Main Bearing (For 0.010" (3.362") undersize main journal) Fits John Deere Tractor Fits: John Deere- 3010, 3020 with 4-270D Engine, ESN: 280001 and up; 4000, 4010, 4020, 4040 with 6-404D Engine, ESN: 215000 and up, 4050 with 6-466D Engine, 4050 with 6-466T Engine European Model, 4055 with 6076TAH Engine, 4230 with 6-404D Engine, ESN: 215000 and up, 4250 with 6-466T Engine, 4255 with 6076TAH Engine, 4240 with 6-466D Engine, (4320, 4430 with 6-404TA Engine), (4440, 4450, 4455 with 6-466T Engine), (4520, 4620, 4630 with 6-404TA Engine), 4640, 4650, 4840 with 6-404TA Engine; 7020 4WD Tractor; 7020 with 6-404TA Engine; (8430, 8450 with 6-466A Engine), 8570 with 6076TAH Engine- Replacement Numbers: John Deere- AR49245- All JJD4798 applications with a 6-cylinder 404D engine will have one of the following engine block numbers: R40610, R43310, R45980, R47020, R47110, R47170, R48440, R49470, R49650, R59850, R72128 All JJAgParts items have been hand selected by our team and are continuously monitored for Quality. Should a craftsmanship or fitment concern be identified, JJAgParts will work with you to stand behind our products. JJAgParts is an American owned and operated family business! Here at JJAgParts, we strive for customer satisfaction. If you are not satisfied with your order, please contact us so we can make it right. Note: OEM Part Numbers are for reference only and should be verified before purchase.