Starter Switch Fits John Deere M, MC, MT, R, 40, 50, 60, 320, 330, 420, 430, 440One New Aftermarket Replacement Saddle Mount Starter Switch Fits John Deere: A (Up to SN: 502231), B(Up to SN: 200999), AO (Up to SN: 272000), AR (Up to SN: 272000), H, L, LA, M, MC, MT, R, 40, 50, 60, 320, 330, 420, 430, 440 Fits Minneapolis Moline: Gas LP 335, 445, Big Mo 400, Big Mo 500, Big Mo 600, JetStar, 4 Star, 4 Star Super Fits Oliver: Super 55 (with 6 volt starter 1107147) Tech Info: Manual Starter Switch Saddle mount 2 mounting holes . 190"