T1Z8 1979 BRAKE SYSTEM USAGE CHART 1979 C TRUCK GASOLINE ENGINE VEHICLE SPECIFICATIONS BRAKE SYSTEM SPECIFICATIONS OPT HVV BASE BRAKES DUTY BRAKES MODEL WHEEL GVW BRAKE MERCHAND BRAKE MERCHAND N0 BASE RATING RPO RPO RPO RPO C10703 117 5 4900 SINGLE JB1 STD C10703 117 5 5300 SINGLE JB3 J50 JB5 J55 C10703 117 5 5400 SINGLE JB3 J50 JB5 J55 C10703 117 5 5600 SINGLE JB3 J50 JB5 J55 C10703 117 5 6050 SINGLE JB5 J55 I I 010702 I 117 R I sgnn I emma I nn gg I I C10903 131 5 4900 SINGLE JB1 STD C10930 131 5 5300 SINGLE JE3 J50 JB5 J55 C10903 131 5 5400 SINGLE JB3 J50 JB5 J55 C10903 131 5 5600 SINGLE JB3 J50 JB5 J55 C10903 131 5 6050 SINGLE JB5 J55 C10903 131 5 6200 SINGLE JB5 J55 210906 129 5 6050 SINGLE JB5 STD C10906 129 5 6400 SINGLE JB5 STD C10906 129 5 6800 SINGLE JB5 STD C10906 129 5 7000 SINGLE JB5 STD I C20903 131 5 6400 SINGLE JB6 STD JB7 J55 I I C20903 131 5 7100 SINGLE JB6 STD JB7 I J55 C20903 131 5 7500 SINGLE JB7 J55 320903 131 5 8200 SINGLE JB7 J55 C20S06 129 5 7100 SINGLE JB6 STD JB7 J55 C20906 129 5 7500 SINGLE JB7 J55 C20906 129 5 8200 SINGLE JB7 J55 C20943 164 5 7500 SINGLE JB7 STD C20943 164 5 8200 SINGLE JB7 STD C30903 131 5 8600 SINGLE JB7 STD JB8 J55 C30903 131 5 9000 SINGLE JB8 J55 C30903 131 5 10000 DUAL JB8 J55 C31003 135 5 8600 SINGLE JB7 STD JB8 J56 C31003 135 5 9000 SINGLE JB8 J55 631003 135 5 9000 DUAL JB8 J55 C31003 135 5 10000 DUAL JB8 J55 C31403 159 5 S600 SINGLE JB7 STD JB8 J55 C31403 159 5 9000 SINGLE JB8 J55 C31403 159 5 9000 DUAL JB8 J55 C31403 159 5 10000 DUAL JBS J55 C30943 164 5 9000 SINGLE JB8 STD C30943 164 5 9600 SINGLE JB8 STD C30943 164 5 10000 DUAL JBB STD EIIERAL MOTORS SERVICE PARTS DPERATION LT TRUCK 62 4 000 GROUP BRAKE SYSTEM 2 REV 2 87 I