EPA Tier 3 and EU Stage IIIA.
Use less fuel than the 320D2 to keep you moving and productive on the job site.
The advanced hydraulic system provides the optimum balance of power and efficiency while giving you the control you need for precise digging requirements.
Valve priority puts hydraulic pressure and flow where you command it to go for fast light- to medium-load cycle times.
Match the excavator to the job with two power modes; let Smart mode automatically match engine and hydraulic power to digging conditions.
Auxiliary hydraulic options give you the versatility to use a wide range of Cat® attachments.
Lose less energy and reduce fuel consumption with the positive flow control pump. The pump flow adjusts automatically based on valve priority.
Advansys™ bucket tips increase penetration and improve cycle times. Tip changes can be done quickly with a simple lug wrench instead of a hammer or special tool, improving safety and uptime. Only available on HD buckets.

Reliability You Can Count On

Work up to 3000 m (9,840 ft) above sea level without de-rating.
Don’t let the temperature stop you from working. The 323 GC has a standard high-ambient temperature capability of 52° C (°F) and cold start capability of –18° C (0° F).
Auto warm up speeds up hydraulic oil warming in cold temperatures and helps prolong the life of components.
Two levels of fuel filtration protect the engine from dirty diesel fuel.
Grease sealed between track pins and bushings reduces travel noise and prevents debris from entering to increase undercarriage life.
The track guiding guard helps keep the excavator track aligned when traveling and working on slopes.
The sloped track frame prevents mud and debris accumulation, helping reduce the risk of track damage.

Designed for Operators

The cab has a wide seat that adjusts for operators of all sizes.
Control the excavator comfortably with easy-to-reach controls allocated in front of you.
Standard automatic climate control keeps you at the right temperature all shift long.
Feel more comfortable in the cab while you work with reduced cab vibrations from advanced viscous mounts.
Stow your gear with plenty of in-cab storage beneath and behind the seat, and in the consoles. A cup holder, document holder, bottle holder, and coat hook are also provided.
Use the USB ports and Bluetooth® technology to connect to personal devices.

Simple to Operate

Start the engine with the push button, a Bluetooth® key fob or the unique Operator ID function.
Program your power mode and joystick preferences using Operator ID; the excavator will remember what you set each time you go to work.
Navigate quickly on the standard high-resolution 203 mm (8 in) touchscreen monitor or with the aid of the jog dial control.
Continuously improved user interface allows for intuitive navigation, minimizing performance interruption with the easy-to-use touchscreen menu.
Use the in-monitor QR code to learn about machine and technology features through a full suite of “how-to” videos.
Protect your hammer tool from overheating and rapid wear. Auto hammer stop warns you after 15 seconds of continuous firing and then automatically shuts it off after 30 seconds - all to extend the tool’s service life.
Not sure how a function works or how to maintain the excavator? Always have the operator’s manual at your fingertips in the touchscreen monitor.
Find the tool you need – even if it’s hidden beneath overgrowth or debris. Search with your cell phone for any work tool equipped with Cat® asset tracking devices up to a range of 60 m (200 ft).

Low Maintenance Costs

Use less fuel than the 320D2 to keep you moving and productive on the job site.
Do all daily maintenance inspections at ground level.
Boost productivity with proactive service reminders. The integrated vehicle health management system alerts the operator with step-by-step service guidance along with parts needed so you don't experience any unnecessary downtime..
Check engine oil level quickly and safely with the ground-level engine oil dipstick; fill and check engine oil on top of the machine with a conveniently located second dipstick.
Track your excavator’s filter life and maintenance intervals via the in-cab monitor.
Using Cat® genuine oil and filters and doing your typical S∙O∙S^SM monitoring will extend the current service interval to 1,000 hours, giving you greater uptime to do more work.
Expect the air intake filter with integrated precleaner to last up to 1,000 hours in certain applications.
The latest hydraulic oil filter provides improved filtration performance, anti-drain valves to keep oil clean when the filter is replaced, and longer life with a 3,000 hour replacement interval.
High-efficiency cooling fans run only when needed; you can program intervals so they automatically reverse to keep cores clean without interrupting your work.
S·O·S ports are on ground level, simplifying maintenance and allowing for quick, easy extraction of fluid samples for analysis.

