APPLICATION: Three are used on Catetpillar C-15,C-16. But each can be used on many other models of CAT.(Show On Picture 2). REPLACEMENT: The Engine Barring Socket is Similar to Factory Tool J-38587-A, and the Automatic Engine Timing Pin is alternative to J-42083, 139-7064 (adapter for C11), 220-2793, 136-4632. ( C-11 and C-13 require adapters 139-7063 or 139-7064 depending on the application.)Alternative to 9U-7227,properly maintain the Caterpillar Injector height. FUNCTION: .
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