CUCV m1008 1-1/4 ton military truck... 6.2 diesel,456 gears granny 4sp tranny (not factory i installed for the ratio) detriot locker front and rear, dana 60 front 14 bolt chevy rear... 8in suspension lift with 38.5 x 14.5 x 16.5 thornbird tire. I put 8 Kc lights on the truck its a 24 volt truck so it has two alternators and two batteries it has no problem with power for the lights.... 5in exhaust with stacks so it sounds pretty good