RG18845 Major Engine Overhaul Kit Major John Deere Overhaul Kit for engine 6.466A & 6.466T Diesel, 400 Series. 6 CYL. C/R R57303, R67320,. Standard Bore: 4.56? (116mm), Piston Pin: 1.85? (47mm). Kit includes: Piston Liner Kit, Main Bearing, Thrust Bearing, Thrust Washer Set, Connecting Rod Bearing Set, Connecting Rod Bushing, Connecting Rod Capscrew, Camshaft Bearing, Front Crankshaft Seal, Rear Crankshaft Seal, and Overhaul Gasket without Seals. Fits John Deere models: 6620, 6622, 7720, 8820, 9940, 5720, 644D, 646A, 740A, 762A, 4440, 4640, 4840, 8430, 8440, and 8450. Replaces:RE524411, RE525437, RE525438, RG27845, RG27846, RG27910 Included in this kit:Piston Liner Kit A-AR72079 6.00Bearing, Main A-AR74814 STD 6.00 or A-AR74816 .010 6.00 or A-AR74817 .020 6.00 or A-AR74818 .030 6.00Bearing, Thrust A-AR77748 STD 1.00 or A-AR77750 .010 1.00 or A-AR77751 .020 1.00 or A-AR77752 .030 1.00Washer Set, Thrust A-AR77747 STD 1.00Bearing Set, Conn Rod A-AR73277 STD 6.00 or A-AR73279 .010 6.00 or A-AR73280 .020 6.00 or A-AR73281 .030 6.00Seal, Front Crankshaft A-AR49025 1.00Seal, Rear Crankshaft A-RE22764 1.00Bushing, Conn Rod A-R60724 for trapezoid shaped bushing 6.00Capscrew, Conn Rod A-R66452 12.00Bearing, Camshaft A-R46903 4.00Gasket OH Set w/o Seals A-AR98845 1.00 Please Contact us to ensure that your size bushings are in stock. Fits the Following Models: John Deere COMBINE: 6620 (6.466T SN