The Cat® 301.8 Mini Excavator delivers power and performance in a compact size to help you work in a wide range of applications.
| Net Power | 21 hp |
| Operating Weight | 4473 lb |
| Dig Depth | 101.2 in |
| Net Power | 21 hp |
| Engine Model | C1.1 |
| Net Power – 2,400 rpm – ISO 9249, 80/1269/EEC | 21 hp |
| Gross Power – SAE J1995:2014 | 21.6 hp |
| Bore | 3 in |
| Stroke | 3.2 in |
| Displacement | 69 in³ |
| Emissions | 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. |
| Note (1) | 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. |
| Operating Weight | 4473 lb |
| Minimum Operating Weight with Canopy* | 3803 lb |
| Maximum Operating Weight with Canopy** | 4211 lb |
| Minimum Operating Weight with Cab* | 4075 lb |
| Maximum Operating Weight with Cab** | 4473 lb |
| EU: CE Plate Weight with Canopy*** | 4145 lb |
| EU: CE Plate Weight with Cab*** | 4409 lb |
| Note (1) | *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. |
| 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. |
| Dig Depth | 101.2 in |
| Vertical Wall | 76.4 in |
| Maximum Reach – Ground Level | 155.9 in |
| Maximum Reach | 158.7 in |
| Maximum Dig Height | 142.5 in |
| Maximum Dump Clearance | 103.9 in |
| Boom In Reach | 55.9 in |
| Tail Swing | 39.2 in |
| Maximum Blade Height | 10.6 in |
| Maximum Blade Depth | 10.4 in |
| Boom Height – Shipping Position | 40.2 in |
| O/A Shipping Height | 90.6 in |
| Swing Bearing – Height | 17.4 in |
| O/A Undercarriage Length | 62.6 in |
| Overall Shipping Length* | 146.1 in |
| Boom Swing – Right | 50 ° |
| Boom Swing – Left | 65 ° |
| Track Belt/Shoe Width | 9.1 in |
| Track Width – Retracted | 39 in |
| Track Width – Expanded | 51.18 in |
| Minimum Ground Clearance Below Undercarriage | 5.9 in |
| Stick Length | 45.7 in |
| Note | *Overall Shipping Length depends on blade position during shipment. |
| Long Stick | 18 lb |
| Steel Tracks | 110 lb |
| Expandable Undercarriage | 271 lb |
| Travel Speed – High | 2.7 mile/h |
| Travel Speed – Low | 1.8 mile/h |
| Maximum Traction Force – High Speed | 2675.2 lbf |
| Maximum Traction Force – Low Speed | 4136.5 lbf |
| Ground Pressure – Minimum Weight | 3.9 psi |
| Ground Pressure – Maximum Weight | 4.3 psi |
| Gradeability – Maximum | 30 degrees |
| Cooling System | 1 gal (US) |
| Engine Oil | 1.2 gal (US) |
| Fuel Tank | 6.9 gal (US) |
| Hydraulic Tank | 4.8 gal (US) |
| Hydraulic System | 6.9 gal (US) |
| Type | Load Sensing Hydraulics with Variable Displacement Piston Pump |
| Pump Flow at 2,400 rpm | 17.4 gpm |
| Operating Pressure – Equipment | 3553.4 psi |
| Operating Pressure – Travel | 3553.4 psi |
| Operating Pressure – Swing | 2132.1 psi |
| Auxiliary Circuit – Primary – Flow | 8.7 gpm |
| Auxiliary Circuit – Primary – Pressure | 3553.4 psi |
| Auxiliary Circuit – Secondary – Flow | 3.7 gpm |
| Auxiliary Circuit – Secondary – Pressure | 3553.4 psi |
| Digging Force – Stick – Standard | 2540.3 lbf |
| Digging Force – Stick – Long | 2203.1 lbf |
| Digging Force – Bucket | 4406.3 lbf |
| Machine Swing Speed | 9.8 r/min |
| Width* | 39 in |
| Height | 8.9 in |
| Note | *Expanded – 1300 mm (51 in) |
| Roll Over Protective Structure (ROPS) | ISO 12117-2:2008 |
| Tip Over Protective Structure (TOPS) | ISO 12117:1997 |
| Top Guard | ISO 10262:1998 (Level I) |
| Dig Depth | 93.3 in |
| Vertical Wall | 72.8 in |
| Maximum Reach – Ground Level | 149.6 in |
| Maximum Reach | 152.4 in |
| Maximum Dig Height | 139.8 in |
| Maximum Dump Clearance | 100.8 in |
| Boom In Reach | 55.9 in |
| Tail Swing | 39.2 in |
| Maximum Blade Height | 10.6 in |
| Maximum Blade Depth | 10.4 in |
| Boom Height – Shipping Position | 42.1 in |
| O/A Shipping Height | 90.6 in |
| Swing Bearing – Height | 17.4 in |
