The AGCO 3902347M91 is a genuine Massey Ferguson Rev. Counter, designed for accurate engine speed monitoring in a wide range of Massey Ferguson tractor models. This essential component ensures precise operational data for optimal performance and maintenance. Confirmed fitment for MF 3050, 3060, 3065, 3070, 3075, 3080, 3085, 3090, 3095, 3115, 3120, 3125, 3140, 3145, 3610, 3630, 3635, 3645, 3650, 3655, 3660, 3670, 3680, 3690, 4225, 4235, 4240, 4245, 4255, 4260, 4265, 4270, 4325, 4335, 4345, 4355, 4360, 4370, 6120, 6130, 6140, 6150, 6160, 6170, 6180, 6190, 6230, 6245, 6255, 6260, 6265, 6270, 6280, 6290, 8110, 8120, 8130, 8140, 8150, 8160, 8170, 8180, 8210, 8220, 8240, 8250, 8260, 8270, and 8280 series tractors.