Alternator SE501372 Compatible with John Deere 4030 4040 4050 4230 4240 4250 4430 4440 4450 4620 4630 4640 4650 4840 4850 6030 7020MAKE TYPE MODEL ENGINE John Deere Tractor 4030 John Deere Tractor 4040 John Deere Tractor 4050 John Deere Tractor 4230 John Deere Tractor 4240 John Deere Tractor 4250 John Deere Tractor 4430 John Deere Tractor 4440 John Deere Tractor 4450 John Deere Tractor 4620 John Deere Tractor 4630 John Deere Tractor 4640 John Deere Tractor 4650 John Deere Tractor 4840 John Deere Tractor 4850 John Deere Tractor 6030 John Deere Tractor 7020 John Deere Skidder 540E