Overview
The Komatsu HM300-2 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 329 hp and travel speed of 36.4 mph. 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 HM300-2 against similar articulated dump truck models by power, weight, capacity, dimensions, speed, and other technical values.
Key Specifications
Net Power
329
hp
Gross Power
340
hp
Overall Length
34.26
ft
Overall Width
9.52
ft
Full Specifications
43 specs
Dimensions
Capacity Struck
16.90
Fuel Tank - Diesel
101.50 gal / 384.2 L
Ground Clearance
1.68 ft / 0.51 m
Heaped (2:1, Sae)
21.70
Material Thickness-Bottom
0.60
Material Thickness-Front
0.40
Material Thickness-Sides
0.50
Overall Height
11.55 ft / 3.52 m
Overall Length
34.26 ft / 10.44 m
Overall Width
9.52 ft / 2.90 m
Turning Radius – Outside Minimum
26.09 ft / 7.95 m
Tyre Gauge
7.49
Engine
Air Cleaner
3
Bore
5 in / 127 mm
Center Axle - Empty
24 lb / 11 kg
Center Axle - Loaded
36 lb / 16 kg
Differential
3.15
Displacement
674 cu in / 11.0 L
Empty Weight
53,000 lb / 24,040 kg
Engine Make
—
Engine Model
Komatsu SAA6D125E-5
Engine Type
Water-cooled, 4-cycle
Final Drive
6.3
Front Axle - Empty
56 lb / 25 kg
Front Axle - Loaded
30 lb / 14 kg
Gross Power
340 hp / 253.5 kW
Net Power
329 hp / 245.3 kW
Number of Cylinders
6
Power Measured @
2,000 rpm
Rear Axle - Empty
21 lb / 9 kg
Rear Axle - Loaded
34 lb / 16 kg
Stroke
6 in / 152 mm
Travel Speed
36.40 mph / 58.6 km/h
Hydraulics
Compliance
3,471
Differentials
16.80
Engine Oil
9.80 gal / 37.1 L
Gross Weight
113,360 lb / 51,419 kg
Hoist Cylinder
2
Hoist Time
12
Planetary
4.67
Speed Range
6
Suspension
2.70
Torque Converter, Transmission And Retarder Cooling
21 lb-ft / 28 Nm
Related Machines
Frequently Asked Questions
How powerful is the Komatsu HM300-2 engine? +
The Komatsu HM300-2 produces 340 hp (253.5 kW) of engine power. This output is typical for its weight class and designed to handle demanding Articulated Dump Truck work cycles efficiently.
What is the travel speed of the Komatsu HM300-2? +
The Komatsu HM300-2 has a maximum travel speed of 36.4 mph (58.6 km/h), enabling efficient movement between work areas on the job site.
How does the Komatsu HM300-2 compare to similar Articulated Dump Truck models? +
You can compare the Komatsu HM300-2 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.