Construction Equipment Guide
470 Maryland Drive
Fort Washington, PA 19034
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Komatsu HM300-5 is a rigid-frame off-highway haul truck designed for mining, quarry, and large earthmoving applications. It is part of Komatsu's HM series and is used to transport high volumes of material over rough terrain and haul roads. The HM300-5 typically features a diesel engine, automatic transmission, articulated steering, and a payload capacity suited to medium-duty hauling operations. Common specifications include all-wheel drive, hydraulic retarder, and a reinforced dump body for durability. The model is used in construction, aggregate, and site development work where reliable material transport and cycle efficiency are required.