Safely Home Every Day

Access 100% of daily maintenance inspection points from ground level – no need for you to climb on top of the excavator.
Keep your excavator secure with Operator ID. Use your PIN code on the monitor to enable the push button starting feature.
The standard ROPS cab meets ISO 12117-2:2008 requirements.
Enjoy great visibility into the trench, in each swing direction, and behind you with the help of smaller cab pillars, larger windows, and a flat engine hood design. A rearview camera is standard, and a right-side-view mirror is available.
The right service platform design provides easy, safe, and quick access to upper service platform; the service platform steps use anti-skid punch plate to prevent slipping.
The standard hydraulic lockout lever isolates all hydraulic and travel functions in the lowered position.
Ground-level shut-off switch stops all fuel to the engine when activated and shuts down the machine.
Make service work easier and safer with optional inspection lighting. With the flip of a switch, lights will illuminate the engine, pump, battery, and radiator compartments to enhance visibility.
Enhance jobsite safety. Add a swing alarm to alert people when you're rotating from trench to stockpile and back again.

Take the Guesswork Out of Managing Your Equipment

VisionLink™ provides actionable data insights for all assets – regardless of fleet size or equipment manufacturer.* Review equipment data from your desktop or mobile device to maximize uptime and optimize assets. Equipment management features provide up-to-date asset tracking of your entire fleet. You can track asset location, operating hours, fuel level, health issues, and overall utilization. Monitor equipment health with fault codes, fluid analysis, and inspection due dates. It's all about making informed, data-based decisions to help reduce operating costs. Productivity management features enable you to analyze overall job site performance. You'll be able to track tonnage moved, production targets, and payload, as well as Grade 3D and compaction data. These vital metrics help you to reduce costs and improve jobsite operational efficiency.
Remote Flash is a mobile application that allows you to update onboard software without a technician being present, allowing you to initiate software updates when convenient, increasing your overall operating efficiency.

*Data field availability can vary by equipment manufacturer.

Attachments

Tackle your jobs with a complete Cat® solution. Cat attachments are not just accessories – they are essential tools that define what your machine can do. When you pair a Cat excavator with Cat attachments, you unlock a fully integrated system built for performance, durability, and efficiency. Whether you are clearing land, breaking concrete, or compacting soil, the right attachment transforms your excavator into a powerful, multi-purpose tool ready for any challenge. Depending on your project or application, you could benefit from excavator attachments such as:

Buckets: Handle everything from digging and grading to cleanup and debris removal with your excavator. Caterpillar® offers general duty, heavy duty, extreme duty, and severe duty buckets, as well as specialized designs for ditch cleaning, rock, and finishing work. Reinforced edges and wear-resistant materials ensure long-lasting performance in tough conditions.
Couplers (HEX): Cat® couplers for excavators enable fast, secure attachment changes, without the need to leave the cab. From Pin Grabbers to hydraulic quick connect options, couplers help reduce downtime, boost jobsite efficiency and promote versatility by allowing multiple machines to share a common attachment inventory.
Hammers: Break concrete, rock, and steel with up to 1,000 blows per minute. Built for high-production demolition, quarrying, and construction, they offer powerful impact energy and consistent performance. Their durability and low-maintenance design make them essential for demanding breaking applications.
Multi-Processors: A versatile tool for demolition, equipped with interchangeable jaws to handle concrete, steel, and rebar. Multi-Processors combine cutting, crushing and pulverizing capabilities in one attachment. Their modular design maximizes efficiency across a range of job site demands.
Demolition and Sorting Grapples: Tackle larger debris or precisely sort materials into piles. These grapples are engineered for accuracy in demolition and material sorting, handling concrete, rebar, wood, and mixed debris. High clamping force and agile movement make them ideal for primary and secondary demolition and recycling operations.
Pulverizers: Built to crush concrete and separate rebar during demolition and recycling. With high crushing force and fast cycle times, pulverizers efficiently reduce material for easier handling. Primary models feature 360° bidirectional rotation and tackle structure teardown, while secondary models have a fixed jaw design and process debris after demolition.
Orange Peel Grapples: Built for scrap and bulk material handling, Orange Peel Grapples excel with irregular, heavy loads like metal, rock, and waste. Their hydraulic tines provide superior grip and penetration. High-capacity and continuous rotation are perfect for scrap yards and transfer stations. Caterpillar® offers these grapples with a choice of different shell designs and tine options suited to various applications.

