John Deere Major Engine Overhaul Kit for 6.619A & 6.619T Diesel, 500 Series engines. 6 Cyl. Block #: R74123, R72130; Connecting Rod #: R63959. Standard bore 5.12ï¿½ (130mm), Piston Pin: 2.0ï¿½ (50.8mm). Kit includes: Piston Liner Kit, Main Bearing, Thrust Bearing, Thrust Washer Set, Connecting Rod Bearing, Front Crankshaft Seal, Rear Seal, Connecting Rod Bushing, Connecting Rod Bolt, and Camshaft Bearing. Fits John Deere Tractor models: 762, 850, 855, 860B, 862, 890, 890A, 8630, 8640, and 8650.
6 CYL BLOCK: R74123, R72130, CONN ROD: R63959; PISTON MARKED: AR85997, RE20275
Bore: 5.12" 130mm, Pin: 2.0", 50.8mm Crossed From: 956312 A & I MEGA-CROSS