Every Komatsu Tier 4 Final construction machine comes standard with Komatsu CARE complimentary factory scheduled maintenance for 2,000 hours or the first 3 years, and 2 complimentary KDPF exchanges within the first
5 years. For Tier 4 Final, all Selective Catalytic Reduction (SCR) system maintenance items are covered with Komatsu CARE.
The HM300-5 has an independently driven, electronically controlled cooling fan for both the charge-air-cooler (CAC) and the radiator. Each fan can be independently reversed through the monitor panel to clean out their respective
The cab can be tilted rearward 32 degrees to provide easy access to the transmission and hydraulic system to simplify service. An electronically powered, hydraulic pump is now standard to tilt the cabin reducing time and
effort for service.