Equipment Type

Komatsu D61-23 Crawler Dozer Lowers Costs

Komatsu D61-23 crawler dozer has a Komatsu Tier 4-Interim SAA6D107E-2 engine that provides the same horsepower as its predecessor while lowering fuel consumption by up to 10 percent.

September 05, 2012

Komatsu D61-23 crawler dozer has a Komatsu Tier 4-Interim SAA6D107E-2 engine that provides the same horsepower as its predecessor while lowering fuel consumption by up to 10 percent. Net horsepower is 168 at 2,200 rpm, and operating weights range from 39,099 pounds to 41,138 pounds, depending on configuration. Komatsu’s Tier 4 Interim engine platform uses an advanced electronic control system to manage airflow rate, fuel injection, combustion parameters, and after treatment functions. The Komatsu Diesel Particulate Filter (KDPF) has an integrated design that will not interfere with daily operation but will keep the operator aware of its status. It removes soot using “passive regeneration” the majority of the time to minimize “active regeneration” events. Komtrax fleet monitoring system is standard. Redesigned dozer has a steeply sloped engine hood and forward cab for more operator space, while moving them closer to the blade. Newly designed blade has standard adjustable pitch and a new hydraulic blade angle toggle. New proprietary engine and hydrostatic transmission pump control technology improve efficiency and reduce fuel consumption, the company says: 10 percent in P mode and 20 percent in E mode. Komatsu CARE complimentary scheduled maintenance is standard on all D61-23 crawler dozers for the earlier of 3 years or 2000 hours.

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