Caterpillar 730 Off-Highway Truck Specs

Category: Off-Highway Trucks ➔
Manufacturer: Caterpillar ➔
Model: 730 ➔

The Caterpillar 730 is a rigid-frame off-highway truck used in construction, quarry, mining, and earthmoving applications. It is designed for hauling large volumes of material over rough terrain and is commonly paired with excavators, wheel loaders, and dozers. The 730 features a high-capacity dump body, articulated steering, and all-wheel drive for improved traction and maneuverability on uneven ground. Caterpillar has produced multiple 730 series variants over time, with updates to engine performance, operator comfort, payload capacity, and emissions compliance. The model is widely recognized for material transport in demanding site conditions and heavy-duty fleet operations.

General Specifications

Caterpillar 730 Off-Highway Truck General Specifications specifications
Articulated/Rigid	Articulated — Starting 2024 Model Year
Drive Configuration	6WD — Starting 2019 Model Year
Engine Type	Cat C13 — Starting 2024 Model Year
Mfg. Model	730 — Starting 2019 Model Year
Operating Weight	52,690.00 lbs (23,899.81 kg) — Starting 2019 Model Year
Planetary Powershift Transmission	Powershift w/ lockup torque converter — Starting 2019 Model Year
Rated Payload	31.00 t (31,000.00 kg) — Starting 2019 Model Year

Articulating/Rigid

Caterpillar 730 Off-Highway Truck Articulating/Rigid specifications
Articulating/Rigid	Articulated

Body Capacities

Caterpillar 730 Off-Highway Truck Body Capacities specifications
Heaped (SAE 2:1)	23.00 cu yd (17.58 cu m)
Struck	17.40 cu yd (13.30 cu m)
Tailgate Heaped SAE 2:1	24.60 cu yd (18.81 cu m)
Tailgate Struck	18.20 cu yd (13.91 cu m)

Body Hoist

Caterpillar 730 Off-Highway Truck Body Hoist specifications
Lower Time	8 seconds
Raise Time	12 seconds

Body Plate

Caterpillar 730 Off-Highway Truck Body Plate specifications
Body Plate Type	High strength Brinell HB450 wear resistant steel

Body Plate Thickness

Caterpillar 730 Off-Highway Truck Body Plate Thickness specifications
Base	0.60 in (1.52 cm)
Front	0.40 in (1.02 cm)
Scow	0.60 in (1.52 cm)
Side	0.50 in (1.27 cm)

Dimensions

Caterpillar 730 Off-Highway Truck Dimensions specifications
Dump Ground Clearance	1.90 ft (0.58 m)
Dump Height	21.40 ft (6.52 m)
Ground Clearance	1.70 ft (0.52 m)
Overall Height	11.30 ft (3.44 m)
Overall Length	32.60 ft (9.94 m)
Overall Width	9.50 ft (2.90 m)
Wheelbase	15.40 ft (4.69 m)

DRIVE SYSTEM

Caterpillar 730 Off-Highway Truck DRIVE SYSTEM specifications
Drive Config	6x6

Dump

Caterpillar 730 Off-Highway Truck Dump specifications
Capacity - Heaped	22.20 cu yd (16.97 cu m)
Capacity - Struck	17.20 cu yd (13.15 cu m)
Lower Time	12 seconds
Raise Time	12 seconds
Rated Payload	61,949.90 lbs (28,100.04 kg)

Engine

Caterpillar 730 Off-Highway Truck Engine specifications
Aspiration	Turbochaarged
Bore	5.10 in (12.95 cm)
Displacement	762.80 cu in (12,500.08 cu cm)
Engine Model	Cat C13 ACERT
Engine Model - U.S. EPA Tier 4 Final/EU Stage IV	Cat C13 ACERT
Gross Power	329.00 hp (245.34 kw)
Gross Power - SAE J1995	375.00 hp (279.64 kw)
Make	Cat
Net Power	325.00 hp (242.36 kw)
Net Power - EEC 80/1269	321.00 hp (239.37 kw)
Net Power - ISO 14396	370.00 hp (275.91 kw)
Net Power - ISO 9249	321.00 hp (239.37 kw)
Net Power - SAE J1349	367.00 hp (273.68 kw)
Number of Cylinders	6
Peak Engine Torque Gross (SAE J1995)	1,579.00 lbs ft (2,140.81 nm)
Peak Engine Torque Net (SAE J1349)	1,564.00 lbs ft (2,120.47 nm)
Peak Engine Torque Speed	1200 rpm
Stroke	6.20 in (15.75 cm)

