If your looking for the tachometer cable that goes with this tach
Studs & bracket with light option
Range = Empty - Full
Fits dash opening of 2" 52mm opening
tractor models: B250
Replacement Tachometer Steel Cable will fit John Deere 4010 4020 3010 3020 4320 If your looking for theNew replacement tachometer cable, will fit John Deere models: 500, 600, 3010, (s n 049999 earlier), 3020, 4000, (s n 201000 later), 4010, 4020, 4320, 4520, 4620 Will fit Combine(s): 3300, 4400, 4420, 6600 Will fit Construction & Industrial(s): 500, 500A (s n 123113 earlier), 600 33. 5" Long, Cable is steel cased. Made to replace part numbers: AR26721, AR28588 STLRPJDAR26721 Disclaimer: Tractor America parts listed are Aftermarket parts and not