Engine ModelCat® C15
Gross Power - SAE J1995:2014452hp
Net Power - SAE J1349:2011439hp
Net Power - ISO 14396447hp
Bore5.4in
Stroke6.75in
Displacement926in³
Note (1)The references to Tier 4 Final/Stage V include U.S. EPA Tier 4 Final, EU Stage V, Japan 2014 (Tier 4 Final), as well as Korea Tier 4 Final emission standards.
Note (2)The power ratings apply at rated speed of 1,700 rpm when tested under the conditions for the specified standard.
Note (3)The net power advertised is the power available at the flywheel when the engine is equipped with alternator, air cleaner, muffler and fan at minimum speed.
Note (4)Net power when the fan is at maximum speed is 327 kW (439 hp) per the SAE reference conditions.
Note (5)DEF used in Cat SCR systems must meet the requirements outlined in the International Organization for Standardization (ISO) standard ISO 22241-1. Requirements are met by many brands of DEF, including those that carry the AdBlue or API certifications.
No Engine De-rating Below10000ft
Peak Engine Torque Gross (SAE J1995)1711ft·lbf
Peak Engine Torque Net (SAE J1349)1670ft·lbf
Peak Engine Torque Speed1200r/min
Rated Payload40ton (US)
Heaped (SAE 2:1)29.7yd³
Struck23.2yd³
Tailgate Heaped SAE 2:132yd³
Tailgate Struck24.4yd³
Forward - 14mile/h
Forward - 25.3mile/h
Forward - 37.3mile/h
Forward - 49.2mile/h
Forward - 512.2mile/h
Forward - 614.9mile/h
Forward - 720.6mile/h
Forward - 824.7mile/h
Forward - 935.7mile/h
Reverse - 14.2mile/h
Reverse - 29.8mile/h
Interior Cab72dB(A)
Note (1)The operator sound exposure Leq (equivalent sound pressure level) measured according to the work cycle procedures specified in ANSI/SAE J1166 OCT98 is 72 dB(A), for the cab offered by Caterpillar, when properly installed and maintained and tested with the
Note (2)Hearing protection may be needed when operating with an open operator station and cab (when not properly maintained or doors/windows open) for extended periods or in noisy environments.
Front Axle - Empty43200lb
Center Axle - Empty14804lb
Rear Axle - Empty14562lb
Total - Empty72565lb
Front Axle - Rated Load7002lb
Center Axle - Rated Load36513lb
Rear Axle - Rated Load36513lb
Total - Rated Load80027lb
Front Axle - Loaded50201lb
Center Axle - Loaded51317lb
Rear Axle - Loaded51074lb
Total - Loaded152593lb
TypeHigh strength Brinell HB450 wear resistant steel
Front Plate0.28in
Base Plate0.51in
Side Plates0.43in
Fuel Tank145.3gal (US)
Cooling System23.7gal (US)
Brake Cooling Tank17.7gal (US)
Steering/Hoist Hydraulic System36.9gal (US)
Engine Crankcase13.7gal (US)
Transmission - OTG19.8gal (US)
Final Drive - Each1.3gal (US)
Axles - Each15.8gal (US)
DEF Tank6.5gal (US)
Raise Time12s
Lower Time12s
BrakesISO 3450 – 2011
Cab - FOPSISO 3449 Level II – 2005
Cab - ROPSISO 3471 – 2008
SteeringISO 5010 – 2007
Turning Dimensions - Steer Angle - Left/Right45°
Turning Dimensions - SAE Turning Radius303in
Turning Dimensions - Clearance Radius330in
Turning Dimensions - Inside Radius156in
Turning Dimensions - Aisle Width220in
NoteDimensions are for machines equipped with 29.5 R25 tires.
Lock to Lock4.75 seconds @ 60 rpm
Hydraulic Excavator: 374 - Passes3-4
Hydraulic Excavator: 352F - Passes5–6
Wheel Loader: 972 - Passes3
Wheel Loader: 966M - Passes4–5
Wheel Loader: 962M - Passes5
NoteAn optimum system match gives you a major productivity advantage. The 740 GC is an excellent match for the Cat 374 and 352 Hydraulic Excavators; and Cat 972, 966, and 962 Wheel Loaders. Having matched loading and hauling tools results in increased product