Overview
Mini Excavators Inspired by Our Customers
The Cat® 301.8 Mini Excavator delivers power and performance in a compact size to help you work in a wide range of applications.
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Key Specs
The Cat® 301.8 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 more common parts, lower repair costs and tilt up cab
with programmable operator settings and faster cyle times
Displaying 1-6 of 8
| Net Power | 21 hp 15.7 kW |
| Engine Model | C1.1 C1.1 |
| Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC | 21 hp 15.7 kW |
| Gross Power - SAE J1995:2014 | 21.6 hp 16.1 kW |
| Bore | 3 in 77 mm |
| Stroke | 3.2 in 81 mm |
| Displacement | 69 in³ 1.1 l |
| Emissions | Meets U.S. EPA Tier 4 Final and EU Stage V emission standards. Meets U.S. EPA Tier 4 Final and EU Stage V emission standards. |
| Note | Net power is tested per ISO 9249:2007 and 80/1269/EEC. Net power is tested per ISO 9249:2007 and 80/1269/EEC. |
| Note (1) | Engine power is tested per ISO 14396:2002. Engine power is tested per ISO 14396:2002. |
| Note (2) | 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. |
| Operating Weight | 4473 lb 2029 kg |
| Minimum Operating Weight with Canopy* | 3803 lb 1725 kg |
| Maximum Operating Weight with Canopy** | 4211 lb 1905 kg |
| Minimum Operating Weight with Cab* | 4075 lb 1848 kg |
| Maximum Operating Weight with Cab** | 4473 lb 2029 kg |
| EU: CE Plate Weight with Canopy*** | 4145 lb 1880 kg |
| EU: CE Plate Weight with Cab*** | 4409 lb 2000 kg |
| Note (1) | *Minimum Weight is based on rubber tracks, operator, fixed undercarriage and full fuel tank. *Minimum Weight is based on rubber tracks, operator, fixed undercarriage and full fuel tank. |
| Note (2) | **Maximum Weight is based on steel tracks, operator, expandable undercarriage and full fuel tank. **Maximum Weight is based on steel tracks, operator, expandable undercarriage and full fuel tank. |
| Note (3) | ***CE Plate Weight is based on the most common EU configuration. Includes 75 kg (165 lb) operator and full fuel tank and excludes bucket. ***CE Plate Weight is based on the most common EU configuration. Includes 75 kg (165 lb) operator and full fuel tank and excludes bucket. |
| Dig Depth | 101.2 in 2570 mm |
| Vertical Wall | 76.4 in 1940 mm |
| Maximum Reach - Ground Level | 155.9 in 3960 mm |
| Maximum Reach | 158.7 in 4030 mm |
| Maximum Dig Height | 142.5 in 3620 mm |
| Maximum Dump Clearance | 103.9 in 2640 mm |
| Boom In Reach | 55.9 in 1420 mm |
| Tail Swing | 39.2 in 995 mm |
| Maximum Blade Height | 10.6 in 270 mm |
| Maximum Blade Depth | 10.4 in 265 mm |
| Boom Height - Shipping Position | 40.2 in 1020 mm |
| O/A Shipping Height | 90.6 in 2300 mm |
| Swing Bearing - Height | 17.4 in 442 mm |
| O/A Undercarriage Length | 62.6 in 1590 mm |
| Overall Shipping Length* | 146.1 in 3710 mm |
| Boom Swing - Right | 50 ° 50 ° |
| Boom Swing - Left | 65 ° 65 ° |
| Track Belt/Shoe Width | 9.1 in 230 mm |
| Track Width - Retracted | 39 in 990 mm |
| Track Width - Expanded | 51.18 in 1300 mm |
| Minimum Ground Clearance Below Undercarriage | 5.9 in 150 mm |
| Stick Length | 45.7 in 1160 mm |
| Note | *Overall Shipping Length depends on blade position during shipment. *Overall Shipping Length depends on blade position during shipment. |
| Long Stick | 18 lb 8 kg |
| Steel Tracks | 110 lb 50 kg |
| Expandable Undercarriage | 271 lb 123 kg |
| Travel Speed - High | 2.7 mile/h 4.4 km/h |
| Travel Speed - Low | 1.8 mile/h 2.9 km/h |
| Maximum Traction Force - High Speed | 2675.2 lbf 11.9 kN |
| Maximum Traction Force - Low Speed | 4136.5 lbf 18.4 kN |
| Ground Pressure - Minimum Weight | 3.9 psi 26.8 kPa |
| Ground Pressure - Maximum Weight | 4.3 psi 29.6 kPa |
| Gradeability - Maximum | 30 degrees 30 degrees |
