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For the M1114 with 400 amp alternator the correct belt is 12469149-3 , 3030-01-488-5606 i think someone at GP was trying to fit the wrong serpentine belt on this vehicle and couldn’t get it on which is why it was laying loose over several pulleys but not functional. HMMWV running now. the...

i also don’t know if it matters but my serial number starts with 244xxx

It can freely turn in either direction. Is there some trick to getting these on. With a serpentine wrench pushed all the way forward to release tension on the tension pulley should it go on the tracks fairly easily of the last pulley? Is there a specific pulley i should be using as the last one?

Right now it has a serpentine belt with NSN 3030015837508 which is a 110” in long one. From what i have gathered I think i need a NSN 3030-01-488-5606 which would be 114” long? Did all M1114 with sn >196901 have a 400 amp alternator?

Thanks again. I can check in the morning when i get back if i can move it both ways. I don’t know if these pictures of the front of help in the meantime.

I recently received a gov planet m1114 that serpentine belt was present on the machine but not actually on the pulleys. it is likely a 2007 6.5l turbo with a 400amp alternator. when placing the serpentine belt over everything and taking the tension off the tension pulley i can’t get it over...