Komatsu America Corp.

HM300 Tier 4 Final Articulated Truck

Komatsu's HM300 Tier 4 Final articulated dump truck carries a 30.9-ton payload with a gross vehicle weight of 117,900 lb. The 325-hp Komatsu SAA6D125E-7 engine is certified to EPA Tier 4 Final with selective catalytic reduction (SCR) and diesel exhaust fluid, a Komatsu variable geometry turbocharger and exhaust gas recirculation.

  • Komatsu Traction Control responds to tire slippage (detected with wheel-speed sensors) by automatically applying inter-axle differential lock, then selectively applying four independent brakes to slipping wheels if slippage continues
  • Komatsu Advanced Transmission with Optimum Modulation Control offers a six-speed, fully automatic transmission that eliminate shift shock and torque cutoff to improve productivity and efficiency
  • Economy and Power modes allow the operator to tailor machine performance to working conditions
  • Komatsu Care provides complimentary scheduled maintenance on all Komatsu Tier 4 machines for three years or 2,000 hours and two complimentary DPF exchanges in the first five years

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