- Overall Length: 28.55 ft / 8700 mm
- Overall Width: 14.85 ft / 4525 mm
- Overall Height: 13.85 ft / 4220 mm
- Wheelbase: 12.31 ft / 3750 mm
Published dimensions and weight
Komatsu HD405-6
Rated at 488 hp, the Komatsu HD405-6 is a rock truck.
01Published dimensions and weight
Dimensions reference
Representative category illustration; exact model may differ.Measurement reference — not to scale

01Dimensions referenceLength × width × height
02WeightNot publishedNot published
03Selected published values35
Rigid rock trucks are commonly used to haul rock and bulk material on mines, quarries and large earthmoving sites. Published rows for Komatsu HD405-6 include published payload of 90000 lb / 40823.32 kg, published engine power of 508 hp / 378.9 kw, published maximum speed of 43.5 mph / 70 km/h. These values describe the published configuration; verify the specific machine's configuration, attachments and records.
- Compare the published “Overall Length” field (28.55 ft / 8700 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Overall Width” field (14.85 ft / 4525 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Overall Height” field (13.85 ft / 4220 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 Length28.55 ft8700 mm
Overall Width14.85 ft4525 mm
Overall Height13.85 ft4220 mm
Wheelbase12.31 ft3750 mm
Dump Height25.87 ft7885 mm
Dump Ground Clearance2.07 ft630 mm
Dump
Dump Angle48 degrees48 degrees
Load Capacity - Struck26.16 yd320 m3
Load Capacity - Heaped35.71 yd327.3 m3
Rated Payload90000 lb40823.32 kg
Raise Time10 sec10 sec
Engine
Number Of Cylinders66
Engine Make22382238
Engine ModelSAA6D140E-3SAA6D140E-3
Gross Power508 hp378.9 kw
Net Power488 hp364 kw
Power Measured @2000 rpm2000 rpm
Aspirationturbochargedturbocharged
Displacement929.4 cu in15.3 L
Operational
Fuel Capacity132.1 gal500 L
Cooling System Fluid Capacity23.6 gal89 L
Engine Oil Capacity13.8 gal52 L
Diff And Final Drive Fluid Capacity15.4 gal58 L
Hydraulic System Fluid Capacity34.1 gal129 L
Tire Size18.00R3318.00R33
Transmission
Transmission TypeFull-automatic, planetary typeFull-automatic, planetary type
Number Of Gears - Forward77
Number Of Gears - Reverse11
Max Speed43.5 mph70 km/h
Weights
Empty Weight75133.6 lb34080 kg
Loaded Weight163483.8 lb74155 kg
Weight Distribution Front - Empty48 %48 %
Weight Distribution Rear - Empty52 %52 %
Weight Distribution Front - Loaded32 %32 %
Weight Distribution Rear - Loaded68 %68 %
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Manufacturer-published specifications.