Allison Transmissions CRT332-1 CRT3331-1 Parts Manual



This manual covers parts information for Allison Torqmatic Transmission Series 3321-1 and 3331-1.  The manual is available in a convenient downloadable PDF file.

  • CRT 3321-1
  • CRT 3331-1
  • This manual contains 149 pages
  • Instant PDF Download
  • File size 4.2MB
  • Searchable, printable
  • Compatible with Windows/Mac/Tablet


  • Flange
  • Torque Converter Drive
  • Torque Converter Housing
  • Oil Cooler, Implement Pump Drive and Wet or Dry Converter Housing
  • Input Driven Charging Oil Pump
  • Forward and Reverse Planetaries and clutches
  • Transmission Housing
  • Main Shaft
  • Intermediate, High, and Low Range Planetaries and Clutch
  • Transfer Gear Housing
  • Transfer Gear
  • Control Valve Body
  • Pressure Regulator Valve
  • Index 1, 2
  • Supplemental Parts Information
  • Clutch Oil Pressure Gage
  • Miscellaneous Options
  • Rear Output Disconnect Clutch
  • Governor Drive
  • Governor and Speedometer Drive
  • Parking Brake
  • Front Output Shaft and Disconnect Clutch
  • Pressure Regulator Valve
  • Index 3-10


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