Engine Barring Socket For Caterpillar 3200/3406 Series & Mack E-7,E7 ETEC Caterpillar and Mack Engine Barring/turning Socket Caterpillar 3200/3406 Series Mack E-7,E-7 ETEC Forged and Made in USA by Apex Tool Company Direct replacement for J-38587-A Caterpillar 9S9082 0508477