Komatsu America’s new HD785-8 rigid frame off-highway haul truck, with a Tier 4 Komatsu SAA12V140E-7 engine, has the highest in class net horsepower, 1,140 HP (849 kW) in North America. With a payload capacity of 101.6 U.S. (short) / 92.2 metric tons, it’s built for mining, quarry, and aggregates.