- Category: Off-Highway Trucks ➔
- Manufacturer: Komatsu ➔
- Model: HM400-3 ➔
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.
Articulating/Rigid
| Articulating/Rigid | Articulated
|
Dimensions
| Dump Ground Clearance | 28.90 ft (8.81 m)
|
| Ground Clearance | 2.40 ft (0.73 m)
|
| Overall Height | 12.30 ft (3.75 m)
|
| Overall Length | 36.50 ft (11.13 m)
|
| Overall Width | 11.40 ft (3.47 m)
|
| Wheelbase | 9.80 ft (2.99 m)
|
DRIVE SYSTEM
Dump
| Capacity - Heaped | 24.00 cu yd (18.35 cu m)
|
| Capacity - Struck | 18.20 cu yd (13.91 cu m)
|
| Rated Payload | 40.00 t (40,000.00 kg)
|
Electrical System
| Alternator | 24V 75 Ah.
|
| Starter motor | 24V 11.0 kW.
|
Engine
| Aspiration | Turbo-charged after-cooled cooled EGR
|
| Bore | 5.60 in (14.22 cm)
|
| Displacement | 15.30 cu in (250.72 cu cm)
|
| Engine Model | Komatsu SAA6D140E-5
|
| Gross Power | 453.00 hp (337.81 kw)
|
| Make | Komatsu
|
| Net Power | 448.00 hp (334.08 kw)
|
| Number of Cylinders | 6
|
| Power Measured @ | 2000 rpm
|
| Stroke | 6.50 in (16.51 cm)
|
Operating Specifications
| Fuel Capacity | 518.00 gal (1,960.63 l)
|
| Tire Size | 29.5R25
|
Transmission
| Max Speed | 58.50 mph (94.15 kph)
|
| Number of Forward Gears | 6
|
| Number of Reverse Gears | 2
|
| Transmission Type | Auto
|
Weights
| Center Axle - empty | 23.10 lbs (10.48 kg)
|
| Center Axle - loaded | 35.40 lbs (16.06 kg)
|
| Front Axle - loaded | 29.40 lbs (13.34 kg)
|
| Gross Weight | 163,417.70 lbs (74,125.11 kg)
|
| Operating Weight | 162,569.00 lbs (73,740.15 kg)
|
| Rear Axle - empty | 20.00 lbs (9.07 kg)
|
| Rear Axle - loaded | 35.20 lbs (15.97 kg)
|
| Total Empty | 43.00 lbs (19.50 kg)
|
| Total Loaded | 71.00 lbs (32.21 kg)
|