Pretty much bullet proof trannys. Used quite a bit in medium vocational trucks and larger RV's. Being that they run on there own computer you can change quite a bit if you know what you are doing(or know a Allison mechanic). How long it will last will depend on how you drive and how the previous owner did, maintenance, etc
Excavating, Grading, Demolition, Land Clearing, Custom Grinding Services, Storm water management, Erosion Control.