Step Unit - LH John Deere 4050 2510 4240 3010 2950 4640 4020 4755 2520 4450 4520 4230 4760 4560 4455 4010 4000 4040 4430 4630 3020 4255 4055 4320 4955 4440 4850 4620 4840 4555 4960 4250 4650 4030 Fits John Deere Tractor(s) 2420 (Open station row crop & will require adapter bracket), 2510 (Open station row crop & will require adapter bracket), 2520 (Open station row crop & will require adapter bracket), 2950, 3010 (Open station row crop & will require adapter bracket), 3020 (Open station row crop & will require adapter bracket), 3030, 3040, 3130, 3140, 3150, 3155, 4000 (Open station row crop & will require adapter bracket), 4010 (Open station row crop & will require adapter bracket), 4020 Fits left hand side Convenient adjustable step unit makes it easier to get in and out of your tractor Easy to install with no holes to drill and hardware is included Step: 14-1/2" wide 6" deep mounts at 30 angle to tractor with 9" between steps