The OTC Engine Adapter Plates allow technicians to safely and securely remove and hold heavy duty engines using the 1750A Revolver Diesel Engine Stand from OTC. The adapter plates include 1750-4649 Engine Adapter Plate, 1750-47022 Engine Adapter Plate, 1750-4789 Engine Adapter Plate, and the 1750-4940 Engine Adapter Plate. The 1750-4649 is designed for mounting 2004-2009 DT466, DT570, HT570, MaxxForce DT, Maxxforce 9, and Maxxforce 10 engines. The 1750-47022 is for mounting 2004-2007 Detroit Diesel MBE 900 engines. The 1750-4789 is for mounting 2007-later MaxxForce 11 and 13 engines. The 1750-4940 is for 2010-2016 MaxxForce DT, MaxxForce 9, and MaxxForce 10 engines. All adapters come with fasteners and a lifetime warranty.