1A25 8100, 8200, 8300, 8400 TRACTORS SHORT BLOCK SERIAL NUMBER IDENTIFICATION (RE650490995- ) RGP4680 -UN-24MAY96 SERIAL NUMBER STAMPED INTO CASTING OF BLOCK NEAR PREVIOUS SERIAL NUMBER PLATE. EXAMPLE: RE650490995 1. DESIGNATES SERVICE PART NUMBER RE65049 2. DESIGNATES MONTH ASSEMBLED 09 3. DESIGNATES YEAR ASSEMBLED 95 10-7A 8100, 8200, 8300, 8400 TRACTORS PC2389 (24-SEP-98) PN=24