PART NO. A-AL30805. Tachometer. Dim A (1)?é?á?é?á Max RPM: 2500 Dim B (2)?é?á?é?á Base RPM: 2100 Dim C (3)?é?á?é?á Gear Ranges: 6 Dim D (4)?é?á?é?á Dia: 4.528" Dim E (5)?é?á?é?á Length: 3.583 Replaces?é?á?é?á AL19692, AL24776. John Deere TRACTOR: 2840,John Deere TRACTOR: 3030,John Deere TRACTOR: 3130,John Deere TRACTOR: 2840,John Deere TRACTOR: 3030,John Deere TRACTOR: 3130