Cat® attachments are engineered to maximize your excavator’s productivity, helping you get more work done with greater efficiency and confidence. Choosing the right attachment is not just about compatibility, it is about unlocking your machine’s full potential while avoiding equipment damage or safety risks. Connect with your Cat Dealer to find the optimal attachments for your specific machine and application needs.

Please note: Not all attachments are available in all regions. Contact your Cat Dealer for details.

Cab Monitor Improvements

Continuously improved user interface allows for intuitive navigation, minimizing performance interruption with the easy-to-use touchscreen menu.
Smaller app tiles to view more apps in one screen.
When navigating the menu, scroll position will be remembered.
While menu is shown and lever is moved, camera view will be shown.
Use the in-monitor QR code to learn about machine and technology features through a full suite of “how-to” videos.

Not all features are available in all regions. Please check with your local Cat® dealer for specific offering availability in your area. Build Number: 07H

The C7.1 engine can run on biodiesel up to B20 and emits equivalent to U.S. EPA Tier 3 and EU Stage IIIA.
Use less fuel than the 320D2 to keep you moving and productive on the job site.
The advanced hydraulic system provides the optimum balance of power and efficiency while giving you the control you need for precise digging requirements.
Valve priority puts hydraulic pressure and flow where you command it to go for fast light- to medium-load cycle times.
Match the excavator to the job with two power modes; let Smart mode automatically match engine and hydraulic power to digging conditions.
Auxiliary hydraulic options give you the versatility to use a wide range of Cat® attachments.
Lose less energy and reduce fuel consumption with the positive flow control pump. The pump flow adjusts automatically based on valve priority.
Advansys™ bucket tips increase penetration and improve cycle times. Tip changes can be done quickly with a simple lug wrench instead of a hammer or special tool, improving safety and uptime. Only available on HD buckets.

Work up to 3000 m (9,840 ft) above sea level without de-rating.
Don’t let the temperature stop you from working. The 323 GC has a standard high-ambient temperature capability of 52° C (°F) and cold start capability of –18° C (0° F).
Auto warm up speeds up hydraulic oil warming in cold temperatures and helps prolong the life of components.
Two levels of fuel filtration protect the engine from dirty diesel fuel.
Grease sealed between track pins and bushings reduces travel noise and prevents debris from entering to increase undercarriage life.
The track guiding guard helps keep the excavator track aligned when traveling and working on slopes.
The sloped track frame prevents mud and debris accumulation, helping reduce the risk of track damage.

The cab has a wide seat that adjusts for operators of all sizes.
Control the excavator comfortably with easy-to-reach controls allocated in front of you.
Standard automatic climate control keeps you at the right temperature all shift long.
Feel more comfortable in the cab while you work with reduced cab vibrations from advanced viscous mounts.
Stow your gear with plenty of in-cab storage beneath and behind the seat, and in the consoles. A cup holder, document holder, bottle holder, and coat hook are also provided.
Use the USB ports and Bluetooth® technology to connect to personal devices.

Start the engine with the push button, a Bluetooth® key fob or the unique Operator ID function.
Program your power mode and joystick preferences using Operator ID; the excavator will remember what you set each time you go to work.
Navigate quickly on the standard high-resolution 203 mm (8 in) touchscreen monitor or with the aid of the jog dial control.
Continuously improved user interface allows for intuitive navigation, minimizing performance interruption with the easy-to-use touchscreen menu.
Use the in-monitor QR code to learn about machine and technology features through a full suite of “how-to” videos.
Protect your hammer tool from overheating and rapid wear. Auto hammer stop warns you after 15 seconds of continuous firing and then automatically shuts it off after 30 seconds - all to extend the tool’s service life.
Not sure how a function works or how to maintain the excavator? Always have the operator’s manual at your fingertips in the touchscreen monitor.
Find the tool you need – even if it’s hidden beneath overgrowth or debris. Search with your cell phone for any work tool equipped with Cat® asset tracking devices up to a range of 60 m (200 ft).

