Replacement Tachometer & Cable compatible with John Deere 1520 2020 2120 2630 2640 2040 Fits J D Models: 1520, 2020, 2120, (1830, 2030, 2130 - W/OUT CAB), 2630, 2040, 2240, 2440, 2640 SN >340999, 300B, 301A, 302, 302A, 401A, 401B, 401C Kit Includes: (1) Tachometer (1) Tachometer Cable - 25.190" Long - 0.625" Thread Size Replaces Part Numbers: AL23838, AT19904