Engine ModelCat C18
Gross Power - SAE J1995:2014511hp
Net Power - SAE J1349:2011496hp
Net Power - ISO 14396504hp
Bore5.7in
Stroke7.2in
Displacement1106in³
Note (1)The power ratings apply at rated speed of 1,700 rpm when tested under the conditions for the specified standard.
Note (2)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 (3)Net power when the fan is at maximum speed is 348 kW (467 hp) per the SAE reference conditions.
Note (4)DEF used in Cat SCR systems must meet the requirements outlined in the International Organization for Standardization (ISO) standard 22241-1. ISO 22241-1 requirements are met by many brands of DEF, including those that carry the AdBlue or API certificatio
EmissionsThe 745 meets Tier 4 Final and Stage V emission standards.
No Engine De-rating Required Below10000ft
Peak Engine Torque Gross (SAE J1995)1931ft·lbf
Peak Engine Torque Net (SAE J1349)1887ft·lbf
Peak Engine Torque Speed1200r/min
Rated Payload45.2t
Heaped (SAE 2:1)33.4yd³
Struck26yd³
Tailgate Heaped SAE 2:135.7yd³
Tailgate Struck25.5yd³
Forward - 13.8mile/h
Forward - 25mile/h
Forward - 37mile/h
Forward - 48.8mile/h
Forward - 511.6mile/h
Forward - 614.2mile/h
Forward - 719.6mile/h
Forward - 823.5mile/h
Forward - 934mile/h
Reverse - 14mile/h
Reverse - 29.1mile/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 76 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 - Empty42285lb
Center Axle - Empty15653lb
Rear Axle - Empty15653lb
Total - Empty72995lb
Front Axle - Rated Load12963lb
Center Axle - Rated Load38713lb
Rear Axle - Rated Load38713lb
Total - Rated Load90389lb
Front Axle - Loaded55248lb
Center Axle - Loaded54366lb
Rear Axle - Loaded53771lb
Total - Loaded163385lb
TypeHigh Strength Brinell HB450 Wear Resistant Steel
Front0.28in
Chute0.55in
Side0.43in
Base0.55in
Raise (manual)12s
Raise (automatic)13s
Lower (manual)10s
Lower (automatic)10s
Fuel Tank145.3gal (US)
DEF Tank5.3gal (US)
Cooling System23.7gal (US)
Brake Cooling Tank17.69gal (US)
Steering/Hoist Hydraulic System36.9gal (US)
Engine Crankcase13.7gal (US)
Transmission - OTG19.8gal (US)
Final Drive - Each1.3gal (US)
Axles - Each15.8gal (US)
BrakesISO 3450 – 2011
Cab - FOPSISO 3449 Level II – 2005
Cab - ROPSISO 3471 – 2008
SteeringISO 5010 – 2019
Turning Dimensions - Steer Angle - Left/Right45 deg
Turning Dimensions - SAE Turning Radius340in
Turning Dimensions - Clearance Radius356in
Turning Dimensions - Inside Radius174in
Turning Dimensions - Aisle Width233in
NoteDimensions are for machines equipped with 29.5R25 tires.
Lock to Lock4.8 seconds @ 60 rpm
Hydraulic Excavator: 390 - Passes4
Hydraulic Excavator: 374 - Passes5
Wheel Loader: 982 - Passes4
Wheel Loader: 980 - Passes4-5
Wheel Loader: 972 - Passes4-5
NoteAn optimum system match gives you a major productivity advantage. Having matched loading and hauling tools results in increased production and lower system costs per unit of volume moved.