Caterpillar 785

Name: Caterpillar 785
Brand: Caterpillar

Configuration: Cat 785 mining truck, Cat 3512E engine, 162 US ton nominal payload (36.00R51 tires), 6-speed mechanical drive

19 sourced values · Sources: Caterpillar product specifications, Cat 785 Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25

Check trailer fit Download CSV

Dimension diagram

A	Overall length	≈ 11,957 mm
B	Overall height	≈ 6,035 mm
C	Wheelbase	≈ 5,182 mm
D	Ground clearance	Not captured
E	Overall width	≈ 7,535 mm
F	Track gauge / tread	Not captured

Weights

Spec	Value	Source
Max gross (laden) weight	≈ 255,826 kg	Published: 564,000 lb Caterpillar product specifications, Cat 785 Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25 Rated Gross Machine Weight (36.00R51 tires); 550,000 lb with 33.00R51 tires.
Empty (chassis + body) weight	Not published	Caterpillar product specifications, Cat 785 Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25 Cat publishes chassis and body weights separately, not an empty vehicle weight: chassis 187,736 lb (33.00R51) / 192,959 lb (36.00R51), body 57,779 lb.

Dimensions

Spec	Value	Source
Overall length	≈ 11,957 mm	Published: 39.23 ft Caterpillar product specifications, Cat 785 Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25 MSD II body, 33R51 tires, unloaded.
Overall width	≈ 7,535 mm	Published: 24.72 ft Caterpillar product specifications, Cat 785 Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25 Operating Width.
Overall height	≈ 6,035 mm	Published: 19.8 ft Caterpillar product specifications, Cat 785 Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25 Front Canopy Height (Height - Top of ROPS 17.09 ft).
Overall height, body raised	≈ 12,034 mm	Published: 39.48 ft Caterpillar product specifications, Cat 785 Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25
Loading height (empty)	≈ 5,300 mm	Published: 17.39 ft Caterpillar product specifications, Cat 785 Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25
Wheelbase	≈ 5,182 mm	Published: 17 ft Caterpillar product specifications, Cat 785 Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25
Turning radius	Not published	Caterpillar product specifications, Cat 785 Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25 Cat publishes turning diameters only (no radius).
Turning / clearance circle diameter	≈ 29,444 mm	Published: 96.6 ft Caterpillar product specifications, Cat 785 Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25 Turning Diameter - ISO 7457:1997 (33.00R51 tires).

Undercarriage / tires

Spec	Value	Source
Tire size	33.00R51 or 36.00R51	Published: 33.00R51 or 36.00R51 Caterpillar product specifications, Cat 785 Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25 Both listed as optional tires.

Engine

Spec	Value	Source
Drive system	Mechanical drive: planetary power shift transmission (6 forward speeds per transmission table)	Published: Mechanical drive: planetary power shift transmission (6 forward speeds per transmission table) Caterpillar product specifications, Cat 785 Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25
Engine model	Cat 3512E	Published: Cat 3512E Caterpillar product specifications, Cat 785 Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25
Gross power	≈ 1,193 kW	Published: 1,600 hp Caterpillar product specifications, Cat 785 Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25 SAE J1995 (1193 kW).
Net power	≈ 1,125 kW	Published: 1,509 hp Caterpillar product specifications, Cat 785 Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25 SAE J1349.
Displacement	≈ 58.6 L	Published: 3,573 in³ Caterpillar product specifications, Cat 785 Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25
Rated speed	Not published	Caterpillar product specifications, Cat 785 Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25 Not published in the cited OEM document.
Fuel tank capacity	≈ 1,552 L	Published: 410 gal Caterpillar product specifications, Cat 785 Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25

Performance

Spec	Value	Source
Rated payload	≈ 146,964 kg	Published: 162 US ton Caterpillar product specifications, Cat 785 Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25 Nominal Rated Payload (36.00R51 tires); 158 ton (US) with 33.00R51 tires.
Body capacity (heaped)	≈ 110 m³	Published: 144 yd³ Caterpillar product specifications, Cat 785 Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25 Heaped (SAE 2:1), HP body, printed '110 m3 / 144 yd3'.
Body capacity (struck)	≈ 84.1 m³	Published: 110 yd³ Caterpillar product specifications, Cat 785 Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25 Printed '84 m3 / 110 yd3'.
Max travel speed	≈ 57.3 km/h	Published: 35.6 mph Caterpillar product specifications, Cat 785 Mining Trucks (Cat h-cpc spec data, US English edition). Retrieved 2026-10-25 Top Speed - Loaded.

Similar models

Brand	Model	Max gross (laden) weight
Hitachi	EH3500AC-3	322,000 kg
Komatsu	730E-10	≈ 338,075 kg
Caterpillar	789	≈ 324,319 kg
Hitachi	EH4000AC-3	384,000 kg
Komatsu	HD785-8	≈ 166,000 kg
Komatsu	830E-5	≈ 411,136 kg

Compare side by side with Hitachi EH3500AC-3 and Komatsu 730E-10