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Komatsu America offers two rigid dump trucks: the HD465-7 and HD605-7. Designed for rock and quarry sites, both trucks increase productivity while lowering fuel consumption, provide a safer and more comfortable operator environment and offer improved durability and reliability. The HD465-7 and HD605-7 both feature a powerful SAA6D170E-5 turbocharged, air-to-air after-cooled diesel engine that provides a maximum net output of 715 HP. The trucks meet EPA Tier 3 and EU stage 3A emission regulations and their high performance engines are enhanced with an advanced cooling system and improved fuel pre-filters. Komatsu’s new rigid dump trucks feature environmentally friendly lead-free aluminum core radiators.