Engine ModelCat C4.4
Net Power - ISO 9249145hp
Net Power - ISO 9249 (DIN)147hp (metric)
Engine Power - Maximum - ISO 14396148hp
Engine Power - ISO 14396 (DIN)150hp (metric)
Bore4.1in
Stroke5in
Displacement268.5in³
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 2,000 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 Weight54000lb
Minimum Operating Weight46750lb
Maximum Reach30.4ft
BoomMH Boom 5.35 (17'7")
StickStraight 4.3 m (14'1")
Maximum Height35.3ft
Minimum Dump Height10.8ft
Maximum Reach at Ground Line28.5ft
Maximum Depth4.8ft
Boom Pin Height23.3ft
Maximum Gradeability65
Maximum Travel Speed (with steering wheel)12.4mile/h
Maximum Travel Speed (with joysticks)9.3mile/h
Drawbar Pull28551lb/ft
Maximum Flow - Implement/Travel Circuit81gal/min
Maximum Pressure - Implements5366psi
Maximum Pressure - Travel5076psi
Maximum Pressure - Swing5294psi
Fuel Tank Capacity92.5gal (US)
Diesel Exhaust Fluid Tank7.9gal (US)
Cooling System9.5gal (US)
Engine Oil3.4gal (US)
Hydraulic Tank40.9gal (US)
Hydraulic System - Including Tank91.1gal (US)
Rear Axle - Housing (Differential)3.7gal (US)
Front Steering Axle - Differential2.8gal (US)
Final Drive - Each0.7gal (US)
Powershift Transmission0.7gal (US)
Swing Speed8.2r/min
Maximum Swing Torque39553lb/ft
BoomMH Boom 5.35 (17'7")
StickStraight 4.3 m (14'1")
Shipping Height (with OPG, without stick)3350mm
Shipping Length27.3ft
Shipping Length (with push blade)28.3ft
Machine Length16.3ft
Machine Length (with push blade)17.8ft
Tail Swing Radius8.5ft
Counterweight Clearance4.3ft
Cab Height- Lowered11ft
Cab Height-Lowered with OPG11ft
Cab Height-Raised18.8ft
Cab Height-Raised with OPG18.8ft
Wheel Base8.5ft
Shipping Width8.3ft
Ground Clearance1ft
Undercarriage Length16.1ft
Undercarriage Length (with push blade)17.6ft
Upper Frame Width (including handrails)8.3ft
Maximum Travel Speed (with joysticks)9.3mile/h