Eaton Fuller Transmission Torque Recommendations

The following Eaton fuller transmission torque recommendations are designed to guide you in determining the proper specifications for optimal performance and reliability. Ensuring the proper torque specifications for your Eaton Fuller transmission is essential for achieving optimal performance, reliability, and longevity. 

To support your efforts, Valley Truck has compiled a comprehensive Eaton Fuller Transmission Torque Recommendation Guide. This guide is designed to be your go-to resource, offering detailed specifications and best practices.

  • SLAVE VALVE CAPSCREWS
    8-12 Lbs.-Ft., 1/4-20 Threads
    Use Lockwashers

  • FRONT BEARING COVER CAPSCREWS 
    35-45 Lbs.-Ft., 3/8-16 Threads

  • STUDS
    60 Lbs.-Ft., 3/8-16 Minimum
    Driven Until Bottomed, 5/8-11 Threads

  • CLUTCH HOUSING NUTS
    5/8-18 Threads
    • Aluminum Housing:
      140-150 Lbs.-Ft (Oiled)
      With Nylon Locking Insert
      Use Plain Flat Washer
    • Cast Iron Housing:
      180-200 Lbs.-Ft Standard Nut
      Use Lockwasher
  • YOKE LOCKSCREWS
    Start By Hand Until Cone Engages
    35-45 Lbs.-Ft., 7/16-20 Threads
    Secure with Lock Wire

  • SHIFT LEVER HOUSING CAPSCREWS
    35-45 Lbs.-Ft., 3/8-16 Threads

  • SHIFT BAR HOUSING CAPSCREWS
    35-45 Lbs.-Ft., 3/8-16 Threads

  • RANGE SHIFT YOKE CAPSCREWS
    50-65 Lbs.-Ft., 1/2-20 Threads
    Secure with Lock Wire

  • RANGE CYLINDER SHIFT BAR NUT
    70-85 Lbs.-Ft., 5/8-18 Threads with Nylon Locking Patch
    (610)6610 Model, 60-75 Lbs.-Ft. 
    1/2-13 Threads, Use Lockwasher)
Eaton Fuller Torque Reccomendations
  • C’SHAFT FRONT BEARING
    RETAINER CAPSCREWS
    20-25 Lbs.-Ft., 3/8-24 or
    25-35 Lbs.-Ft., 1/2-20
    Threads, Secure with Lock Wire
    90-120 Lbs.-Ft., 5/8-18 Threads

  • CLUTCH HOUSING CAPSCREWS
    1/2-13 Threads
    • Aluminum Housing:
      70-80 Lbs.-Ft., Use Shakeproof Internal
      Lockwasher.
    • Cast Iron Housing:
      80-100 Lbs. Ft. Use Lockwasher
  • DRIVE GEAR NUT
    250-300 Lbs.-Ft., 2-1/8-16 L.H. Threads
    Clean Threads with Solvasol or Equivalent Stake 2 Places
  • OUTPUT SHAFT NUT
    450-500 Lbs.-Ft., (Oiled at Vehicle Installation). 2-16 Threads with Nylon Locking Insert.  (oiled at vehicle installation)

  • AUXILIARY HOUSING CAPSCREWS
    35-45 Lbs.-Ft., 3/8-6 Threads
    Use Lockwashers

  • REDUCTION/SPLITTER YOKE LOCKSCREW
    35-45 Lbs.-Ft., 7/16-20 Threads
    Secure with Lock Wire

  • OIL DRAIN PLUG
    45-55 Lbs.-Ft., 3/4 Pipe Threads

  • AUX. DRIVE GEAR BEARING RETAINER CAPSCREWS
    35-45 Lbs.-Ft., 3/8-16 Threads
    Secure with Lock Wire

  • REVERSE IDLER SHAFT NUTS
    50-60 Lbs.-Ft., (Oiled)
    5/8-18 Threads with Nylon Locking Insert
  • SUPPORT STUD NUTS
    170-185 Lbs.-Ft., (Oiled at Vehicle Installation). 5/8-18 Threads,
    Use Lockwashers

  • SUPPORT STUD
    60 Lbs.-Ft., Minimum
    Drive Until Bottomed
    5/8-11 Threads

  • REAR BEARING COVER CAPSCREWS
    35-45 Lbs.-Ft., 3/8-16 Threads
    Use Lockwashers

  • REAR BEARING COVER ESLOK CAPSCREWS
    35-45 Lbs.-Ft., 3/8-16 Threads
    Use Brass Flat Washer & Nylon Collar
  • REVERSE SIGNAL SWITCH PLUG
    35-50 Lbs.-Ft., 9/6-18 Threads

  • AUX. RANGE CYLINDER COVER CAPSCREWS
    35-45 Lbs.-Ft., 3/8-16 Threads

  • AUX. RANGE CYLINDER CAPSCREWS
    35-45 Lbs.-Ft., 3/8-16 Threads

  • AIR FILTER/REGULATOR CAPSCREWS
    8-12 Lbs.-Ft., 1/4-20 Threads
Eaton Fuller Torque Recommendation Chart
  • OIL FILL PLUG
    35-45 Lbs.-Ft., 1-1/4 Pipe Threads

  • LARGE P.T.O. COVER CAPSCREWS
    50-60 Lbs.-Ft., 7/16-14 Threads

  • REDUCTION/SPLITTER CYLINDER PLUG
    40-50 Lbs.-Ft., 5/8-18 Threads

  • REDUCTION/SPLITTER CYLINDER COVER CAPSCREWS
    20-25 Lbs.-Ft., 5/16-18 Threads
  • SMALL P.T.O. COVER CAPSCREWS
    35-45 Lbs.-Ft., 3/8-16 Threads

  • HAND HOLE COVER CAPSCREWS
    20-25 Lbs.-Ft., 5/16-18 Threads

  • SPEEDOMETER HOUSING PLUG
    35-50 Lbs.-Ft., 13/16-20 Threads

  • THERMOCOUPLE PLUG
    40-50 Lbs.-Ft., 1/2 Pipe Threads

  • AUX. C’SHAFT REAR BEARING COVER CAPSCREWS
    35-45 Lbs.-Ft., 3/8-16 Threads