625-hp Cat

Published April, 28 2004

Caterpillar released the biggest horsepower rating for an on-highway tractor with its introduction of the 625-hp “King of the Hill” C15 model.

The engine, which also comes in a 600-hp rating, is equipped with the company’s ACERT Technology to meet federal emissions standards.

The engine features 2,050 pounds-feet of torque at 1,200 rpm and constant torque at 1,700 rpm. The new C15 is designed for heavy haulers and owner-operators. Maximum horsepower is achieved at 1,800 rpm, with 595 hp at 2,100 rpm. The rating features a 38 percent torque rise.

While the engine is based on the 550-hp C15 design, it has higher flow series turbochargers, a unique camshaft and a more powerful electronic control module. It is available with two different engine retarders.

The company also announced additional ratings for its C13:

  • 470 hp at 1,550 pounds-feet.
  • 470 hp at 1,650 pounds-feet.
  • 470 hp at 1,550 pounds-feet /1,750 pounds-feet.
  • 500 hp at 1,650 pounds-feet.


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