96:1 ratio worm and gear set rotates components a full 360 degrees crank handle can be locked in any position integral 12 ton jack raises the work to provide the swing radius needed clearnace includes universal engine adapter assembly two front wheels and two rear casters provide mobility universal adapter assembly permits use with a wide variety of mounting plates for caterpillar, cummins, mack, ih, and detroit in-line or v series diesel engines, as well as allison transmissions.