OTC's 'Revolver' Engine Adapter Plate is the ideal accessory for attaching select Caterpillar diesel engines to OTC's 6000 lb. capacity 'Revolver' engine stand For use with Caterpillar Nos. 1673, 1674, 1693, 3306, and 3406 in-line 6 cyl. engines; and Nos. 1100, 3208, and 3408 V8 engines Adapter features robust materials and construction to effortlessly support heavy truck diesel engines for rebuilding or other procedures Includes all necessary hardware required for installation OTC's 205061 Universal Engine Adapter Plate Assembly is REQUIRED to mate this engine adapter plate to OTC's 'Revolver' Diesel Engine Stand