Engine ModelCat C7.1
Net Power - ISO 9249171hp
Net Power - ISO 9249 (DIN)174hp (metric)
Engine Power - Maximum - ISO 14396174hp
Engine Power - ISO 14396 (DIN)176hp (metric)
Bore4.1in
Stroke5.3in
Displacement427.8in³
Biodiesel CapabilityUp to B20¹
EmissionsMeets U.S. EPA Tier 4 Final and EU Stage V emission standards.
Note (1)Net power advertised is the power available at the flywheel when the engine is equipped with fan, air intake system, exhaust system, and alternator with engine speed at 2,200 rpm. Advertised power is tested per the specified standard in effect at the time
Note (2)¹Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels** up to: 20% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO
Maximum Operating Weight64370lb
Minimum Operating Weight58200lb
Maximum Reach42.7ft
BoomMH Boom 7.5 m (24'7")
StickDrop Nose 6.0 m (19'8")
Maximum Height46.9ft
Minimum Dump Height12.5ft
Maximum Reach at Ground Line42.2ft
Maximum Depth9.8ft
Boom Pin Height30.5ft
Maximum Gradeability (23 500 kg/51,810 lb)52
Maximum Travel Speed (with steering wheel)12.4mile/h
Maximum Travel Speed (with joysticks)9.3mile/h
Drawbar Pull28551lb/ft
Maximum Pressure - Implements5366psi
Maximum Pressure - Travel5076psi
Maximum Pressure - Swing5656psi
Fuel Tank Capacity109.9gal (US)
Engine Oil5.3gal (US)
Hydraulic Tank55.2gal (US)
Hydraulic System - Including Tank91.1gal (US)
Rear Axle - Housing (Differential)3.7gal (US)
Front Steering Axle - Differential2.9gal (US)
Powershift Transmission0.7gal (US)
Diesel Exhaust Fluid Tank7.9gal (US)
Cooling System10.6gal (US)
Final Drive - Each0.7gal (US)
Maximum Swing Torque51800ft·lbf
BoomMH Boom 7.5 m (24'7")
StickDrop Nose 6.0 m (19'8")
Shipping Height (with OPG, without stick)11.1ft
Shipping Length35.1ft
Shipping Length (with push blade)36.8ft
Machine Length17.9ft
Machine Length (with push blade)20.1ft
Tail Swing Radius9.2ft
Counterweight Clearance4.3ft
Cab Height- Lowered11ft
Cab Height-Lowered with OPG11.1ft
Cab Height-Raised18.9ft
Cab Height-Raised with OPG18.9ft
Wheel Base9ft
Shipping Width9.9ft
Ground Clearance1.1ft
Undercarriage Length17.4ft
Undercarriage Length (with push blade)19.6ft
Upper Frame Width (including handrails)9ft