Use less fuel than the 320D2 to keep you moving and productive on the job site.
Do all daily maintenance inspections at ground level.
Boost productivity with proactive service reminders. The integrated vehicle health management system alerts the operator with step-by-step service guidance along with parts needed so you don't experience any unnecessary downtime..
Check engine oil level quickly and safely with the ground-level engine oil dipstick; fill and check engine oil on top of the machine with a conveniently located second dipstick.
Track your excavator’s filter life and maintenance intervals via the in-cab monitor.
Using Cat® genuine oil and filters and doing your typical S∙O∙S^SM monitoring will extend the current service interval to 1,000 hours, giving you greater uptime to do more work.
Expect the air intake filter with integrated precleaner to last up to 1,000 hours in certain applications.
The latest hydraulic oil filter provides improved filtration performance, anti-drain valves to keep oil clean when the filter is replaced, and longer life with a 3,000 hour replacement interval.
High-efficiency cooling fans run only when needed; you can program intervals so they automatically reverse to keep cores clean without interrupting your work.
S·O·S ports are on ground level, simplifying maintenance and allowing for quick, easy extraction of fluid samples for analysis.

Access 100% of daily maintenance inspection points from ground level – no need for you to climb on top of the excavator.
Keep your excavator secure with Operator ID. Use your PIN code on the monitor to enable the push button starting feature.
The standard ROPS cab meets ISO 12117-2:2008 requirements.
Enjoy great visibility into the trench, in each swing direction, and behind you with the help of smaller cab pillars, larger windows, and a flat engine hood design. A rearview camera is standard, and a right-side-view mirror is available.
The right service platform design provides easy, safe, and quick access to upper service platform; the service platform steps use anti-skid punch plate to prevent slipping.
The standard hydraulic lockout lever isolates all hydraulic and travel functions in the lowered position.
Ground-level shut-off switch stops all fuel to the engine when activated and shuts down the machine.
Make service work easier and safer with optional inspection lighting. With the flip of a switch, lights will illuminate the engine, pump, battery, and radiator compartments to enhance visibility.
Enhance jobsite safety. Add a swing alarm to alert people when you're rotating from trench to stockpile and back again.

VisionLink™ provides actionable data insights for all assets – regardless of fleet size or equipment manufacturer.* Review equipment data from your desktop or mobile device to maximize uptime and optimize assets. Equipment management features provide up-to-date asset tracking of your entire fleet. You can track asset location, operating hours, fuel level, health issues, and overall utilization. Monitor equipment health with fault codes, fluid analysis, and inspection due dates. It's all about making informed, data-based decisions to help reduce operating costs. Productivity management features enable you to analyze overall job site performance. You'll be able to track tonnage moved, production targets, and payload, as well as Grade 3D and compaction data. These vital metrics help you to reduce costs and improve jobsite operational efficiency.
Remote Flash is a mobile application that allows you to update onboard software without a technician being present, allowing you to initiate software updates when convenient, increasing your overall operating efficiency.

*Data field availability can vary by equipment manufacturer.

Buckets: Handle everything from digging and grading to cleanup and debris removal with your excavator. Caterpillar® offers general duty, heavy duty, extreme duty, and severe duty buckets, as well as specialized designs for ditch cleaning, rock, and finishing work. Reinforced edges and wear-resistant materials ensure long-lasting performance in tough conditions.
Couplers (HEX): Cat® couplers for excavators enable fast, secure attachment changes, without the need to leave the cab. From Pin Grabbers to hydraulic quick connect options, couplers help reduce downtime, boost jobsite efficiency and promote versatility by allowing multiple machines to share a common attachment inventory.
Hammers: Break concrete, rock, and steel with up to 1,000 blows per minute. Built for high-production demolition, quarrying, and construction, they offer powerful impact energy and consistent performance. Their durability and low-maintenance design make them essential for demanding breaking applications.
Multi-Processors: A versatile tool for demolition, equipped with interchangeable jaws to handle concrete, steel, and rebar. Multi-Processors combine cutting, crushing and pulverizing capabilities in one attachment. Their modular design maximizes efficiency across a range of job site demands.
Demolition and Sorting Grapples: Tackle larger debris or precisely sort materials into piles. These grapples are engineered for accuracy in demolition and material sorting, handling concrete, rebar, wood, and mixed debris. High clamping force and agile movement make them ideal for primary and secondary demolition and recycling operations.
Pulverizers: Built to crush concrete and separate rebar during demolition and recycling. With high crushing force and fast cycle times, pulverizers efficiently reduce material for easier handling. Primary models feature 360° bidirectional rotation and tackle structure teardown, while secondary models have a fixed jaw design and process debris after demolition.
Orange Peel Grapples: Built for scrap and bulk material handling, Orange Peel Grapples excel with irregular, heavy loads like metal, rock, and waste. Their hydraulic tines provide superior grip and penetration. High-capacity and continuous rotation are perfect for scrap yards and transfer stations. Caterpillar® offers these grapples with a choice of different shell designs and tine options suited to various applications.

