Categories ↠ Off-Highway Trucks ↠ Komatsu HD785-5

Komatsu HD785-5 Off-Highway Truck

Category: Off-Highway Trucks ➔
Manufacturer: Komatsu ➔
Model: HD785-5 ➔

The Komatsu HD785-5 Off-Highway Truck is a powerful and reliable machine designed for heavy-duty hauling in challenging environments. With a spacious dump bed capacity of 78.7 cubic yards and a maximum payload of over 170,000 pounds, this truck is built for efficiency and productivity. Equipped with a robust 1042 horsepower engine and a 7-speed automatic transmission, the HD785-5 offers impressive performance and speed for smooth operation on the job site. Whether navigating rough terrain or loading and unloading materials with ease, this off-highway truck is a top choice for demanding construction and mining tasks.

See all Komatsu HD785-5s for sale

Dimensions

Dump Ground Clearance	3 ft (1 m)
Dump Height	34 ft (10 m)
Ground Clearance	3 ft (1 m)
Overall Height	17 ft (5 m)
Overall Length	35 ft (11 m)
Overall Width	19 ft (6 m)

Dump

Load Capacity - heaped	79 cu yd (60 cu m)
Load Capacity - Struck	51 cu yd (39 cu m)
Lower Time	13 seconds
Raise Time	12 seconds
Rated Payload	171,961 lbs (78,000 kg)

Engine

Displacement	1,861 cu in (30,496 cu cm)
Engine Model	SAA12V140ZE-2
Gross Power	1,042 hp (777 kw)
Number of Cylinders	12

Operating Specifications

Alternator Supplied Amperage	Komatsu 7-speed electronically-controlled automatic powershift transmission
Cooling System Fluid Capacity	60 gal (227 l)
Engine Oil Capacity	37 gal (140 l)
Fuel Capacity	330 gal (1,249 l)

Service Refill Capacities

Brake/Hoist Hydraulic Tank

171,961 gal (650,871 l)

Transmission

Max Speed	40 mph (65 kph)
Number of Gears - Forward	7
Number of Gears - Reverse	1
Transmission Type	Komatsu 7-speed electronically-controlled automatic powershift transmission

Weights

Empty Weight	155,403 lbs (70,490 kg)
Loaded Weight	367,000 lbs (166,469 kg)
Weight Distribution Front - empty	48%
Weight Distribution Front - loaded	33%
Weight Distribution Rear - empty	52%
Weight Distribution Rear - loaded	67%

Our Main Office

Construction Equipment Guide
470 Maryland Drive
Fort Washington, PA 19034
800-523-2200

About Us

Construction Equipment Guide covers the nation with its four regional newspapers, offering construction and industry news and information along with new and used construction equipment for sale from dealers in your area. Now we extend those services and information to the internet. Making it as easy as possible to find the news and equipment that you need and want.

Contents Copyrighted 2026, by Construction Equipment Guide, which is a Registered Trademark, registered in the U.S. Patent Office. Registration number 0957323. All rights reserved, nothing may be reprinted or reproduced (including framing) in whole or part without written permission from the publisher. All editorial material, photographs, drawings, letters, and other material will be treated as unconditionally assigned for publication and copyright purposes and are subject to Construction Equipment Guide’s unrestricted right to edit and comment editorially. Contributor articles do not necessarily reflect the policy or opinions of this publication.

Read our privacy policy here.
Mastodon