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Komatsu HM400-3 Off-Highway Truck

Komatsu HM400-3 is an articulated off-highway truck designed for hauling material in construction, quarry, and mining applications. It is part of Komatsu's HM-series and is commonly used for earthmoving, site development, and aggregate transport. The HM400-3 features a 6x6 drivetrain, articulated steering, and a rear dump body for efficient load handling on uneven terrain. It is typically powered by a Komatsu diesel engine and equipped with automatic transmission and advanced braking systems. The model is known for its payload capacity, traction, and off-road mobility in demanding haul environments.


See all Komatsu HM400-3s for sale

Articulating/Rigid

Articulating/RigidArticulated

Dimensions

Dump Ground Clearance28.90 ft (8.81 m)
Ground Clearance2.40 ft (0.73 m)
Overall Height12.30 ft (3.75 m)
Overall Length36.50 ft (11.13 m)
Overall Width11.40 ft (3.47 m)
Wheelbase9.80 ft (2.99 m)

DRIVE SYSTEM

Drive Config6WD

Dump

Capacity - Heaped24.00 cu yd (18.35 cu m)
Capacity - Struck18.20 cu yd (13.91 cu m)
Rated Payload40.00 t (40,000.00 kg)

Electrical System

Alternator24V 75 Ah.
Starter motor24V 11.0 kW.

Engine

AspirationTurbo-charged after-cooled cooled EGR
Bore5.60 in (14.22 cm)
Displacement15.30 cu in (250.72 cu cm)
Engine ModelKomatsu SAA6D140E-5
Gross Power453.00 hp (337.81 kw)
MakeKomatsu
Net Power448.00 hp (334.08 kw)
Number of Cylinders6
Power Measured @2000 rpm
Stroke6.50 in (16.51 cm)

Operating Specifications

Fuel Capacity518.00 gal (1,960.63 l)
Tire Size29.5R25

Transmission

Max Speed58.50 mph (94.15 kph)
Number of Forward Gears6
Number of Reverse Gears2
Transmission TypeAuto

Weights

Center Axle - empty23.10 lbs (10.48 kg)
Center Axle - loaded35.40 lbs (16.06 kg)
Front Axle - loaded29.40 lbs (13.34 kg)
Gross Weight163,417.70 lbs (74,125.11 kg)
Operating Weight162,569.00 lbs (73,740.15 kg)
Rear Axle - empty20.00 lbs (9.07 kg)
Rear Axle - loaded35.20 lbs (15.97 kg)
Total Empty43.00 lbs (19.50 kg)
Total Loaded71.00 lbs (32.21 kg)

  • Komatsu HM400-3s currently for sale
  • A 2014 Komatsu HM400-3 From Ritchie Bros. Auctioneers for Auction Pricing
  • A 2013 Komatsu HM400-3 From Ritchie Bros. Auctioneers for Auction Pricing
  • A 2014 Komatsu HM400-3 From Clark Heavy Equipment for $77,500.00 USD
  • A 2014 Komatsu HM400-3 From Linder Industrial Machinery Co. for $321,500.00 USD
  • A 2015 Komatsu HM400-3 From Anderson Equipment Company for Call for Price



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