S W 1985 TRUCK S MANUFACTURING SOURCE TRANSMISSION STAMPING INFORMATION r K Continued u POSITION 4 5 A DAY PRODUCED 1 A Numeric numbers will be stamped in positions 4 5 to identify the day produced Example O1 First day produced W 1 1 10 Tenth day produced I 1 EXAMPLE A 1985 TRUCK CHARACTER 1 S A MANUFACTURING SOURCE STAMPING IDENTIFICATION POSITION 1 12 3 n 4 5 A A V N N F H 0 5 V MANur AcTun1Ne souncej MUNCIE 4 SPEED 117MM Monet YEAR W 1985 MONTH PRODUCE 4 A June A x V DAY PRODUCED W 5th DAY OF THE MONTH L SOURCE DESIGNATION WILL BE LOCATED AS FOLLOWS 3 Speed 4 Speed Lower right left hand side S of transmission below cover 4 Speed Truck Rear face of transmission case below retainer 3 Speed Automatic On left side of oil pan 3 Speed Hydramatic A Stamped on label rear right 1 A hand side of transmission A case C 1991 GENERALMOTORSSERWCEPARTSOPEHAUONSelTTRUCK 52M 1 91 4 3 4 4 000