Komatsu's HM400-3 articulated dump truck is powered by a 469-hp Komatsu SAA6D140E-6 engine that is certified to meet EPA Tier 4 Interim and EU Stage 3B emissions limits but also increases power ...

Komatsu brought its 30.9-ton HM300-5 articulated dump truck into compliance with the U.S. EPA’s Tier 4 Final emissions restrictions by adding selective catalytic reduction to exhaust gas ...

See the powerful RC Komatsu dozer and the impressive Caterpillar RC dumper working in perfect harmony, showcasing the finest in RC construction equipment. Every turn, lift, and haul brings the ...