- Overall Length: 36.18 ft / 11025 mm
- Overall Width: 11.32 ft / 3450 mm
- Overall Height: 12.14 ft / 3700 mm
- Wheelbase: 17.51 ft / 5335 mm
Published dimensions and weight
Komatsu Hm400-1
The Komatsu Hm400-1 is an articulated dump truck; its SAA6D140E-3 engine is rated at 430.5 hp.
01Published dimensions and weight
Dimensions reference
Measurement reference — not to scale

01Dimensions referenceLength × width × height
02Total Empty66513.5 lb30170 kg
03Selected published values37
Articulated dump trucks are commonly used to haul bulk material across construction, quarry and earthmoving sites. Published rows for Komatsu Hm400-1 include published body capacity of 29.17 yd3 / 22.3 m3, published engine power of 443.9 hp / 331 kw, published maximum speed of 36.5 mph / 58.6 km/h. These values describe the published configuration; verify the specific machine's configuration, attachments and records.
- Compare the published “Overall Length” field (36.18 ft / 11025 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Overall Width” field (11.32 ft / 3450 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Overall Height” field (12.14 ft / 3700 mm) with the specific machine's configuration and records; options and condition can differ.
02Specifications
Published values, clearly grouped.
Published specifications and measurements are organized by section for quick reference.
Dimensions
Overall Length36.18 ft11025 mm
Overall Width11.32 ft3450 mm
Overall Height12.14 ft3700 mm
Wheelbase17.51 ft5335 mm
Ground Clearance2.04 ft620 mm
Dump Height23.4 ft7130 mm
Dump Ground Clearance2.37 ft720 mm
Dump
Dump Angle70 degrees70 degrees
Capacity - Heaped29.17 yd322.3 m3
Raise Time12 sec12 sec
Capacity - Struck21.59 yd316.5 m3
Engine
Number Of Cylinders66
Engine Make22382238
Engine ModelSAA6D140E-3SAA6D140E-3
Gross Power443.9 hp331 kw
Net Power430.5 hp321 kw
Power Measured @2000 rpm2000 rpm
Max Torque1467.8 lb ft1990 Nm
AspirationTurbochargedTurbocharged
Displacement927.6 cu in15.2 L
Operational
Fuel Capacity130.8 gal495 L
Hydraulic System Fluid Capacity47.6 gal180 L
Engine Oil Capacity13.8 gal52 L
Transmission Fluid Capacity30.4 gal115 L
Tire Size29.5 R2529.5 R25
Transmission
Transmission Typefull-automaticfull-automatic
Number Of Forward Gears66
Number Of Reverse Gears22
Max Speed36.5 mph58.6 km/h
Weights
Center Axle - Empty14832.6 %14832.5016 %
Front Axle - Empty36848.5 lb16714.2 kg
Rear Axle - Empty14832.6 lb6728 kg
Front Axle - Loaded41789.9 %41789.8977 %
Center Axle - Loaded52678.9 %52678.8147 %
Rear Axle - Loaded52678.9 lb23894.8 kg
Total Empty66513.5 lb30170 kg
Total Loaded147147.6 lb66745 kg
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Manufacturer-published specifications.