Categories ↠ Off-Highway Trucks ↠ Komatsu HM300-5

Komatsu HM300-5 Off-Highway Truck

Category: Off-Highway Trucks ➔
Manufacturer: Komatsu ➔
Model: HM300-5 ➔

The Komatsu HM300-5 is a robust off-highway truck designed for heavy-duty mining and construction applications. Featuring a payload capacity of approximately 28 metric tons, the HM300-5 offers reliable performance in challenging terrain. Equipped with a powerful Komatsu diesel engine, this model delivers efficient fuel consumption and strong torque for hauling large loads. Its advanced hydraulic system and durable frame ensure stability and longevity under demanding conditions. The HM300-5 includes operator-focused cab ergonomics and safety features to enhance productivity. Widely used in quarrying, mining, and earthmoving, the Komatsu HM300-5 off-highway truck combines durability, efficiency, and operational reliability.

See all Komatsu HM300-5s for sale

General Specifications

Articulated/Rigid	Articulated Starting 2024 Model Year
Drive Configuration	6WD Starting 2019 Model Year
Drive System Mech/Electr.	Mech Starting 2025 Model Year
Engine Type	Komatsu SAA6D125E-7 Starting 2019 Model Year
Mfg. Model	HM300-5 Starting 2019 Model Year
Off-Highway Trucks	Off-Highway Trucks Starting 2025 Model Year
Operating Weight lbs (kg)	117,892 (53,475) Starting 2019 Model Year
Rated Payload Tons (Metric Tons)	30.9+E6 (28) Starting 2021 Model Year

Articulating/Rigid

Articulated

Dimensions

Dump Ground Clearance	2 ft (1 m)
Dump Height	21 ft (6 m)
Ground Clearance	2 ft (1 m)
Overall Height	12 ft (4 m)
Overall Length	34 ft (10 m)
Overall Width	10 ft (3 m)
Wheelbase	14 ft (4 m)

DRIVE SYSTEM

Drive Config

6WD

Dump

Capacity - Heaped	22 cu yd (17 cu m)
Capacity - Struck	18 cu yd (13 cu m)
Rated Payload	56,000 lbs (25,401 kg)

Engine

Bore	5 in (13 cm)
Displacement	674 cu in (11,042 cu cm)
Engine Model	SAA6D125E-7
Gross Power	333 hp (248 kw)
Make	Komatsu
Max Torque	1 lbs ft (2 nm)
Net Power	325 hp (242 kw)
Number of Cylinders	6
Power Measured @	2000 rpm
Stroke	6 in (15 cm)

Operating Specifications

Engine Oil Capacity	9 gal (35 l)
Fuel Capacity	103 gal (388 l)
Hydraulic System Fluid Capacity	27 gal (103 l)
Tire Size	23.5 R25
Transmission Fluid Capacity	26 gal (98 l)

Transmission

Max Speed	37 mph (59 kph)
Number of Forward Gears	6
Number of Reverse Gears	6
Transmission Type	Full-automatic Counter-shaft type

Weights

Center Axle - empty	23 lbs (10 kg)
Center Axle - loaded	36 lbs (16 kg)
Front Axle - loaded	31 lbs (14 kg)
Operating Weight	117,881 lbs (53,470 kg)
Rear Axle - empty	19 lbs (8 kg)
Rear Axle - loaded	33 lbs (15 kg)
Total Empty	56 lbs (25 kg)
Total Loaded	118 lbs (53 kg)

Komatsu HM300-5s currently for sale

A 2022 Komatsu HM300-5 From Peters & Keatts Equipment Inc. for $395,000.00 USD

A 2022 Komatsu HM300-5 From Peters & Keatts Equipment Inc. for $375,000.00 USD

A 2015 Komatsu HM300-5 From Anderson Equipment Company for Call for Price

A 2022 Komatsu HM300-5 From Anderson Equipment Company for $505,300.00 USD

A 2018 Komatsu HM300-5 From Kirby-Smith Machinery, Inc. for $425,000.00 USD

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