54 SECTION 55 1973 79 TRUCK SERIES 100 500 SPRING U BOLT YEAR MODEL l Average PART NUMBER 0 V IDENTIFICATION Capacity MAIN 5560 PART NUMBER T S NOTE 1 A AUX 5588 Y 1 5560 SPRING ASSY REAR Conv d NOTE 1 Where two different springs have the same number of leaves check the stamped number or dimensions to pick the correct service number A P average capacity at pad G average capacity at ground Refer to beginning of group 5560 for explanation of ratings A Before Ser W4O 0O1 Erom Ser W40 001 73 77 E500 13M Rockwell axle w 0 aux spring w 0 shocks 12 4500 P C2TZ 5560 E BBQ 5705 A 4 w shock A BBQ 5705 A 2 D5TZ 5705 A 2 w shocks I C6TZ 5705 E 2 w aux spring 12 4500 CZTZ 5560 E See next line w shock 1 2250 D1TZ 5588 A AC1TT 5705 AK 4 0 D5TZ 5705 A 4 w o shock A CITT 5705 AK 2 D5TZ 5705 A 2 w shock A BBQ 5705 B 2 DSTZ 5705C 2 E500 15 M Eaton axle w 0 aux spring w o shocks 12 6760 CZTZ 5560 A CBTZ 5705 0 4 w shock C8TZ 5705 D 2 w shock BBQ 5705 A 2 w aux spring 12 6760 CZTZ 5560 A See next line w 0 shocks 1 2250 D1TZ 5588 A A C6TZ 5705 E 4 D5TZ 5705 A 4 w shock A C6TZ 5705 E 2 D5TZ 5705 A 2 w shock A CITT 5705 AK 2 0 DSTZ 5705 C 2 E500 15M Rockwell axle w 0 aux spring w 0 shocks 12 6760 CZTZ 5560 A BBQ 5705 A 4 w shocks BBQ 5705 A 2 w shock A C6TZ 5705 E 2 D5TZ 5705 A 2 W w aux spring 12 6760 CZTZ 5560 A See next line w 0 shocks 1 2250 D1TZ 5588 A A ClTT 5705 AK 4 D5TZ 5705 A 4 w shocks A CITT 5705 AK 2 0 D5TZ 5705 A 2 rw shocks A BBQ 5705 8 2 D5TZ 5705 C 2 73 76 M450 500 H 4000 0 B4 5560 A DBHZ 5705 A 4 io 5zoo e B41 5560 c C6TZ 5105 c 4 73 76 P550 5 2lvl axle single rear wheels 10 2240 0 C1TT 5560 AJ C6TZ 5705 0 4 10 2700 G C1TT 5560 AH C6TZ 5705 G 4 12 3050 G B7J 5560 A C6TZ 5705 G 4 dual rear wheels 10 2815 G CUT 5560 AH C6TZ 5705 G 4 12 3190 0 B7J 5560 A C6TZ 5705 0 4 l P350 7 4M axle single rear wheels 10 2240 G CITT 5560 AJ DBTZ 5705 K 4 I 10 2700 0 C1TT 5560 AH D3TZ 5705 K 4 1 12 3050 G B7J 5560 A D3TZ 5705 K 4 l dual rear wheels 10 2815 c C1TT 5560 AH 4 D3TZ 5705 K 4 12 3190 G B7J 5560 A D3TZ 5705 K 4