Specifications Standard Equipment Optional Equipment

Product Specifications for 323 GC

Engine

Net Power - ISO 9249	157 hp 117 kW
Net Power - ISO 9249 (DIN)	159 hp (metric) 159 hp (metric)
Engine Model	Cat® C7.1 Cat® C7.1
Engine Power - ISO 14396	158 hp 118 kW
Engine Power - ISO 14396 (DIN)	160 hp (metric) 160 hp (metric)
Bore	4 in 105 mm
Stroke	5 in 135 mm
Displacement	428 in³ 7.01 l
Biodiesel Capability	Up to B20¹ Up to B20¹
Emissions	Emits equivalent to U.S. EPA Tier 3 and EU Stage IIIA. Emits equivalent to U.S. EPA Tier 3 and EU Stage IIIA.
Note (1)	Net power advertised is the power available at the flywheel when the engine is equipped with fan, air intake system, exhaust system and alternator with engine speed at 1,800 rpm. Advertised power is tested per the specified standard in effect at the time of manufacture. Net power advertised is the power available at the flywheel when the engine is equipped with fan, air intake system, exhaust system and alternator with engine speed at 1,800 rpm. Advertised power is tested per the specified standard in effect at the time of manufacture.
Note (2)	¹Cat engines are compatible with diesel fuel blended with the following lower-carbon intensity fuels** up to: 100% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details. For use of blends higher than 20% biodiesel, consult your Cat dealer. Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels. ¹Cat engines are compatible with diesel fuel blended with the following lower-carbon intensity fuels* up to: 100% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details. For use of blends higher than 20% biodiesel, consult your Cat dealer. *Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels.

Weights

Operating Weight	51100 lb 22700 kg
Note	Long undercarriage, Reach boom, R2.9 m (9'5") Reach stick, 1.3 m³ (1.7 yd³) General Duty (GD) bucket, 600 mm (24") triple grouser shoes and 4700 kg (10,360 lb) counterweight. Long undercarriage, Reach boom, R2.9 m (9'5") Reach stick, 1.3 m³ (1.7 yd³) General Duty (GD) bucket, 600 mm (24") triple grouser shoes and 4700 kg (10,360 lb) counterweight.

Working Ranges and Forces

Maximum Digging Depth	22.1 ft 6730 mm
Boom	Reach 5.7 m (18'8") Reach 5.7 m (18'8")
Stick	Reach 2.9 m (9'6") Reach 2.9 m (9'6")
Bucket	GD 1.3 m³ (1.7 yd³) GD 1.3 m³ (1.7 yd³)
Maximum Reach at Ground Level	32.4 ft 9870 mm
Maximum Cutting Height	31 ft 9450 mm
Maximum Loading Height	21.3 ft 6490 mm
Minimum Loading Height	7.1 ft 2170 mm
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom	21.5 ft 6560 mm
Maximum Vertical Wall Digging Depth	18.5 ft 5610 mm
Bucket Digging Force - ISO	31520 lbf 140 kN
Stick Digging Force - ISO	23970 lbf 107 kN

Hydraulic System

Main System - Maximum Flow	429 l/min (113 gal/min) 429 l/min (113 gal/min)
Maximum Pressure - Equipment	5075 psi 35000 kPa
Maximum Pressure - Travel	4974 psi 34300 kPa
Maximum Pressure - Swing	3886 psi 26800 kPa

Swing Mechanism

Swing Speed*	11.25 r/min 11.25 r/min
Maximum Swing Torque	60300 lbf·ft 81.8 kN·m
Note (1)	For CE-marked machine default value may be set lower. For CE-marked machine default value may be set lower.

