John Deere Engine Base Kit Engine Base Kit For 6.466t Serial # 253
Catalog Number: 4P525
Engine Base kit for 6.466T serial # 253,372 and below or 6.466A serial #233,592 and below engines. Includes standard piston kits (AR72079) w/rings, complete gasket set with front and rear crank seals, connecting rod bushings and Thrust Washer set. To maximize kit you would add 6 conrod bearing pairs, 6 Main Bearing pairs, 1 Main Thrust bearing set, 12 Capscrews also called Conrod boltsand 4 Camshaft bushings. (Sold separately). If ordering rod or main bearings please indicate sizes required.
Part Reference Numbers: AR72079;RG18845
Fits Models: 4440; 4640; 4840; 5720 FORAGE HARVESTER; 5720 LOADER; 644D INDUST/CONST; 646C COMPACTOR; 6620 COMBINE; 6620 INDUST/CONST; 6622 COMBINE; 740A INDUST/CONST; 740A SKIDDER; 762A SCRAPER; 7720 COMBINE; 7720 INDUST/CONST; 8430; 8440; 8450; 8820 COMBINE; 9940 COTTON PICKER