Highway and Heavy Parts - C15

Caterpillar - C15
Caterpillar C15 Specifications

435/500 hp MT-T4, 455 hp MT-T4, 475/500 hp MT-T2, 500 hp MT-T2
Bore: 5.4 mm, Stroke 6.5mm, Displacement: 893 cubic in
Aspiration: Turbocharged for ATAAC
Rotation from flywheel end: Counterclockwise
Cooling system: 5.5 gallons
Weight, Net Dry: 2695
Dimensions: 57.2 length, 39.3 width, 49.7 height

C15 has Multi-Torque (MT) Operation
For best balance between fuel economy and performance requirements on linehaul vehicles with 80 000 lb or less use the following guidelines:
For 9, 10, or 15 speed single overdrive transmissions, gear to cruise at:
  • 1550 rpm @ 65 mph for 410 hp and below
  • 1500 rpm @ 65 mph for 435 hp and above
  • For 13 or 18 speed dual overdrive transmissions, gear to cruise at: 1450 rpm @ 65 mph
  • Maximum recommended engine speed at cruise — 1550 rpm

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