C6.6 Wide Ratio Fully Automatic Transmission

Caterpillar introduces its six-speed C6.6 automatic transmission which can pair with the C6.6 military diesel engine.

C66trans 10343231
Caterpillarinc 10055176

Caterpillar introduces its C6.6 six-speed, wide ratio fully automatic transmission that can be mated to the Caterpillar C6.6 unregulated truck engine to create integrated power packs for light to medium trucks for a variety of defense applications. 

  • Electronic control system is integrated with Engine Control Module (ECM) and allows seamless communication via J1939/500K CAN
  • Allows full diagnostic and programming with Caterpillar Electronic Technician (Cat ET)
  • Light weight yet capable of high torque transfer (520-860 lb-ft)
  • Accepts direct mounted two-speed transfer case for all-wheel drive applications, and the larger unit has side PTO capability
  • Provides good fuel consumption and shift quality 
  • Features maximum gross input power of 400 hp
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