T IZ9 1 1979 BRAKE SYSTEM USAGE CHART C0n t l I Y 1 I I ms I C TRUCK DIESEL ENGINE I VEHICLE SPECIFICATIONS BRAKE SYSTEM SPECIFICATIONS 1 OPT HVY 1 BASE BRAKES DUTY BRAKES I GVW BRAKE MERCHAND BRAKE MERCHAND I RATING RPO RPO RPO RPO 1 C10703 117 5 5300 SINGLE JD3 J50 JD5 J55 1 C10703 117 5 5400 SINGLE JD3 J50 JD5 J55 I C10703 117 5 5600 SINGLE JD3 J50 JD5 J55 C10703 117 5 6050 SINGLE JD5 J55 1 1 C10703 117 5 6200 SINGLE JD5 J55 1 C10903 131 5 5300 SINGLE JD3 J50 JD5 J55 C10903 131 5 5400 SINGLE JD3 J50 JD5 J55 C10903 131 5 5600 SINGLE JD3 J50 JD5 J55 1 C10903 131 5 6050 SINGLE JD5 J55 r 010903 131 5 6200 SINGLE JD5 J55 I 1979 K TRUCK GASOLINE ENGINEI VEHICLE SPECIFICATIONS BRAKE SYSTEM SPECIFICATIONS OPT HVY BASE BRAKES DUTY BRAKES GVW REAR BRAKE MERCHAND BRAKE MERCHAND 1 RATING WHEELS RPO RPO RPO RPO C10516 106 5 6200 SINGLE JB5 STD K10516 106 5 6200 SINGLE JB5 STD 1 1 11 1 111 5 111611 JB5 111 Xi K10903 131 5 S200 SINGLE JB5 STD E K10906 129 5 6200 SINGLE JB5 STD K10906 129 5 6800 SINGLE JB5 STD K10906 129 5 7300 SINGLE JB5 STD K20903 131 5 6800 SINGLE JB6 STD JB7 J55 K20903 131 5 7500 SINGLE JB7 J55 K20903 131 5 8400 SINGLE JB7 J55 I K20906 129 5 6800 SINGLE JB6 STD JB7 J55 I K20906 129 5 7500 SINGLE JB7 J55 K20906 129 5 8400 SINGLE JB7 J55 K30903 131 5 8600 SINGLE JB8 STD K30S03 131 5 9200 SINGLE JB8 STD K30903 131 5 10000 DUAL JBS STD K31003 135 5 B600 SINGLE JBS STD K31003 135 5 9200 SINGLE JE8 STD K31003 135 5 9200 DUAL JBB STD K31003 135 5 10000 DUAL JBS STD 1 314 1 IEE 1 111111 1111 STD Z K30943 164 5 9200 SINGLE JB8 STD K30943 164 5 10000 DUAL J BB STD GENERAL MOTORS SERVICE PARTS 0PERATIONS LT TRUCK E 2A REV 2 87 BRAKE SYSTEM 3 4 000 GROUP