Service Refill Capacities

Fuel Tank Capacity	91.1 gal (US) 345 l
Cooling System	6.6 gal (US) 25 l
Engine Oil - With Filter	6.6 gal (US) 25 l
Swing Drive	1.6 gal (US) 6 l
Final Drive - Each	1.3 gal (US) 5 l
Hydraulic System - Including Tank	61.8 gal (US) 234 l
Hydraulic Tank	30.4 gal (US) 115 l

Dimensions

Boom	Reach 5.7 m (18'8") Reach 5.7 m (18'8")
Stick	Reach 2.9 m (9'6") Reach 2.9 m (9'6")
Bucket	GD 1.3 m³ (1.7 yd³) GD 1.3 m³ (1.7 yd³)
Shipping Height - Top of Cab	9.7 ft 2960 mm
Handrail Height	9.7 ft 2950 mm
Shipping Length	31.3 ft 9530 mm
Tail Swing Radius	9.3 ft 2830 mm
Counterweight Clearance	3.4 ft 1050 mm
Ground Clearance	1.5 ft 470 mm
Track Length	14.7 mm 4450 mm
Length to Center of Rollers	12 ft 3650 mm
Track Gauge	7.8 ft 2380 mm
Transport Width	9.9 ft 2980 mm

323 GC Standard Equipment

NOTE

Standard and optional equipment may vary. Consult your Cat dealer for details.

BOOM AND STICKS

5.7 m (18'8") Reach boom

CAB

Rollover Protective Structure (ROPS)

High-resolution 8" (203 mm) LCD touchscreen monitor

Mechanical-suspension seat

CAT TECHNOLOGY

VisionLink™

Remote Flash

ELECTRICAL SYSTEM

Two 1,000 CCA maintenance-free batteries

Programmable time-delay LED working lights

LED chassis light, left-hand/right-hand boom lights, cab lights

ENGINE

Cat C7.1 single turbo diesel engine

Two selectable modes

Auto engine speed control

Auto engine idle shutdown

52° C (125° F) high-ambient cooling capacity

-18°C (0°F) cold start capability

Double element air filter with integrated pre-cleaner

Electric fuel priming pump

Two-stage fuel filtration system with water separator and indicator

Electric cooling fans with auto-reverse function

HYDRAULIC SYSTEM

Electronic main control valve - 1 way high pressure auxiliary circuit ready

Tandem type electronic main pump

Boom and stick regeneration circuits

Auto warm up

Auto two-speed travel

Boom and stick drift reduction valve

Element type main hydraulic filter

SAFETY AND SECURITY

Auto hammer stop

Rearview camera and right-hand side mirror

Ground-level engine shutoff switch

Right-hand handrail and handhold

Signaling/warning horn

Service platform with anti-skid plate and countersunk bolts

Hydraulic lock out lever neutralizes all controls

Lockable disconnect switch

SERVICE AND MAINTENANCE

Side entry to service platform

Grouped location of engine oil and fuel filters

Sampling ports for Scheduled Oil Sampling (S·O·S℠)

Ground-level and platform-level engine oil dipsticks

Integrated vehicle health management system

UNDERCARRIAGE AND STRUCTURES

Long undercarriage

Grease lubricated track

4700 kg (10,360 lb) counterweight

Tie-down points on base frame

323 GC Optional Equipment

NOTE

Standard and optional equipment may vary. Consult your Cat dealer for details.

CAB

Operator Protective Guards (OPG)

