Fitment: Jdg476 Jt30040b Jdg477 St-198 For John Deere Engine Crankshaft Rear Main Seal Installer Description： For John Deere Models 4630 8430 4040 4240 4440 4640 4840 8440 (4050 W/466 Only) 4250 4450 4650 4850 8450 4055 4255 4455 4555 4755 4955 4560 4760 4960 3010 3020 4000 4010 4020 4320 4520 4620 4230 4430 Many More Ag & Industrial Equipment Using The 270 404 466 6076 7.6l 8.1l Engines .