Overview
The Komatsu HM300-5 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 325 hp, capacity of 22.1 yd3, travel speed of 36.5 mph, fuel capacity of 102.5 gal and hydraulic capacity of 27.3 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 HM300-5 against similar articulated dump truck models by power, weight, capacity, dimensions, speed, and other technical values.
Key Specifications
Net Power
317
hp
Gross Power
332.60
hp
Rated Payload
56,000.06
lb
Overall Length
33.72
ft
Full Specifications
40 specs
Dimensions
Capacity - Heaped
22.37 yd³ / 17.10 m³
Capacity - Struck
17.53 yd³ / 13.40 m³
Dump Ground Clearance
2 ft / 0.61 m
Dump Height
21.13 ft / 6.44 m
Ground Clearance
1.89 ft / 0.58 m
Overall Height
11.88 ft / 3.62 m
Overall Length
33.72 ft / 10.28 m
Overall Width
9.52 ft / 2.90 m
Rated Payload
56,000 lb / 25,401 kg
Wheelbase
13.46 ft / 4.10 m
Engine
Bore
5 in / 127 mm
Center Axle - Empty
23 lb / 10 kg
Center Axle - Loaded
36 lb / 16 kg
Def Tank Capacity
18.90 gal / 71.5 L
Displacement
674 cu in / 11.0 L
Engine Model
SAA6D125E-7
Engine Oil Capacity
9.30 gal / 35.2 L
Front Axle - Empty
59 lb / 27 kg
Front Axle - Loaded
31 lb / 14 kg
Fuel Capacity
102.50 gal / 388.0 L
Gross Power
333 hp / 248.0 kW
Hydraulic System Fluid Capacity
27.30 gal / 103.3 L
Max Speed
36.50 mph / 58.7 km/h
Max Torque
1 lb-ft / 2 Nm
Net Power
325 hp / 242.1 kW
Number of Cylinders
6
Number of Forward Gears
6
Number of Reverse Gears
6
Power Measured @
2,000 rpm
Rear Axle - Empty
19 lb / 8 kg
Rear Axle - Loaded
33 lb / 15 kg
Relief Valve Pressure
4,264 psi / 294.0 bar
Stroke
6 in / 152 mm
Total Empty
56 lb / 25 kg
Total Loaded
118 lb / 53 kg
Transmission Fluid Capacity
25.90 gal / 98.0 L
Hydraulics
Capacity - Heaped
22.10 yd³ / 16.90 m³
Hoist Cylinder
1
Hoist Time
10.50
Net Power
317 hp / 236.4 kW
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Frequently Asked Questions
How powerful is the Komatsu HM300-5 engine? +
The Komatsu HM300-5 produces 333 hp (248.0 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 HM300-5 compare to similar Articulated Dump Truck models? +
You can compare the Komatsu HM300-5 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.