Flat tow

[Kora]

If HUMVEE and HUMMER are identical on drive train design, why HUMVEE is not flat tow-able while HUMMER is flat tow-able without disconnecting the drive shaft? What am I missing here?

 

[tage]

Lol...

 

[DatGuyC]

HMMWV doesn't have park to stop the transmission from turning even when the tcase is in neutral.

 

[Gunzy]

HMMWV and H1 Hummer do NOT have the same drive train. TH400 without park vs. 4l80e, AWD T case vs 4WD T case. There is more but these are the big ones.

 

[Kora]

HMMWV and H1 Hummer do NOT have the same drive train. TH400 without park vs. 4l80e, AWD T case vs 4WD T case. There is more but these are the big ones.

Gunzy, appreciated very much for your expert / professional explanation. Now I know.

 

[Action]

HMMWV and H1 Hummer do NOT have he same drive train. TH400 without park vs. 4l80e, AWD T case vs 4WD T case. There is more but these are the big ones.

Which one does not have AWD?

 

[snowtrac nome]

both the 3l80 and 4l80's are flat towable did it lots as a young gi, you must have the t- case in natural and make certain it is if not you will smoke the transmission. for safety purposes you should use a truck one size larger to tow with as the towed vehicle has no brakes and can push you while trying to make an emergency stop or while cornering.