Caterpillar 745C Off-Highway Truck Specs

Category: Off-Highway Trucks ➔
Manufacturer: Caterpillar ➔
Model: 745C ➔

The Caterpillar 745C is a rigid-frame off-highway truck designed for hauling large volumes of material in mining, quarry, and heavy construction applications. It is part of Caterpillar's articulated truck lineup and is used for earthmoving, site development, and material transport on rough terrain. The 745C typically features all-wheel drive, a high-capacity dump body, and a diesel engine matched to heavy-duty transmission and braking systems. Its design supports traction, stability, and productivity in demanding haul cycles. The Caterpillar 745C is commonly selected for operations requiring reliable off-road material transport and efficient loading and dumping performance.

Body Capacities

Caterpillar 745C Off-Highway Truck Body Capacities specifications
Heaped (SAE 2:1)	32.70 cu yd (25.00 cu m)
Struck	24.20 cu yd (18.50 cu m)
Tailgate Heaped SAE 2:1	34.70 cu yd (26.53 cu m)
Tailgate Struck	25.50 cu yd (19.50 cu m)

Body Hoist

Caterpillar 745C Off-Highway Truck Body Hoist specifications
Lower Time	8 seconds
Raise Time	12 seconds

Body Plate

Caterpillar 745C Off-Highway Truck Body Plate specifications
Body Plate Type	High strength Brinell HB450 wear resistant steel

Dump

Caterpillar 745C Off-Highway Truck Dump specifications
Capacity - Heaped	32.70 cu yd (25.00 cu m)
Capacity - Struck	24.20 cu yd (18.50 cu m)
Lower Time	8 seconds
Raise Time	12 seconds

Engine

Caterpillar 745C Off-Highway Truck Engine specifications
Bore	5.70 in (14.48 cm)
Displacement	1,106.00 cu in (18,124.13 cu cm)
Engine Model	Cat C18 ACERT
Engine Model - U.S. EPA Tier 4 Final/EU Stage IV/Japan 2014 (Tier 4 Final)/Korea Tier 4 Final	Cat C18 ACERT
Gross Power	511.00 hp (381.06 kw)
Gross Power - SAE J1995	511.00 hp (381.06 kw)
Net Power	496.00 hp (369.87 kw)
Net Power - ISO 14396	504.00 hp (375.84 kw)
Net Power - SAE J1349	496.00 hp (369.87 kw)
No Engine De-rating Required Below	10,000.00 ft (3,048.00 m)
Peak Engine Torque Gross (SAE J1995)	1,931.00 lbs ft (2,618.05 nm)
Peak Engine Torque Net (SAE J1349)	1,887.00 lbs ft (2,558.39 nm)
Peak Engine Torque Speed	1200 rpm
Stroke	7.20 in (18.29 cm)
Torque Measured @	1200 rpm

Operating Specifications

Caterpillar 745C Off-Highway Truck Operating Specifications specifications
Cooling System Fluid Capacity	23.70 gal (89.70 l)
Fuel Capacity	145.30 gal (549.96 l)
Hydraulic System Fluid Capacity	36.90 gal (139.67 l)
Transmission Fluid Capacity	19.80 gal (74.94 l)

Operating Weights

Caterpillar 745C Off-Highway Truck Operating Weights specifications
Center Axle - Empty	15,300.00 lbs (6,939.97 kg)
Center Axle - Loaded	53,991.00 lbs (24,489.94 kg)
Center Axle - Rated Load	38,691.00 lbs (17,549.96 kg)
Front Axle - Empty	43,585.00 lbs (19,769.85 kg)
Front Axle - Loaded	56,593.00 lbs (25,670.18 kg)
Front Axle - Rated Load	13,007.00 lbs (5,899.88 kg)
Rear Axle - Empty	14,749.00 lbs (6,690.04 kg)
Rear Axle - Loaded	53,440.00 lbs (24,240.01 kg)
Rear Axle - Rated Load	38,691.00 lbs (17,549.96 kg)
Total - Empty	73,634.00 lbs (33,399.86 kg)
Total - Loaded	164,024.00 lbs (74,400.13 kg)
Total - Rated Load	90,389.00 lbs (40,999.81 kg)

Service Refill Capacities

Caterpillar 745C Off-Highway Truck Service Refill Capacities specifications
Axles - Each	15.80 gal (59.80 l)
Brake Cooling Tank	17.70 gal (66.99 l)
Cooling System	23.70 gal (89.70 l)
DEF Tank	6.60 gal (24.98 l)
Engine Crankcase	13.70 gal (51.85 l)
Final Drive - Each	1.30 gal (4.92 l)
Fuel Tank	145.30 gal (549.96 l)
Steering/Hoist Hydraulic System	36.90 gal (139.67 l)
Transmission - OTG	19.80 gal (74.94 l)

Sound Levels

Caterpillar 745C Off-Highway Truck Sound Levels specifications
Interior Cab	79 dB(A)

Standards

Caterpillar 745C Off-Highway Truck Standards specifications
Brakes	ISO 3450 2011
Cab - FOPS	ISO 3449 Level II 2005
Cab - ROPS	ISO 3471 2008
Steering	ISO 5010 2007

Steering System

Caterpillar 745C Off-Highway Truck Steering System specifications
Lock to Lock	4.8 seconds @ 60 rpm

Transmission

Caterpillar 745C Off-Highway Truck Transmission specifications
Forward - 1	3.80 mph (6.12 kph)
Forward - 2	5.00 mph (8.05 kph)
Forward - 3	7.00 mph (11.27 kph)
Forward - 4	8.80 mph (14.16 kph)
Forward - 5	11.60 mph (18.67 kph)
Forward - 6	14.20 mph (22.85 kph)
Forward - 7	19.60 mph (31.54 kph)
Forward - 8	23.50 mph (37.82 kph)
Forward - 9	34.00 mph (54.72 kph)
Number of Forward Gears	9
Number of Reverse Gears	2
Reverse - 1	4.00 mph (6.44 kph)
Reverse - 2	9.10 mph (14.64 kph)

Turning Circle

Caterpillar 745C Off-Highway Truck Turning Circle specifications
Turning Dimensions - Aisle Width	235.00 in (596.90 cm)
Turning Dimensions - Clearance Radius	358.00 in (909.32 cm)
Turning Dimensions - Inside Radius	174.00 in (441.96 cm)
Turning Dimensions - SAE Turning Radius	340.00 in (863.60 cm)

Weights

Caterpillar 745C Off-Highway Truck Weights specifications
Center Axle - empty	15,300.00 lbs (6,939.97 kg)
Center Axle - loaded	53,991.00 lbs (24,489.94 kg)
Front Axle - empty	43,585.00 lbs (19,769.85 kg)
Front Axle - loaded	56,593.00 lbs (25,670.18 kg)
Rear Axle - empty	14,749.00 lbs (6,690.04 kg)
Rear Axle - loaded	53,440.00 lbs (24,240.01 kg)
Total Empty	73,634.00 lbs (33,399.86 kg)
Total Loaded	90,389.00 lbs (40,999.81 kg)

Wheel Base Length

Caterpillar 745C Off-Highway Truck Wheel Base Length specifications
Long Wheel Base	228.40 in (580.14 cm)
Standard Wheel Base	180.70 in (458.98 cm)

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