BOOM AND STICKS

2.9 m (9'6") Reach stick

2.5 m (8'2") Reach stick

2.9 m (9'6") Reach bare stick

2.5 m (8'2") Reach bare stick

ENGINE

-32° C (-25° F) cold start capability

HYDRAULIC SYSTEM

Combined flow/high-pressure auxiliary circuit

Boom and stick hydraulic hammer lines

SAFETY AND SECURITY

Right-hand-sideview camera

Swing alarm

Inspection lighting

UNDERCARRIAGE AND STRUCTURES

600 mm (24") triple grouser track shoes

790 mm (31") triple grouser track shoes

Product Specifications for 323 GC

Download Print

Engine

Net Power - ISO 9249	157 hp 117 kW
Net Power - ISO 9249 (DIN)	159 hp (metric) 159 hp (metric)
Engine Model	Cat® C7.1 Cat® C7.1
Engine Power - ISO 14396	158 hp 118 kW
Engine Power - ISO 14396 (DIN)	160 hp (metric) 160 hp (metric)
Bore	4 in 105 mm
Stroke	5 in 135 mm
Displacement	428 in³ 7.01 l
Biodiesel Capability	Up to B20¹ Up to B20¹
Emissions	Emits equivalent to U.S. EPA Tier 3 and EU Stage IIIA. Emits equivalent to U.S. EPA Tier 3 and EU Stage IIIA.
Note (1)	Net power advertised is the power available at the flywheel when the engine is equipped with fan, air intake system, exhaust system and alternator with engine speed at 1,800 rpm. Advertised power is tested per the specified standard in effect at the time of manufacture. Net power advertised is the power available at the flywheel when the engine is equipped with fan, air intake system, exhaust system and alternator with engine speed at 1,800 rpm. Advertised power is tested per the specified standard in effect at the time of manufacture.
Note (2)	¹Cat engines are compatible with diesel fuel blended with the following lower-carbon intensity fuels** up to: 100% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details. For use of blends higher than 20% biodiesel, consult your Cat dealer. Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels. ¹Cat engines are compatible with diesel fuel blended with the following lower-carbon intensity fuels* up to: 100% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details. For use of blends higher than 20% biodiesel, consult your Cat dealer. *Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels.

Weights

Operating Weight	51100 lb 22700 kg
Note	Long undercarriage, Reach boom, R2.9 m (9'5") Reach stick, 1.3 m³ (1.7 yd³) General Duty (GD) bucket, 600 mm (24") triple grouser shoes and 4700 kg (10,360 lb) counterweight. Long undercarriage, Reach boom, R2.9 m (9'5") Reach stick, 1.3 m³ (1.7 yd³) General Duty (GD) bucket, 600 mm (24") triple grouser shoes and 4700 kg (10,360 lb) counterweight.

Working Ranges and Forces

Maximum Digging Depth	22.1 ft 6730 mm
Boom	Reach 5.7 m (18'8") Reach 5.7 m (18'8")
Stick	Reach 2.9 m (9'6") Reach 2.9 m (9'6")
Bucket	GD 1.3 m³ (1.7 yd³) GD 1.3 m³ (1.7 yd³)
Maximum Reach at Ground Level	32.4 ft 9870 mm
Maximum Cutting Height	31 ft 9450 mm
Maximum Loading Height	21.3 ft 6490 mm
Minimum Loading Height	7.1 ft 2170 mm
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom	21.5 ft 6560 mm
Maximum Vertical Wall Digging Depth	18.5 ft 5610 mm
Bucket Digging Force - ISO	31520 lbf 140 kN
Stick Digging Force - ISO	23970 lbf 107 kN

Hydraulic System

Main System - Maximum Flow	429 l/min (113 gal/min) 429 l/min (113 gal/min)
Maximum Pressure - Equipment	5075 psi 35000 kPa
Maximum Pressure - Travel	4974 psi 34300 kPa
Maximum Pressure - Swing	3886 psi 26800 kPa

Swing Mechanism

Swing Speed*	11.25 r/min 11.25 r/min
Maximum Swing Torque	60300 lbf·ft 81.8 kN·m
Note (1)	For CE-marked machine default value may be set lower. For CE-marked machine default value may be set lower.

Service Refill Capacities

Fuel Tank Capacity	91.1 gal (US) 345 l
Cooling System	6.6 gal (US) 25 l
Engine Oil - With Filter	6.6 gal (US) 25 l
Swing Drive	1.6 gal (US) 6 l
Final Drive - Each	1.3 gal (US) 5 l
Hydraulic System - Including Tank	61.8 gal (US) 234 l
Hydraulic Tank	30.4 gal (US) 115 l

Dimensions

Boom	Reach 5.7 m (18'8") Reach 5.7 m (18'8")
Stick	Reach 2.9 m (9'6") Reach 2.9 m (9'6")
Bucket	GD 1.3 m³ (1.7 yd³) GD 1.3 m³ (1.7 yd³)
Shipping Height - Top of Cab	9.7 ft 2960 mm
Handrail Height	9.7 ft 2950 mm
Shipping Length	31.3 ft 9530 mm
Tail Swing Radius	9.3 ft 2830 mm
Counterweight Clearance	3.4 ft 1050 mm
Ground Clearance	1.5 ft 470 mm
Track Length	14.7 mm 4450 mm
Length to Center of Rollers	12 ft 3650 mm
Track Gauge	7.8 ft 2380 mm
Transport Width	9.9 ft 2980 mm

323 GC Standard Equipment

NOTE

Standard and optional equipment may vary. Consult your Cat dealer for details.

