1B6 8100, 8200, 8300, 8400 TRACTORS JOHN DEERE MECHANICAL FRONT WHEEL DRIVE SERIAL NUMBER RXP020905 -UN-01JAN94 THE SERIAL NUMBER PLATE IS LOCATED ON THE REAR RIGHT-HAND SIDE OF THE AXLE HOUSING. REAR AXLE SERIAL NUMBER RXP020906 -UN-01JAN94 THE DIFFERENTIAL HOUSING SERIAL NUMBER IS LOCATED ON THE TOP RIGHT-HAND SIDE. 10-12 8100, 8200, 8300, 8400 TRACTORS PC2389 (16-SEP-97) PN=30