Overview
Mini Excavators Inspired by Our Customers
The Cat® 305 CR Mini Excavator delivers power and performance in a compact size to help you work in a wide range of applications.
Key Specs
The Cat® 305 CR Mini Excavator delivers power and performance in a compact size to help you work in a wide range of applications.
Cat Exclusives in a Mini Excavator
with extended service intervals, lower repair costs and easy service access
in lifting, digging and multi-function capability
Displaying 1-6 of 8
| Net Power | 36.5 hp 27.2 kW |
| Engine Model | C1.7 Turbo C1.7 Turbo |
| Stroke | 3.9 in 100 mm |
| Displacement | 101 in³ 1.662 l |
| Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC | 36.5 hp 27.2 kW |
| Note (1) | Net power advertised is the power available at the flywheel when the engine is at rated speed and rated power when the engine is installed with the factory configured fan, air intake system, exhaust system, and alternator with a minimum alternator load. Net power advertised is the power available at the flywheel when the engine is at rated speed and rated power when the engine is installed with the factory configured fan, air intake system, exhaust system, and alternator with a minimum alternator load. |
| Bore | 3.3 in 84 mm |
| Gross Power - 2,400 rpm - SAE J1995:2014 | 38.9 hp 29 kW |
| Note | Meets Brazil MAR-1 emission standards. Equivalent to EU Stage IIIA emission standards. Meets Brazil MAR-1 emission standards. Equivalent to EU Stage IIIA emission standards. |
| Operating Weight | 12555 lb 5695 kg |
| Note (1) | **Maximum Weight is based on steel tracks with pads, operator, full fuel tank, long stick, straight blade, extra counterweight and no bucket. **Maximum Weight is based on steel tracks with pads, operator, full fuel tank, long stick, straight blade, extra counterweight and no bucket. |
| Minimum Operating Weight with Cab* | 11100 lb 5035 kg |
| Maximum Operating Weight with Canopy** | 12337 lb 5596 kg |
| Note | *Minimum Weight is based on rubber tracks, operator, full fuel tank, standard stick, straight blade, no bucket and no extra counterweight. *Minimum Weight is based on rubber tracks, operator, full fuel tank, standard stick, straight blade, no bucket and no extra counterweight. |
| Minimum Operating Weight with Canopy* | 10882 lb 4936 kg |
| Maximum Operating Weight with Cab** | 12555 lb 5695 kg |
| Dig Depth | 144.5 in 3670 mm |
| Overall Shipping Length* | 210.2 in 5340 mm |
| Maximum Blade Height | 15.7 in 400 mm |
| Boom Swing - Right | 34.1 in 865 mm |
| Track Width | 78 in 1980 mm |
| Maximum Dig Height | 210.8 in 5355 mm |
| Tail Swing with Counterweight | 47.2 in 1200 mm |
| Maximum Reach | 235.8 in 5990 mm |
| Maximum Dump Clearance | 151.4 in 3845 mm |
| Maximum Reach - Ground Level | 229.7 in 5835 mm |
| O/A Shipping Height | 100.4 in 2550 mm |
| Ground Clearance | 13.2 in 335 mm |
| Stick Length | 63 in 1601 mm |
| O/A Undercarriage Length | 101.8 in 2585 mm |
| Boom In Reach | 101.6 in 2580 mm |
| Swing Bearing - Height | 24.4 in 619 mm |
| Boom Height - Shipping Position | 74.6 in 1895 mm |
| Tail Swing without Counterweight | 43.1 in 1095 mm |
| Note | *Overall Shipping Length depends on blade position during shipment. *Overall Shipping Length depends on blade position during shipment. |
| Track Belt/Shoe Width | 15.7 in 400 mm |
| Vertical Wall | 100.8 in 2560 mm |
| Maximum Blade Depth | 25.6 in 650 mm |
| Boom Swing - Left | 24.2 in 615 mm |
| Maximum Blade Height | 15.7 in 400 mm |
| Boom Swing - Left | 24.2 in 615 mm |
