Komatsu Engine Specifications

Written by sarah estlund
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Komatsu Engine Specifications
The Komatsu forklift has engine specifications including accurately measured oil flow. (forklift drawing image by timur1970 from

Komatsu manufactures more than 20 types of equipment including backhoe loaders, compact track loaders, crawler carriers, skid steer loaders, wheel loaders, trucks, presses and forklifts, to name just a few. Distributed internationally, the Komatsu products all have individual specifications, including the Komatsu engine, which has specifications for each model and piece of equipment. Following are some examples.

HM300-2 Truck

The HM300-2 Komatsu truck engine specs are extensive. Included are six cylinders of water-cooled, four cycle, turbocharged, after-cooled and cooled EGR. With a bore of 4.92 inches and 125mm, and a stroke of 5.91 inches and 150mm, the engine has a fan drive that is mechanical and fuel system that is direct-injection. The governor is electronically controlled and the filter is a full-flow type. With a gear pump, force-lubrication, the Komatsu engine for this truck also includes a dry-type air cleaner with double elements and precleaner. This truck model can travel at a maximum of 36.4 miles per hour.

HD405-7 Truck

With a maximum travelling speed of 43.5 miles per hour, the HD-405-7 truck model has six cylinders and a turbocharged aspiration engine. The water-cooled, four-cycle engine has a mechanical fan drive and maximum torque of 1,600 foot-pounds. The governor is electronically controlled and the air cleaner is a dry type with double elements and precleaner, as well as a dust indicator.

AE50/AM50 Forklift

Komatsu engine specifications on the AE50/AM50 forklift include a maximum travel speed of 11 miles per hour with 2.9 second acceleration and 19 per cent grade-ability. The AC hydraulic motor is efficient for providing high performance with low cost. This motor provides higher standards than DR-type motors, including high operating efficiency, longer run times and a long operating life.

Performance enhancers with this forklift model include travel speed set-up, plugging regeneration set-up, tilting speed adjustment and lifting speed adjustment. Other specifications of interest include: full-feathering of hydraulic movements, hydrostatic power steering and switchbacks, and accurately measured and controlled oil flow through the engine.

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