HM400-3 articulated dump truck is powered by a 469 horsepower, Tier 4-Interim Komatsu SAA6D140E-6 engine. Maximum GVW is 162,569 pounds, and the truck can haul up to 44.1 tons, or 40 metric tons, at its maximum ground speed of 34.7 mph. Compared to the HM400-2, body capacity and payload have been increased. The articulated hauler's 10 foot 5 inch-loading height matches 40-to-60-ton excavators or wheel loaders in the range of 5.5 to 7.5 cubic yards.