The HMMWV 4L85E Transmission has proven reliability for nearly 2 decades and it is recommended due to the increase in engine power. The benefit of an additional gear increases fuel economy and vehicle flexibility.

 

 

Features & Benefits

• Proven reliability for nearly 2 decades
• 885 lb. ft. maximum gear box torque rating
• Close ration gears:
  • First: 2.48
  • Second: 1.48
  • Third: 1.0
  • Fourth: 0.75
  • Reverse: 2.07
• 18,000 lb. maximum GVW rating
• 22,000 lb. maximum towing capacity

HMMWV 6.2L FLEETS

It is recommended to upgrade the transmission to the venerable 4L85E as offered with the H.O. power pack due to the increase in power and the benefit of an additional gear, this increases fuel economy at road speeds and vehicle flexibility.