| Vertical Wall | 91.9 in 2335 mm |
| Maximum Blade Depth | 25.6 in 650 mm |
| O/A Undercarriage Length | 101.8 in 2585 mm |
| Boom Swing - Right | 34.1 in 865 mm |
| Dig Depth | 134.6 in 3420 mm |
| Tail Swing with Counterweight | 47.2 in 1200 mm |
| Note | *Overall Shipping Length depends on blade position during shipment. *Overall Shipping Length depends on blade position during shipment. |
| Stick Length | 53.2 in 1351 mm |
| Overall Shipping Length* | 208.9 in 5305 mm |
| Track Width | 78 in 1980 mm |
| Tail Swing without Counterweight | 43.1 in 1095 mm |
| Maximum Dig Height | 205.3 in 5215 mm |
| O/A Shipping Height | 100.4 in 2550 mm |
| Ground Clearance | 13.2 in 335 mm |
| Track Belt/Shoe Width | 15.7 in 400 mm |
| Swing Bearing - Height | 24.4 in 619 mm |
| Maximum Dump Clearance | 145.7 in 3700 mm |
| Maximum Reach | 226.6 in 5755 mm |
| Maximum Reach - Ground Level | 220.1 in 5590 mm |
| Boom Height - Shipping Position | 71.7 in 1820 mm |
| Boom In Reach | 101.2 in 2570 mm |
| Average Exterior Sound Pressure (ISO 6395:2008) | 97 dB(A) 97 dB(A) |
| Operator Sound Pressure (ISO 6396:2008) | 76 dB(A) 76 dB(A) |
| Note | European Union Directive “2000/14/EC” European Union Directive “2000/14/EC” |
| Auxiliary Circuit - Secondary - Flow | 7 gpm 28 L/min |
| Pump Flow at 2,400 rpm | 35 gpm 133 L/min |
| Auxiliary Circuit - Secondary - Pressure | 3843 psi 265 bar |
| Digging Force - Stick - Standard | 6362 lbf 28.3 kN |
| Auxiliary Circuit - Primary - Flow | 21 gpm 80 L/min |
| Auxiliary Circuit - Primary - Pressure | 3843 psi 265 bar |
| Digging Force - Stick - Long | 5665 lbf 25.2 kN |
| Operating Pressure - Swing | 2901 psi 200 bar |
| Operating Pressure - Equipment | 3843 psi 265 bar |
| Note | *Flow and pressure are not combinable. Under load, as flow rises pressure goes down. *Flow and pressure are not combinable. Under load, as flow rises pressure goes down. |
| Type | Load Sensing Hydraulics with Variable Displacement Piston Pump Load Sensing Hydraulics with Variable Displacement Piston Pump |
| Operating Pressure - Travel | 3843 psi 265 bar |
| Digging Force - Bucket | 11061 lbf 49.2 kN |
| Angle Blade Width | 78 in 1980 mm |
| Straight Blade Height | 16.3 in 415 mm |
| Angle Blade Height | 15.7 in 400 mm |
| Angle Blade - Left | 25 degrees 25 degrees |
| Angle Blade - Right | 25 degrees 25 degrees |
| Straight Blade Width | 78 in 1980 mm |
| Engine Oil | 1.6 gal (US) 6 l |
| Cooling System | 2.9 gal (US) 11 l |
| Hydraulic Tank | 20 gal (US) 75 l |
| Hydraulic System | 16 gal (US) 60 l |
| Fuel Tank | 17 gal (US) 63 l |
| Steel Tracks with Pads | 827 lb 375 kg |
| Long Stick | 75 lb 34 kg |
| Angle Blade | 203 lb 92 kg |
| Counterweight | 534 lb 242 kg |
| Machine Swing Speed | 9 r/min 9 r/min |
| Boom Swing - Right | 50 ° 50 ° |
| Boom Swing - Left | 72 ° 72 ° |
| Ground Pressure - Maximum Weight | 4.6 psi 31.8 kPa |
| Travel Speed - Low | 1.7 mile/h 2.8 km/h |
| Ground Pressure - Minimum Weight | 3.9 psi 26.9 kPa |
| Maximum Traction Force - Low Speed | 11353 lbf 50.5 kN |
| Maximum Traction Force - High Speed | 5553 lbf 24.7 kN |
| Gradeability - Maximum | 30 degrees 30 degrees |
| Travel Speed - High | 2.8 mile/h 4.5 km/h |
| Roll Over Protective Structure (ROPS) | ISO 12117-2:2008 ISO 12117-2:2008 |
| Tip Over Protective Structure (TOPS) | ISO 12117:1997 ISO 12117:1997 |
| Top Guard | ISO 10262:1998 Level I ISO 10262:1998 Level I |
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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.