Cat’s First Electric Drive Wheel Loader

By Mike Osenga31 August 2017

Caterpillar has introduced the 988K XE, its first electric drive wheel loader.  The 988K XE drive system features switched reluctance (SR) technology drive motor, generator and inverter.  Power starts with a C18 ACERT diesel engine rated 588 hp (439 kW), driving mechanical dropbox, driveline and axles.

The SR drive motor, generator and inverter are built to last through the second engine life with minimum maintenance, Cat said.  Additionally, the electric drive design increases engine life by up to 3500 hours, extending time between powertrain rebuilds.

To assist with electric drive rebuilds, remanufactured drive motors, generators and inverters will also be available to reduce rebuild cost.

The 988K XE loader offers a range of bucket capacities from 6.2-17 cu. yd (4.7-13 m3). Rated standard and high lift payload for the loader reaches 12.5 tons (11.3 tonnes) when working with face material and 16 tons (14.5 tonnes) with loose material.

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