Overview
The Komatsu HM400-2 is a articulated dump truck listed in the Heavy Equipment Hub equipment database with structured specifications for comparison, research, and machine selection. Key specification points include engine power of 438 hp, capacity of 30.3 yd3, travel speed of 36.4 mph, fuel capacity of 130.8 gal and hydraulic capacity of 47.6 gal. This model can be reviewed for equipment comparison, jobsite planning, fleet research, and specification-based machine selection. Use the full specifications table to compare the Komatsu HM400-2 against similar articulated dump truck models by power, weight, capacity, dimensions, speed, and other technical values.
Key Specifications
Net Power
438
hp
Gross Power
453
hp
Rated Payload
80,634.07
lb
Overall Length
37.08
ft
Full Specifications
34 specs
Dimensions
Capacity - Heaped
29.20 yd³ / 22.33 m³
Capacity - Struck
21.60 yd³ / 16.51 m³
Dump Angle
70 deg
Dump Ground Clearance
2.33 ft / 0.71 m
Dump Height
23.42 ft / 7.14 m
Ground Clearance
2 ft / 0.61 m
Overall Height
12.17 ft / 3.71 m
Overall Length
37.08 ft / 11.30 m
Overall Width
11.33 ft / 3.45 m
Rated Payload
80,634 lb / 36,575 kg
Wheelbase
17.50 ft / 5.33 m
Engine
Capacity - Heaped
30.30 yd³ / 23.17 m³
Center Axle - Empty
16,316 lb / 7,401 kg
Center Axle - Loaded
54,335 lb / 24,646 kg
Displacement
928 cu in / 15.2 L
Engine Make
2238
Engine Model
SAA6D140E-5
Engine Oil Capacity
13.20 gal / 50.0 L
Front Axle - Empty
39,430 lb / 17,885 kg
Front Axle - Loaded
44,138 lb / 20,021 kg
Fuel Capacity
130.80 gal / 495.1 L
Gross Power
453 hp / 337.8 kW
Hydraulic System Fluid Capacity
47.60 gal / 180.2 L
Max Speed
36.40 mph / 58.6 km/h
Net Power
438 hp / 326.6 kW
Number of Cylinders
6
Number of Forward Gears
6
Number of Reverse Gears
2
Power Measured @
2,100 rpm
Rear Axle - Empty
15,815 lb / 7,174 kg
Rear Axle - Loaded
53,727 lb / 24,370 kg
Total Empty
71,560 lb / 32,459 kg
Total Loaded
152,200 lb / 69,037 kg
Hydraulics
Raise Time
12 sec
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Frequently Asked Questions
How powerful is the Komatsu HM400-2 engine? +
The Komatsu HM400-2 produces 453 hp (337.8 kW) of engine power. This output is typical for its weight class and designed to handle demanding Articulated Dump Truck work cycles efficiently.
How does the Komatsu HM400-2 compare to similar Articulated Dump Truck models? +
You can compare the Komatsu HM400-2 side by side with any other model using the Heavy Equipment Hub compare tool. Key comparison points include engine power, operating weight, digging depth, hydraulic flow, and overall dimensions.