Komatsu HM300-1 Off-Highway Truck Specs

Category: Off-Highway Trucks ➔
Manufacturer: Komatsu ➔
Model: HM300-1 ➔

The Komatsu HM300-1 is an off-highway articulated dump truck designed for hauling material in mining, quarry, and large earthmoving applications. It is part of Komatsu's HM series and is commonly used for site development, road construction, and bulk material transport on rough terrain. The HM300-1 features a high-capacity dump body, all-wheel drive, and articulated steering for maneuverability on uneven ground. It is powered by a diesel engine and built for durability, traction, and load-carrying performance in demanding conditions. The model is widely referenced in heavy equipment fleets, rental inventories, and construction equipment databases.

Dimensions

Komatsu HM300-1 Off-Highway Truck Dimensions specifications
Dump Ground Clearance	1.99 ft (0.61 m)
Dump Height	21.15 ft (6.45 m)
Ground Clearance	1.68 ft (0.51 m)
Height	11.50 ft (3.51 m)
Length	33.08 ft (10.08 m)
Overall Height	11.49 ft (3.50 m)
Overall Length	33.13 ft (10.10 m)
Weight	49,600.00 lbs (22,498.21 kg)
Wheelbase	16.26 ft (4.96 m)
Width	9.50 ft (2.90 m)

Dump

Komatsu HM300-1 Off-Highway Truck Dump specifications
Capacity - Heaped	21.72 cu yd
Capacity - Struck	16.88 cu yd
Dump Angle	70 degrees
Raise Time	12 sec
Rated Payload	60,186.21 lbs (27,300.04 kg)

Engine

Komatsu HM300-1 Off-Highway Truck Engine specifications
Aspiration	Turbocharged
Displacement	673.80 cu in (11,041.63 cu cm)
Engine Make	2238
Engine Model	SAA6D125E-3
Gross Power	335.30 hp (250.04 kw)
Max Torque	1,180.10 lbs ft (1,599.98 nm)
Net Power	324.60 hp (242.06 kw)
Number Of Cylinders	6

Operational

Komatsu HM300-1 Off-Highway Truck Operational specifications
Engine Oil Capacity	9.30 gal (35.20 l)
Fuel Capacity	101.00 gal (382.29 l)
Hydraulic System Fluid Capacity	31.80 gal (120.36 l)
Tire Size	23.5R25
Transmission Fluid Capacity	20.50 gal (77.59 l)

Transmission

Komatsu HM300-1 Off-Highway Truck Transmission specifications
Max Speed	36.70 mph (59.06 kph)
Number Of Forward Gears	6
Number Of Reverse Gears	2
Transmission Type	full-automatic

Weights

Komatsu HM300-1 Off-Highway Truck Weights specifications
Center Axle - Empty	11012.1 %
Center Axle - Loaded	39254.2 %
Front Axle - Empty	28,175.10 lbs (12,780.03 kg)
Front Axle - Loaded	32766.8 %
Rear Axle - Empty	10,416.90 lbs (4,725.03 kg)
Rear Axle - Loaded	37,934.70 lbs (17,206.91 kg)
Total Empty	49,604.10 lbs (22,500.07 kg)
Total Loaded	109,955.60 lbs (49,875.08 kg)

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