| Cooling System | 1 gal (US) 3.9 l |
| Engine Oil | 1.2 gal (US) 4.4 l |
| Fuel Tank | 6.9 gal (US) 26 l |
| Hydraulic Tank | 4.8 gal (US) 18 l |
| Hydraulic System | 6.9 gal (US) 26 l |
| Type | Load Sensing Hydraulics with Variable Displacement Piston Pump Load Sensing Hydraulics with Variable Displacement Piston Pump |
| Pump Flow at 2,400 rpm | 17.4 gpm 66 L/min |
| Operating Pressure - Equipment | 3553.4 psi 245 bar |
| Operating Pressure - Travel | 3553.4 psi 245 bar |
| Operating Pressure - Swing | 2132.1 psi 147 bar |
| Auxiliary Circuit - Primary - Flow | 8.7 gpm 33 L/min |
| Auxiliary Circuit - Primary - Pressure | 3553.4 psi 245 bar |
| Auxiliary Circuit - Secondary - Flow | 3.7 gpm 14 L/min |
| Auxiliary Circuit - Secondary - Pressure | 3553.4 psi 245 bar |
| Digging Force - Stick - Standard | 2540.3 lbf 11.3 kN |
| Digging Force - Stick - Long | 2203.1 lbf 9.8 kN |
| Digging Force - Bucket | 4406.3 lbf 19.6 kN |
| Machine Swing Speed | 9.8 r/min 9.8 r/min |
| Width* | 39 in 990 mm |
| Height | 8.9 in 225 mm |
| Note | *Expanded – 1300 mm (51 in) *Expanded – 1300 mm (51 in) |
| 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) |
| Dig Depth | 93.3 in 2370 mm |
| Vertical Wall | 72.8 in 1850 mm |
| Maximum Reach - Ground Level | 149.6 in 3800 mm |
| Maximum Reach | 152.4 in 3870 mm |
| Maximum Dig Height | 139.8 in 3550 mm |
| Maximum Dump Clearance | 100.8 in 2560 mm |
| Boom In Reach | 55.9 in 1420 mm |
| Tail Swing | 39.2 in 995 mm |
| Maximum Blade Height | 10.6 in 270 mm |
| Maximum Blade Depth | 10.4 in 265 mm |
| Boom Height - Shipping Position | 42.1 in 1070 mm |
| O/A Shipping Height | 90.6 in 2300 mm |
| Swing Bearing - Height | 17.4 in 442 mm |
| O/A Undercarriage Length | 62.6 in 1590 mm |
| Overall Shipping Length* | 146.5 in 3720 mm |
| Boom Swing - Right | 50 ° 50 ° |
| Boom Swing - Left | 65 ° 65 ° |
| Track Belt/Shoe Width | 9.1 in 230 mm |
| Track Width - Retracted | 39 in 990 mm |
| Track Width - Expanded | 51.18 in 1300 mm |
| Minimum Ground Clearance Below Undercarriage | 5.9 in 150 mm |
| Stick Length | 37.8 in 960 mm |
| Note | *Overall Shipping Length depends on blade position during shipment. *Overall Shipping Length depends on blade position during shipment. |
| Air Conditioning | The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf (Europe) (Global Warming Potential = 1430). See label or instruction manual for gas refrigerant identification. The system contains 0.75 kg (1.65 lb), 0.90 kg (1.98 lb) or 1 kg (2.20 lb) of refrigerant which has a CO2 equivalent of 1.430 metric tonnes (1.576 tons) for R134a and 0.001 tonnes (0.001 tons) for R1234yf (Europe). The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf (Europe) (Global Warming Potential = 1430). See label or instruction manual for gas refrigerant identification. The system contains 0.75 kg (1.65 lb), 0.90 kg (1.98 lb) or 1 kg (2.20 lb) of refrigerant which has a CO2 equivalent of 1.430 metric tonnes (1.576 tons) for R134a and 0.001 tonnes (0.001 tons) for R1234yf (Europe). |
| Operator Sound Pressure (ISO 6396:2008) | 72 dB(A) 72 dB(A) |
| Average Exterior Sound Pressure (ISO 6395:2008) | 99 dB(A) 99 dB(A) |
| Note | European Union Directive “2000/14/EC” European Union Directive “2000/14/EC” |
| Recyclability | 95% 95% |
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Learn More301.8 Mini Hydraulic Excavator
301.8 Mini Hydraulic Excavator
301.8 Mini Hydraulic Excavator
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Leverage Caterpillar connected data and security principles to improve efficiencies, increase productivity and make your business more profitable.
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.
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.