Caterpillar 745 Off-Highway Truck Specs

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

The Caterpillar 745 is an articulated off-highway truck designed for hauling material in construction, quarry, and earthmoving applications. It is part of Caterpillar's 700 series and is commonly used for site development, road building, and large-scale material transport on rough terrain. The 745 features a rear dump body, all-wheel drive, and articulated steering for operation on uneven ground. It is typically powered by a Caterpillar diesel engine and paired with an automatic transmission for efficient load movement. The model is known for its hauling capacity, traction, and suitability for demanding off-road conditions in heavy equipment fleets.

General Specifications

Caterpillar 745 Off-Highway Truck General Specifications specifications
Articulated/Rigid	Articulated - Starting 2024
Drive Configuration	6WD - Starting 2019
Engine Type	Cat C18 - Starting 2024
Mfg. Model	745 - Starting 2019
Operating Weight	73,553.00 lbs (33,363.12 kg) - Starting 2019
Planetary Powershift Transmission	Powershift w/ lockup torque converter - Starting 2019
Rated Payload	45.00 t (45,000.00 kg) - Starting 2019

Air Conditioning System

Caterpillar 745 Off-Highway Truck Air Conditioning System specifications
Air Conditioning	The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf. See the label or instruction manual for identification of the gas. • If equipped with R134a (Global Warming Potential = 1430), the system contains 1.2 kg (2.4 lb) of refrigerant which has a CO2 equivalent of 1.716 metric tonnes (1.891 tons). - Starting 2026

Body Capacities

Caterpillar 745 Off-Highway Truck Body Capacities specifications
Heaped (SAE 2:1)	33.4 cu yd - Starting 2026
Struck	26 cu yd - Starting 2026
Tailgate Heaped SAE 2:1	35.7 cu yd - Starting 2026
Tailgate Struck	27.3 cu yd - Starting 2026

Body Hoist

Caterpillar 745 Off-Highway Truck Body Hoist specifications
Lower (automatic)	10 s - Starting 2026
Lower (manual)	10 s - Starting 2026
Raise (automatic)	13 s - Starting 2026
Raise (manual)	12 s - Starting 2026

Body Plate

Caterpillar 745 Off-Highway Truck Body Plate specifications
Base	0.55 in (1.40 cm) - Starting 2026
Chute	0.55 in (1.40 cm) - Starting 2026
Front	0.28 in (0.71 cm) - Starting 2026
Side	0.43 in (1.09 cm) - Starting 2026
Type	High Strength Brinell HB450 Wear Resistant Steel - Starting 2026

Dimensions

Caterpillar 745 Off-Highway Truck Dimensions specifications
Height	12.42 ft (3.78 m)
Length	37.92 ft (11.56 m)
Weight	73,553.00 lbs (33,363.12 kg)
Width	11.08 ft (3.38 m)

Engine

Caterpillar 745 Off-Highway Truck Engine specifications
Bore	5.70 in (14.48 cm) - Starting 2026
Displacement	1,106.00 cu in (18,124.13 cu cm) - Starting 2026
Engine Model	Cat® C18 - Starting 2026
Engine Power (ISO 14396)	504.00 hp (375.84 kw) - Starting 2026
Gross Power (SAE J1995)	511.00 hp (381.06 kw) - Starting 2026
Net Power (SAE J1349)	496.00 hp (369.87 kw) - Starting 2026
No Engine De-rating Required Below	10,000.00 ft (3,048.00 m) - Starting 2026
Peak Engine Torque Gross (SAE J1995)	1931 ft·lbf - Starting 2026
Peak Engine Torque Net (SAE J1349)	1,887.00 lbs ft (2,558.39 nm) - Starting 2026
Peak Engine Torque Speed	1200 r/min - Starting 2026
Stroke	7.20 in (18.29 cm) - Starting 2026

