C4.4 Six-Speed Automatic Transmission

The Caterpillar C4.4 automatic transmission can pair with the C4.4 military diesel engine to provide a fully integrated power pack.

C44trans 10343234
Caterpillarinc 10055176

Caterpillar's C4.4 is a six-speed, wide ratio fully automatic transmission that can be mated to the Caterpillar C4.4 unregulated truck engine to create integrated power packs for light to medium trucks for a variety of defense applications. 

  • Electronic control system integrates with Engine Control Module (ECM) to allow seamless communication via J1939/500K CAN
  • Features 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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