| O/A Undercarriage Length | 62.6 in |
| Overall Shipping Length* | 146.5 in |
| Boom Swing – Right | 50 ° |
| Boom Swing – Left | 65 ° |
| Track Belt/Shoe Width | 9.1 in |
| Track Width – Retracted | 39 in |
| Track Width – Expanded | 51.18 in |
| Minimum Ground Clearance Below Undercarriage | 5.9 in |
| Stick Length | 37.8 in |
| Note | *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 |
| Operator Sound Pressure (ISO 6396:2008) | 72 dB(A) |
| Average Exterior Sound Pressure (ISO 6395:2008) | 99 dB(A) |
| Note | European Union Directive “2000/14/EC” |
| Recyclability | 95% |
| Cat C1.1 Engine (U.S. EPA Tier 4 Final/EU Stage V) |
| Automatic Engine Idle |
| Automatic Engine Shutdown |
| Automatic Two Speed Travel |
| Fuel Water Separator |
| Power on Demand (not available in all regions) |
| Variable Displacement Piston Pump |
| Load Sensing/Flow Sharing Hydraulics |
| Smart Tech Electronic Pump |
| Accumulator |
| Automatic Swing Brake |
| Auxiliary Line Quick Disconnects |
| One and Two Way Auxiliary Flow |
| Continuous Auxiliary Flow |
| Auxiliary Hydraulic Lines |
| Tilt-up Canopy or Tilt-Up Cab |
| Machine 2-Point Lifting |
| Stick Steer Mode |
| Travel Cruise Control |
| Control Pattern Changer (optional in some regions) |
| Adjustable Wrist Rests |
| Washable Floor Mat |
| Travel Pedals and Hand Levers |
| Machine Security |
| Standard Key with Pass Code |
| Fabric Suspension Seat (Cab only) |
| Hydraulic Lockout – All Controls |
| Retractable High Visibility Seat Belt (75 mm/3 in) |
| Coat Hook |
| Cup Holder |
| Storage Pocket |
| Skylight |
| Mounting Bosses for Front |
| Signaling/Warning Horn |
| Interior Light (Cab only) |
| Boom Light, Halogen |
| Utility Space for Mobile Phone |
| Next Generation Color LCD Monitor (IP66)– Fuel Level and Coolant Temperature Gauges– Maintenance and Machine Monitoring– Performance and Machine Adjustments– Numeric Security Code– Multiple Languages– Hour Meter with Wake Up Switch |
| Rubber Belt (250 mm/10 in wide) |
| Dozer Blade |
| Dozer Blade Float |
| Hydraulic Track Adjusters |
| Tie Downs on Track Frame |
| One Piece Boom (1850 mm/73 in) |
| Standard Stick (960 mm/37.8 in) |
| Front Shovel Capable |
| Front Shovel Capable – Pin-On |
| Thumb Ready (not available in all regions) |
| Certified Lifting Eye (optional in some regions) |
| 12 Volt Battery |
| Software (machine and monitor) |
| Maintenance Free Battery |
| Lock Out/Tag Out Battery Disconnect |
| Signaling/Warning Horn |
| 12 Volt Power Socket |
| ROPS – ISO 12117-2:2008 |
| TOPS – ISO 12117:1997 |
| Top Guard ISO 10262:1998 |
| Cab with Air Conditioning |
| Cab with Heater |
| Control Pattern Changer (optional in some regions) |
| No Travel Pedals and Hand Levers |
| Push to Start with Key Fob/Pass Code |
| Vinyl Suspension Seat (Canopy only) |
| Seat Belt Reminder System |
| LED Front Lights |
| LED Front and Rear Lights |
| LED Boom Light |
| Mirrors Left and Right |
| Radio – Bluetooth®, Auxiliary, Microphone, USB (charging only) (Cab only) |
| Expandable Undercarriage |
| Steel Track (250 mm/10 in wide) |
| Long Stick (1160 mm/45.7 in) |
| Front Shovel Capable – Dual Lock Manual Coupler |
| Attachments including Couplers, Thumbs, Buckets, Augers and Hammers |
| 2nd Auxiliary Hydraulic Lines |
| Boom Lowering Check Valve |
| Stick Lowering Check Valve |
| Hydraulic Quick Coupler Lines (not available in all regions) |
| Product Link PL243 (regulations apply) |
| Product Link PLE643 (regulations apply) |
| Travel Alarm (standard in some regions) |
| Polycarbonate Half Height Front Guard (Canopy only) |
| Polycarbonate Front Guard (ISO 10262:1998 Level 1 and EN356 PSA) |
| Bio Oil Capable |
| Eco Drain |
| Water Jacket Heater |
