The Cat® 301.7 CR 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 | 4222 lb |
| Dig Depth | 100 in |
| Net Power | 21 hp |
| Engine Model | C1.1 |
| Engine Power | 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 (1) | Advertised power is tested per the specified standard in effect at the time of manufacture. |
| Note | 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 | 4222 lb |
| Minimum Operating Weight with Canopy* | 3946 lb |
| Maximum Operating Weight with Canopy** | 4222 lb |
| EU: CE Plate Weight*** | 4167 lb |
| Note (1) | *Minimum Weight is based on rubber tracks, operator, expandable 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 | 100 in |
| Vertical Wall | 74.4 in |
| Maximum Reach – Ground Level | 159.8 in |
| Maximum Reach | 162.6 in |
| Maximum Dig Height | 137.4 in |
| Maximum Dump Clearance | 98.8 in |
| Boom In Reach | 63.8 in |
| Tail Swing | 25.6 in |
| Maximum Blade Height | 10.6 in |
| Maximum Blade Depth | 10.4 in |
| Boom Height – Shipping Position | 40.9 in |
| O/A Shipping Height | 90.6 in |
| Swing Bearing – Height | 17.4 in |
| O/A Undercarriage Length | 62.6 in |
| Overall Shipping Length* | 141.3 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 | 5.5 in |
| Stick Length | 45.7 in |
| Note | *Overall Shipping Length depends on blade position during shipment. |
| Dig Depth | 92.5 in |
| Vertical Wall | 70.9 in |
| Maximum Reach – Ground Level | 153.5 in |
| Maximum Reach | 156.3 in |
| Maximum Dig Height | 135 in |
| Maximum Dump Clearance | 96.5 in |
| Boom In Reach | 64.2 in |
| Tail Swing | 25.6 in |
| Maximum Blade Height | 10.6 in |
| Maximum Blade Depth | 10.4 in |
| Boom Height – Shipping Position | 42.9 in |
| O/A Shipping Height | 90.6 in |
| Swing Bearing – Height | 17.4 in |
| O/A Undercarriage Length | 62.6 in |
| Overall Shipping Length* | 142.5 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 | 5.5 in |
| Stick Length | 37.8 in |
| Note | *Overall Shipping Length depends on blade position during shipment. |
| Average Exterior Sound Pressure (ISO 6395:2008) | 93 dB(A) |
| Note | European Union Directive “2000/14/EC” |
| Recyclability | 95% |
| Long Stick | 22 lb |
| Steel Tracks | 110 lb |
| Expandable Undercarriage | Standard |
| Heavy Counterweight | 148 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 | 4 psi |
| Ground Pressure – Maximum Weight | 4.4 psi |
| Gradeability – Maximum | 30 degrees |
| Cooling System | 1 gal (US) |
| Engine Oil | 1.2 gal (US) |
| Fuel Tank | 5.8 gal (US) |
| Hydraulic Tank | 4.8 gal (US) |
| Hydraulic System | 6.9 gal (US) |
| 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 | 2135.7 lbf |
| Digging Force – Stick – Long | 1865.9 lbf |
| Digging Force – Bucket | 3641.9 lbf |
| Type | Load Sensing Hydraulics with Variable Displacement Piston Pump |
| 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) |
| 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 Hydraulic Lines |
| One and Two Way Auxiliary Flow |
| Continuous Auxiliary Flow |
| Auxiliary Line Quick Disconnects |
| Tilt-up Canopy |
| Top Guard ISO 10262:1998 Level I |
| ROPS – ISO 12117-2:2008 |
| TOPS – ISO 12117:1997 |
| 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 |
| Machine Security – Standard Key with Pass Code |
| Vinyl Non-Suspension Seat |
| 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 |
| 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 |
| Expandable Undercarriage |
| Rubber Belt (230 mm/9 in wide) |
| Dozer Blade |
| Dozer Blade Float |
| Hydraulic Track Adjusters |
| Tie Downs on Track Frame |
| One Piece Boom (1780 mm/70 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 |
| Signaling/Warning Horn |
| 12 Volt Power Socket |
| Control Pattern Changer (optional in some regions) |
| No Travel Pedals and Hand Levers |
| Machine Security – Push to Start with Key Fob/Pass Code |
| Vinyl Suspension Seat |
| LED Front Lights |
| LED Front and Rear Lights |
| LED Boom Light |
| Mirrors Left and Right |
| Seat Belt Reminder System |
| Steel Track (230 mm/9 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) |
| Battery Disconnect |
| Product Link PL243 (regulations apply) |
| Product Link PLE643 (regulations apply) |
| Travel Alarm (standard in some regions) |
| Polycarbonate Front Guard (ISO 10262 1998 Level I and EN356 PSA) |
| Polycarbonate Half Height Front Guard (Canopy only) |
| Bio Oil Capable |
| Eco Drain |
| Water Jacket Heater |
| Heavy Counterweight |
