14 SECTION 172 1973 79 TRUCK SERIES IOO 500 TRANSMISSION MODEL TIRES REMARKS DRIVE GEAR DRIVEN GEAR SPEEDOMETER GEAR COMBINATIONS Convd 1973 74 E100 300 1973 B F M P 100 500 For 1975 E100 350 Apglications Refer to gage 19 17285 SPEEDOMETER GEARS For rnu ti speed axle speedometer gear selection use lowest numerical axle ratio Refer to groug 17294 if sgeedometer adagter is reguired NEW PROCESS 3 54 REAR AXLE RATI0 435 7 50 X 16 1973 C8AZ 17285 A CODD 17271 A 7 50 X 16 1974 D3TZ 17285 A CODD 17271 A 7 50 X 16 1975 76 D3TZ 17285 A CODD 17271 A 8 X 16 8 75 X 16 1973 C8AZ 17285 A CODD 17271 B 8 X 16 8 75 X 16 1974 D3TZ 17285 A CODD 17271 B 8 75 X 16 5 8 X 16 5 1975 76 0302 17285 0 CODD 17271 B 9 50 X 16 1973 C8AZ 17285 A C3DZ 17271 B 9 50 X 16 1974 D3TZ 17285 A C3DZ 17271 B 9 50 X 16 5 8 75R X 16 5 1975 76 C30Z 17285 C C3DZ 17271 B 7 50 X 16 9 50 X 16 5 2 W D 1977 D5TZ 17285 A CODD 17271 C 8 75 X 16 5 8 75R X 16 5 2 W D 1977 D5TZ 17285 A C1DD 17271 A 8 X 16 5 BR X 16 5 2 vI D 1977 D5TZ 17285 A 0402 17271 A 7 50R X 16 2 W D l977 D5TZ 17285 A CODD 17271 B 7 50 X 16 7 50R X 16 4 w D 1977 D3TZ 17285 A CODD 17271 A 8 75 X 16 5 8 75R X 16 5 9 50 X 16 5 4 W D 1977 D3TZ 17285 A C3DZ 17271 B 8 X 16 5 8R X 16 5 4 W D 1977 D3TZ 17285 A CODD 17271 B 3 70 REAR AXLE RATIO 435 6 50 X 16 7 X 15 L78 X 15 1973 74 C8AZ 17285 A CODD 17271 B L78 X 15 6 50 X 16 7 X 15 1975 C30Z 17285 C CODD 17271 B G78 X 15 H78 X 15 1973 74 CBAZ 17285 A CODD 17271 C H78 X 15 HR78 X 15 G78 x 15 1975 C30Z 17285 C CODD 17271 C 3 73 REAR AXLE RATIO 435 7 50 X 16 12 X 16 1973 C8AZ 17285 A C3DZ 17271 B 7 50 X 16 1974 D3TZ 17285 A C3DZ 17271 B 5 7 50 X 16 12 X 16 5 1975 76 C30Z 17285 C C3DZ 17271 B 8 X 16 1973 C8AZ 17285 A CODD 17271 C 8 X 16 1974 D3TZ 17285 A CODD 17271 0 8 X 16 5 1975 76 0302 17285 C CODD 17271 C 7 X 16 8 75 X 16 9 50 X 16 1973 C8AZ 17285 A CODD 17271 B 8 75 X 16 9 50 X lb 1974 D3TZ 17285 A CODD 17271 B 9 50 X 16 5 8 75 X 16 5 7 5OR X 16 1975 76 C30Z 17285 C CODD 17271 B 7 50 X 16 9 50 X 16 5 1977 C80Z 17285 B C1DD 17271 A 8 75 X 16 5 mw tire 1977 C8OZ 17285 B C4OZ 17271 A 8x 16 5 8R X 16 5 8 75 X 16 5 8 75R X 16 5 1977 DOTZ 17285 A CODD 17271 A 7 5OR X 16 12 X 16 5 1977 C80Z 17285 B CODD 17271 C 7 50 X 16 9 50 X 16 5 1977 W 400 D5TZ 17285 A C1DD 17271 A 8 75 X 16 5 mw tire 1977 w 400 D5TZ 17285 A C4OZ 17271 A 8 X 16 5 8R X 16 5 8 75 X 16 5 1977 W 400 D4TZ 17285 A CODD 17271 A 8 75R x 16 5 7 50R X 16 12 X 16 5 12R X 16 5 1977 W 400 D5TZ 17285 A CODD 17271 C 7 50 X 16 9 50 X 16 5 eXc 400 C80Z 17285 8 C1DD 17271 A 12 X 16 5 eXe 400 C8OZ 17285 B CODD 17271 C 8 75 x 16 5 snow tire exc 400 C80Z 17285 8 CODD 17271 A 8 X 16 5 8 75 X 16 5 8 75R X 16 5 eXe 400 DOTZ 17285 A CODD 17271 A