Overview
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.
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.
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
| 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. |
| 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) |
| 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. |
| 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. |
| Average Exterior Sound Pressure (ISO 6395:2008) | 93 dB(A) |
|---|---|
| Note | European Union Directive “2000/14/EC” |
| Recyclability | 95% |
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