Parts list: № Number Qty Name Options 1 R77825 2 WEAR RING 2 RE11904 1 SEAL 3 L2301CU 1 O-Ring 4 R78994 1 Back-Up Ring 5 RE14567 1 HYDRAULIC CYLINDER KIT 102 MM BORE (4.0") Next page: 3860-49 BOOM CYLINDER ROD REPAIR KIT (SINGLE FUNCTION BOOM) (648D GRAPPLE SKIDDER) [03K02] 3860-5 GRAPPLE VALVE SECTION DETENT KIT (DUAL OR SINGLE FUNCTION BOOM) (648D GRAPPLE SKIDDER) [03I05] 3860-50 GRAPPLE ROTATE MOTOR (SINGLE AND DUAL FUNCTION BOOM) (648D GRAPPLE SKIDDER) (SERIAL NO. -512673) [03K03] 3860-51A GRAPPLE ROTATE MOTOR (SINGLE AND DUAL FUNCTION BOOM) (648D GRAPPLE SKIDDER) (SERIAL NO. 512674- ) [03K05] 3860-52 GRAPPLE ROTATE MOTOR SHAFT SEAL KIT (648D GRAPPLE SKIDDER) [03K07] 3860-47 BOOM CYLINDER (SINGLE FUNCTION BOOM) (648D GRAPPLE SKIDDER) [03J25] 3860-44 ARCH AND BOOM CYLINDER REPAIR KIT (CYLINDER ROD) (DUAL FUNCTION BOOM) (648D GRAPPLE SKIDDER) [03J23] 3860-42 ARCH AND BOOM CYLINDER REPAIR KIT (DUAL FUNCTION BOOM) (648D GRAPPLE SKIDDER) [03J21] 3860-40 ARCH AND BOOM CYLINDERS (DUAL FUNCTION BOOM) (648D GRAPPLE SKIDDER) [03J19] 3860-4 GRAPPLE VALVE SECTION (SINGLE FUNCTION BOOM) (648D GRAPPLE SKIDDER) [03I03]