BOOM AND STICKS

5.7 m (18'8") Reach boom

CAB

Rollover Protective Structure (ROPS)

High-resolution 8" (203 mm) LCD touchscreen monitor

Mechanical-suspension seat

CAT TECHNOLOGY

VisionLink™

Remote Flash

ELECTRICAL SYSTEM

Two 1,000 CCA maintenance-free batteries

Programmable time-delay LED working lights

LED chassis light, left-hand/right-hand boom lights, cab lights

ENGINE

Cat C7.1 single turbo diesel engine

Two selectable modes

Auto engine speed control

Auto engine idle shutdown

52° C (125° F) high-ambient cooling capacity

-18°C (0°F) cold start capability

Double element air filter with integrated pre-cleaner

Electric fuel priming pump

Two-stage fuel filtration system with water separator and indicator

Electric cooling fans with auto-reverse function

HYDRAULIC SYSTEM

Electronic main control valve - 1 way high pressure auxiliary circuit ready

Tandem type electronic main pump

Boom and stick regeneration circuits

Auto warm up

Auto two-speed travel

Boom and stick drift reduction valve

Element type main hydraulic filter

SAFETY AND SECURITY

Auto hammer stop

Rearview camera and right-hand side mirror

Ground-level engine shutoff switch

Right-hand handrail and handhold

Signaling/warning horn

Service platform with anti-skid plate and countersunk bolts

Hydraulic lock out lever neutralizes all controls

Lockable disconnect switch

SERVICE AND MAINTENANCE

Side entry to service platform

Grouped location of engine oil and fuel filters

Sampling ports for Scheduled Oil Sampling (S·O·S℠)

Ground-level and platform-level engine oil dipsticks

Integrated vehicle health management system

UNDERCARRIAGE AND STRUCTURES

Long undercarriage

Grease lubricated track

4700 kg (10,360 lb) counterweight

Tie-down points on base frame

323 GC Optional Equipment

NOTE

Standard and optional equipment may vary. Consult your Cat dealer for details.

CAB

Operator Protective Guards (OPG)

BOOM AND STICKS

2.9 m (9'6") Reach stick

2.5 m (8'2") Reach stick

2.9 m (9'6") Reach bare stick

2.5 m (8'2") Reach bare stick

ENGINE

-32° C (-25° F) cold start capability

HYDRAULIC SYSTEM

Combined flow/high-pressure auxiliary circuit

Boom and stick hydraulic hammer lines

SAFETY AND SECURITY

Right-hand-sideview camera

Swing alarm

Inspection lighting

UNDERCARRIAGE AND STRUCTURES

600 mm (24") triple grouser track shoes

790 mm (31") triple grouser track shoes

Compatible Technology and Services

Leverage Caterpillar connected data and security principles to improve efficiencies, increase productivity and make your business more profitable.

Cat® Remote Flash

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Remote Flash sends an alert from your Cat dealer, prompting you to update the software on your machine. To minimize downtime, updates can be deployed while on the jobsite without having to wait for a dealer technician to arrive. Remote flash decreases maintenance time and keeps your asset running with maximum efficiency.

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VisionLink™

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VisionLink™ is a cloud-based software application that takes the guesswork out of fleet management with key insights to maximize performance - regardless of fleet size or equipment manufacturer. Receive equipment data seamlessly to your desktop or mobile device, all from a convenient centralized solution to make informed decisions at every turn.

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Remote Flash sends an alert from your Cat dealer, prompting you to update the software on your machine. To minimize downtime, updates can be deployed while on the jobsite without having to wait for a dealer technician to arrive. Remote flash decreases maintenance time and keeps your asset running with maximum efficiency.

Explore Technology

VisionLink™ is a cloud-based software application that takes the guesswork out of fleet management with key insights to maximize performance - regardless of fleet size or equipment manufacturer. Receive equipment data seamlessly to your desktop or mobile device, all from a convenient centralized solution to make informed decisions at every turn.

Explore Technology