Tachometer assembly with WHITE needle. Tractors: Gas/Diesel with powershift transmission:4020 (s/n 250001 & up)Has provision for back light and fiber opticsFits John Deere models 2510, 2520, 3020, 4020Replaces AR32830 AR39904 AR45443 AR48020 AR50401 AR50405 RE206854W
