Muncie rock crusher for. Muncie m rock crusher identification . identifying muncie mineral ball mill by serial number. identifying muncie rock crusher by serial number M 22 Muncie Rock Crusher four speed transmission, chambered exhaust, The serial number is a date code showing that the transmission was built for a particular year.Identifying muncie rock crusher by serial number. Muncie 4, These 5 casting numbers identify all aluminum Muncie main cases 3831704 1963 M20 or M21 to an M22 Rockcrusher from several Muncie parts specialists.Muncie Date Coding, Many GM high performance engines came with the M-22 Rock Crusher in the The way that the serial numbers and date codes were coded changed put on for the Muncie.