Komatsu HM400-3 is an articulated off-highway truck designed for hauling material in mining, quarry, and large earthmoving applications. It is part of Komatsu's HM series and is commonly used for site development, road construction, and bulk material transport on rough terrain. The HM400-3 features a payload capacity suited to medium-duty haul cycles, all-wheel drive, and articulated steering for maneuverability on uneven ground. It is typically powered by a Komatsu diesel engine and built with a rigid dump body, suspension system, and operator cab designed for productivity, stability, and durability in demanding off-road conditions.
Dry type with double elements and precleaner, plus dust indicator *Net horsepower at the maximum speed of radiator cooling fan is 307 kW 411 HP. EPA Tier 3 and EU Stage 3A emissions certified
Aspiration
Turbo-charged, after-cooled, cooled EGR
Bore
5.60 in (14.22 cm)
Displacement
930.10 cu in (15,241.64 cu cm)
Engine Make
0
Engine Model
Komatsu SAA6D140E-5
Engine Type
Water-cooled, 4-cycle
Fan Drive Type
Hydraulic
Fuel System
Direct injection
Governor
Electronically controlled
Gross Power
453.00 hp (337.81 kw)
Lubrication
Method- Gear pump, force-lubrication Filter-Full-flow type
Maximum Torque
Gross 2089 N•m 213 kg•m
Net Power
334.00 hp (249.07 kw)
Number Of Cylinders
6
Power Measured @
2000 rpm
Stroke
6.50 in (16.51 cm)
Hydraulic System
Komatsu HM400-3 Off-Highway Truck Hydraulic System specifications
Hoist Cylinder
Twin, telescopic type
Hoist Time
12 sec
Relief Pressure
28.4 MPa 290 kg/cm2 Hoist time
Main Frame
Komatsu HM400-3 Off-Highway Truck Main Frame specifications
Main Frame Type
Articulated type, box-sectioned construction on front and rear Connected by strong torque tubes.
