1984 BRAKE SYSTEM USAGE CHART I C TRUCK VEHICLE PECIFICA l1ONS BRAKE SYSTEM SPECIFICATIONS OPT HVY BASE BRAKES DUTY BRAKES BRAKE RPO BRAKE RPO I WHEEL GVW REAR MERCHAND MERCHAND BASE RA I1NG WHEELS RPO RPO C10703 117 5 4900 SINGLE JB1 STD B3 5 J50IJ55 C10703 117 5 5200 SINGLE JE3 JD3 J50 JB5 JD5 J55 C10703 117 5 5600 SINGLE JB3 JD3 J50 JB5 JD5 J55 C10703 117 5 6100 SINGLE JB5 JD5 J55 C10903 131 5 4900 SINGLE JB1 STD B3 5 J50IJ55 I 12109011 131 5 5200 I SINGLE JB3 JD3 I J50 JB5 JD5 I J55 wuuua 131 5 5500 SINGLE JB3 JD3 150 JB5 JD5 J55 C10903 131 5 6100 SINGLE JB5 JD3 J55 C10906 129 5 6100 SINGLE JB5 STD C10906 129 5 6800 SINGLE JB5 STD C10906 129 5 7000 SINGLE JD5 STD C20903 131 5 6400 SINGLE JB6 JD6 STD JB7 JD7 J55 020903 131 5 7200 SINGLE JB6 JD6 STD JB7 JD7 J55 C20903 131 5 8600 SINGLE JB7 JD7 J55 czosus 1 600 SINGLE JB7 107 sw c20s4s 164 5 secu SINGLE JB7 Juv sm I C30903 131 5 9000 SINGLE JB8 JB8 STD I C30903 131 5 10000 DUAL JB8 JB8 RO5 C30903 131 5 10500 DUAL JEB JB8 RO5 C31003 135 5 9000 SINGLE JBB JB8 STD C31003 135 5 9000 DUAL JB8 JB8 R05 C31003 135 5 10000 DUAL JB8 JB8 FI05 C31003 135 5 10500 DUAL JB8 JB8 RO5 C31403 159 5 9000 SINGLE JB8 JB8 STD C31403 159 5 9000 DUAL JB8 JE8 RO5 C31403 159 5 10000 DUAL JB8 JBS RO5 C31403 159 5 10500 DUAL JB8 JB8 R05 030943 164 5 9000 SINGLE JB8 JB8 STD C30943 164 5 9600 SINGLE JEB JB8 STD C30943 164 5 10000 DUAL JB8 JB8 RO5 C30943 164 5 10500 DUAL JB8 JES R05 I I I I I I ENERAL MOTORS SERVICE PARTS 0PERATIONS I T TRucI s2A I 4 000 GROUP BRAKE SYSTEM 32 REV 2 87 I