Operating Specifications

Caterpillar 730 Off-Highway Truck Operating Specifications specifications
Cooling System Fluid Capacity	22.50 gal (85.16 l)
Engine Oil Capacity	9.80 gal (37.09 l)
Fuel Capacity	95.20 gal (360.33 l)
Hydraulic System Fluid Capacity	27.00 gal (102.20 l)
Tire Size	23.5R25
Transmission Fluid Capacity	9.60 gal (36.34 l)

Operating Weights

Caterpillar 730 Off-Highway Truck Operating Weights specifications
Center Axle - Empty	10,053.00 lbs (4,559.97 kg)
Center Axle - Loaded	37,302.00 lbs (16,919.92 kg)
Center Axle - Rated Load	27,249.00 lbs (12,359.95 kg)
Front Axle - Empty	33,069.00 lbs (14,999.86 kg)
Front Axle - Loaded	40,300.00 lbs (18,279.80 kg)
Front Axle - Rated Load	7,231.00 lbs (3,279.93 kg)
Rear Axle - Empty	9,568.00 lbs (4,339.98 kg)
Rear Axle - Loaded	36,817.00 lbs (16,699.93 kg)
Rear Axle - Rated Load	27,249.00 lbs (12,359.95 kg)
Total - Empty	52,690.00 lbs (23,899.81 kg)
Total - Loaded	114,420.00 lbs (51,900.10 kg)
Total - Rated Load	61,729.00 lbs (27,999.84 kg)

Service Refill Capacities

Caterpillar 730 Off-Highway Truck Service Refill Capacities specifications
Cooling System	21.90 gal (82.89 l)
DEF Tank	5.30 gal (20.06 l)
Engine Crankcase	10.00 gal (37.85 l)
Final Drives/Differential	33.00 gal (124.91 l)
Fuel Tank	108.80 gal (411.81 l)
Hydraulic System	29.10 gal (110.14 l)
Output Transfer Gear Box	6.30 gal (23.85 l)
Transmission	12.40 gal (46.93 l)

Sound Levels

Caterpillar 730 Off-Highway Truck Sound Levels specifications
Interior Cab	72 dB(A)

Standards

Caterpillar 730 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 730 Off-Highway Truck Steering System specifications
Lock to Lock	4.75 seconds @ 60 rpm

Transmission

Caterpillar 730 Off-Highway Truck Transmission specifications
Forward - 1	5.00 mph (8.05 kph)
Forward - 2	9.00 mph (14.48 kph)
Forward - 3	14.00 mph (22.53 kph)
Forward - 4	21.00 mph (33.80 kph)
Forward - 5	29.00 mph (46.67 kph)
Forward - 6	34.00 mph (54.72 kph)
Max Speed	34.40 mph (55.36 kph)
Number of Forward Gears	6
Number of Reverse Gears	1
Reverse - 1	6.00 mph (9.66 kph)

Turning Circle

Caterpillar 730 Off-Highway Truck Turning Circle specifications
Turning Dimensions - Aisle Width	210.00 in (533.40 cm)
Turning Dimensions - Clearance Radius	318.00 in (807.72 cm)
Turning Dimensions - Inside Radius	153.00 in (388.62 cm)
Turning Dimensions - SAE Turning Radius	294.00 in (746.76 cm)

Weights

Caterpillar 730 Off-Highway Truck Weights specifications
Center Axle - empty	11,023.20 lbs (5,000.05 kg)
Center Axle - loaded	39,021.90 lbs (17,700.06 kg)
Front Axle - empty	28,968.80 lbs (13,140.04 kg)
Front Axle - loaded	34,965.40 lbs (15,860.06 kg)
Operating Weight	109,600.00 lbs (49,713.79 kg)
Rear Axle - empty	10,383.80 lbs (4,710.02 kg)
Rear Axle - loaded	38,382.50 lbs (17,410.03 kg)
Total Empty	50,375.70 lbs (22,850.06 kg)
Total Loaded	112,369.70 lbs (50,970.10 kg)