Caterpillar - Cat

D7E Electric Drive Tractor

The D7E track-type tractor utilizes a 235-hp Cat C9 engine to drive a generator that produces electricity to power two AC electric drive motors, which are connected to a differential steering system.

  • Variable-speed electric motors serve the function of a continuously variable transmission
  • 60% fewer moving parts in the drivetrain
  • Delivers 25% more material moved per gal. of fuel, 10% greater productivity and 10% lower lifetime operating costs over the D7R Series II
  • Center post cab provides more all-around visibility and wider sight lines to the blade
  • Single larger blade lift cylinder provides the same power and stability with less than half the parts

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