Operating Weights

Caterpillar 745 Off-Highway Truck Operating Weights specifications
Center Axle - Empty	15,653.00 lbs (7,100.09 kg) - Starting 2026
Center Axle - Loaded	54,366.00 lbs (24,660.03 kg) - Starting 2026
Center Axle - Rated Load	38,713.00 lbs (17,559.94 kg) - Starting 2026
Front Axle - Empty	42,285.00 lbs (19,180.18 kg) - Starting 2026
Front Axle - Loaded	55,248.00 lbs (25,060.10 kg) - Starting 2026
Front Axle - Rated Load	12,963.00 lbs (5,879.93 kg) - Starting 2026
Rear Axle - Empty	15,058.00 lbs (6,830.20 kg) - Starting 2026
Rear Axle - Loaded	53,771.00 lbs (24,390.15 kg) - Starting 2026
Rear Axle - Rated Load	38,713.00 lbs (17,559.94 kg) - Starting 2026
Total - Empty	72,995.00 lbs (33,110.02 kg) - Starting 2026
Total - Loaded	163,385.00 lbs (74,110.28 kg) - Starting 2026
Total - Rated Load	90,389.00 lbs (40,999.81 kg) - Starting 2026

Optimal Loader/Truck Pass Matching

Caterpillar 745 Off-Highway Truck Optimal Loader/Truck Pass Matching specifications
Hydraulic Excavator: 374 - Passes	5 - Starting 2026
Hydraulic Excavator: 390 - Passes	4 - Starting 2026
Wheel Loader: 972 - Passes	4-5 - Starting 2026
Wheel Loader: 980 - Passes	4-5 - Starting 2026
Wheel Loader: 982 - Passes	4 - Starting 2026

Service Refill Capacities

Caterpillar 745 Off-Highway Truck Service Refill Capacities specifications
Axles - Each	15.80 gal (59.80 l) - Starting 2026
Brake Cooling Tank	17.70 gal (66.99 l) - Starting 2026
Cooling System	23.70 gal (89.70 l) - Starting 2026
DEF Tank	5.30 gal (20.06 l) - Starting 2026
Engine Crankcase	13.70 gal (51.85 l) - Starting 2026
Final Drive - Each	1.30 gal (4.92 l) - Starting 2026
Fuel Tank	145.30 gal (549.96 l) - Starting 2026
Steering/Hoist Hydraulic System	36.90 gal (139.67 l) - Starting 2026
Transmission - OTG	19.80 gal (74.94 l) - Starting 2026

Sound Levels

Caterpillar 745 Off-Highway Truck Sound Levels specifications
Interior Cab	72 dB(A) - Starting 2026

Standards

Caterpillar 745 Off-Highway Truck Standards specifications
Brakes	ISO 3450 – 2011 - Starting 2026
Cab - FOPS	ISO 3449 Level II – 2005 - Starting 2026
Cab - ROPS	ISO 3471 – 2008 - Starting 2026
Steering	ISO 5010 – 2019 - Starting 2026

Steering

Caterpillar 745 Off-Highway Truck Steering specifications
Lock to Lock	4.8 seconds @ 60 rpm - Starting 2026

Transmission

Caterpillar 745 Off-Highway Truck Transmission specifications
Forward - 1	3.80 mph (6.12 kph) - Starting 2026
Forward - 2	5.00 mph (8.05 kph) - Starting 2026
Forward - 3	7.00 mph (11.27 kph) - Starting 2026
Forward - 4	8.80 mph (14.16 kph) - Starting 2026
Forward - 5	11.60 mph (18.67 kph) - Starting 2026
Forward - 6	14.20 mph (22.85 kph) - Starting 2026
Forward - 7	19.60 mph (31.54 kph) - Starting 2026
Forward - 8	23.50 mph (37.82 kph) - Starting 2026
Forward - 9	34.00 mph (54.72 kph) - Starting 2026
Reverse - 1	4.00 mph (6.44 kph) - Starting 2026
Reverse - 2	9.10 mph (14.64 kph) - Starting 2026

Turning Circle

Caterpillar 745 Off-Highway Truck Turning Circle specifications
Turning Dimensions - Aisle Width	233.00 in (591.82 cm) - Starting 2026
Turning Dimensions - Clearance Radius	356.00 in (904.24 cm) - Starting 2026
Turning Dimensions - Inside Radius	174.00 in (441.96 cm) - Starting 2026
Turning Dimensions - SAE Turning Radius	340.00 in (863.60 cm) - Starting 2026
Turning Dimensions - Steer Angle - Left/Right	45 deg - Starting 2026

Weights

Caterpillar 745 Off-Highway Truck Weights specifications
Rated Payload	45.20 t (45,200.00 kg) - Starting 2026