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 transport on rough terrain where traction, stability, and payload capacity are required. The 745 features a rear dump body, all-wheel drive, and articulated steering for maneuverability on uneven ground. It is typically powered by a diesel engine and built for high-volume material movement in demanding jobsite conditions. The Caterpillar 745 is used in mining, infrastructure, and large-scale civil construction operations.

General Specifications

Caterpillar 745 Off-Highway Truck General Specifications specifications
Articulated/Rigid	Articulated — Starting 2024 Model Year
Drive Configuration	6WD — Starting 2019 Model Year
Engine Type	Cat C18 — Starting 2024 Model Year
Mfg. Model	745 — Starting 2019 Model Year
Operating Weight lbs (kg)	73,553 (33,363) — Starting 2019 Model Year
Planetary Powershift Transmission	Powershift w/ lockup torque converter — Starting 2019 Model Year
Rated Payload Tons (Metric Tons)	45 (41) — Starting 2019 Model Year

BODY CAPACITIES

Caterpillar 745 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 745 Off-Highway Truck BODY HOIST specifications
Lower (automatic)	10 s
Lower (manual)	10 s
Raise (automatic)	13 s
Raise (manual)	12 s

BODY PLATE

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

ENGINE

Caterpillar 745 Off-Highway Truck ENGINE specifications
Bore	5.70 in (14.48 cm)
Displacement	1,106.00 cu in (18,124.13 cu cm)
Emissions	Meets Tier 4 Final and Stage V standards
Engine Model	Cat C18
Engine Model - Regulations	Cat® C18 (U.S. EPA Tier 4 Final EU Stage V etc.)
Gross Power - SAE J1995	511.00 hp (381.06 kw)
Net Power - ISO 14396	504.00 hp (375.84 kw)
Net Power - SAE J1349	496.00 hp (369.87 kw)
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 r/min
Stroke	7.20 in (18.29 cm)

NOTES ON ENGINE

Caterpillar 745 Off-Highway Truck NOTES ON ENGINE specifications
Note (1)	Power ratings at 1700 rpm
Note (2)	Power at the flywheel with minimum equipment
Note (3)	Net power with fan at max is 348 kW (467 hp)
Note (4)	DEF must meet ISO 22241-1 standard

OPERATING WEIGHTS

Caterpillar 745 Off-Highway Truck OPERATING WEIGHTS specifications
Center Axle - Empty	15,309.00 lbs (6,944.05 kg)
Center Axle - Loaded	54,000.00 lbs (24,494.02 kg)
Center Axle - Rated Load	38,691.00 lbs (17,549.96 kg)
Front Axle - Empty	43,515.00 lbs (19,738.10 kg)
Front Axle - Loaded	56,522.00 lbs (25,637.98 kg)
Front Axle - Rated Load	13,007.00 lbs (5,899.88 kg)
Rear Axle - Empty	14,731.00 lbs (6,681.88 kg)
Rear Axle - Loaded	53,422.00 lbs (24,231.84 kg)
Rear Axle - Rated Load	38,691.00 lbs (17,549.96 kg)
Total - Empty	73,553.00 lbs (33,363.12 kg)
Total - Loaded	163,942.00 lbs (74,362.93 kg)
Total - Rated Load	90,390.00 lbs (41,000.27 kg)

SERVICE REFILL CAPACITIES

Caterpillar 745 Off-Highway Truck SERVICE REFILL CAPACITIES specifications
Axles - Each	15.80 gal (59.80 l)
Brake Cooling Tank	17.69 gal (66.96 l)
Cooling System	23.70 gal (89.70 l)
DEF Tank	5.30 gal (20.06 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 745 Off-Highway Truck SOUND LEVELS specifications
Interior Cab	72 dB(A)
Note (1)	Operator sound exposure Leq is 76 dB(A)
Note (2)	Hearing protection may be needed in certain settings

STANDARDS

Caterpillar 745 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

Caterpillar 745 Off-Highway Truck STEERING specifications
Lock to Lock	4.8 seconds @ 60 rpm

TRANSMISSION

Caterpillar 745 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)
Reverse - 1	4.00 mph (6.44 kph)
Reverse - 2	9.10 mph (14.64 kph)

TURNING CIRCLE

Caterpillar 745 Off-Highway Truck TURNING CIRCLE specifications
Note	Dimensions are for machines equipped with 29.5R25 tires.
Turning Dimensions - Aisle Width	233.00 in (591.82 cm)
Turning Dimensions - Clearance Radius	359.00 in (911.86 cm)
Turning Dimensions - Inside Radius	174.00 in (441.96 cm)
Turning Dimensions - SAE Turning Radius	340.00 in (863.60 cm)
Turning Dimensions - Steer Angle - Left/Right	45°

WEIGHTS

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

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