Feature： Used on Cummins B&C series engines & 3.9L, 5.9L, 6.7L & 8.3L liter turbo diesel used in Dodge pickups Allows you to manually rotate an engine Insert tool into the flywheel housing until it engages the ring gear, then attach a 1/2 in. square drive ratchet or breaker bar and turn Load bearing collar provides friction free operation while rotating the tool in the housing Replaces Cummins # 3824591A, 5299073 and OTC-7471A Product description： .
