301.7 CR Mini Hydraulic Excavator
301.7 CR Mini Hydraulic Excavator
301.7 CR Mini Hydraulic Excavator
301.7 CR Mini Hydraulic Excavator

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
Engine Model C1.1
Emissions Meets U.S. EPA Tier 4 Final and EU Stage V emission standards.
Bore 3 in
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.
Stroke 3.2 in
Displacement 69 in³
Note Net power is tested per ISO 9249:2007 and 80/1269/EEC.
Note (1) Engine power is tested per ISO 14396:2002.
Gross Power - SAE J1995:2014 21.6 HP
Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC 21 HP
Operating Weight 4222 lb
Minimum Operating Weight with Canopy* 3946 lb
Maximum Operating Weight with Canopy** 4222 lb
Note (2) **Maximum Weight is based on steel tracks, operator, expandable undercarriage and full fuel tank.
Note (1) *Minimum Weight is based on rubber 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.
EU: CE Plate Weight*** 4167 lb
Dig Depth 100 in
Tail Swing 25.6 in
O/A Shipping Height 90.6 in
Maximum Blade Height 10.6 in
Minimum Ground Clearance Below Undercarriage 5.5 in
O/A Undercarriage Length 62.6 in
Boom Height - Shipping Position 40.9 in
Maximum Dump Clearance 98.8 in
Track Belt/Shoe Width 9.1 in
Maximum Dig Height 137.4 in
Track Width - Expanded 51.18 in
Maximum Reach - Ground Level 159.8 in
Swing Bearing - Height 17.4 in
Boom Swing - Left 65 °
Stick Length 45.7 in
Vertical Wall 74.4 in
Track Width - Retracted 39 in
Boom Swing - Right 50 °
Note *Overall Shipping Length depends on blade position during shipment.
Maximum Reach 162.6 in
Boom In Reach 63.8 in
Overall Shipping Length* 141.3 in
Maximum Blade Depth 10.4 in
Height 8.9 in
Note *Expanded – 1300 mm (51 in)
Width* 39 in
Operating Pressure - Equipment 3553.4 psi
Operating Pressure - Swing 2132.1 psi
Digging Force - Stick - Standard 2135.7 lbf
Pump Flow at 2,400 rpm 17.4 gal/min
Auxiliary Circuit - Primary - Pressure 3553.4 psi
Digging Force - Bucket 3641.9 lbf
Auxiliary Circuit - Secondary - Pressure 3553.4 psi
Operating Pressure - Travel 3553.4 psi
Type Load Sensing Hydraulics with Variable Displacement Piston Pump
Auxiliary Circuit - Secondary - Flow 3.7 gal/min
Auxiliary Circuit - Primary - Flow 8.7 gal/min
Digging Force - Stick - Long 1865.9 lbf
Track Belt/Shoe Width 9.1 in
Overall Shipping Length* 142.5 in
Track Width - Expanded 51.18 in
O/A Undercarriage Length 62.6 in
Maximum Reach - Ground Level 153.5 in
Boom Height - Shipping Position 42.9 in
Boom Swing - Left 65 °
Maximum Reach 156.3 in
Maximum Blade Depth 10.4 in
Dig Depth 92.5 in
Maximum Dump Clearance 96.5 in
Maximum Blade Height 10.6 in
Tail Swing 25.6 in
Boom In Reach 64.2 in
Minimum Ground Clearance Below Undercarriage 5.5 in
O/A Shipping Height 90.6 in
Swing Bearing - Height 17.4 in
Stick Length 37.8 in
Vertical Wall 70.9 in
Boom Swing - Right 50 °
Track Width - Retracted 39 in
Maximum Dig Height 135 in
Note *Overall Shipping Length depends on blade position during shipment.
Maximum Traction Force - High Speed 2675.2 lbf
Travel Speed - High 2.7 mile/h
Ground Pressure - Maximum Weight 4.4 psi
Travel Speed - Low 1.8 mile/h
Maximum Traction Force - Low Speed 4136.5 lbf
Gradeability - Maximum 30 degrees
Ground Pressure - Minimum Weight 4 psi
Engine Oil 1.2 gal (US)
Hydraulic Tank 4.8 gal (US)
Fuel Tank 5.8 gal (US)
Cooling System 1 gal (US)
Hydraulic System 6.9 gal (US)
Average Exterior Sound Pressure (ISO 6395:2008) 93 dB(A)
Note European Union Directive “2000/14/EC”
Steel Tracks 110 lb
Long Stick 22 lb
Expandable Undercarriage Standard
Heavy Counterweight 148 lb
Machine Swing Speed 9.8 r/min
Roll Over Protective Structure (ROPS) ISO 12117-2:2008
Top Guard ISO 10262:1998 (Level I)
Tip Over Protective Structure (TOPS) ISO 12117:1997

  • Adjustable wrist rests and a suspension seat option help keep you working comfortably all day long.

  • Controls are easy to use and the intuitive Next Generation LCD monitor provides easy to read machine information.

  • Moving around the job site is even easier with the Cat Stick Steer option. Easily switch from traditional travel controls with levers and pedals to joystick controls with a push of a button. The benefit of less effort and improved control is in your hands!

  • Strong lift and dig performance helps you get the job done faster. The compact radius design and retractable undercarriage lets you access and work in the tightest areas. Dig-to-blade and dozer float features allow for easy clean up.

  • Your safety is our top priority. The Cat mini excavator is designed to help keep you safe on the job. Courtesy work lights and a fluorescent retractable seat belt are just a couple of the safety features we've built into the machine.

  • Maintenance is quick and easy on the Cat mini excavator. Routine check points are easy to access at ground level through the side doors. The unique tilt up canopy lets you reach additional service areas when needed.

  • Equipped with features such as auto idle, auto engine shutdown, and efficient hydraulics with a variable displacement pump, the Cat mini excavator was designed with reducing your operating costs in mind.