T135 I 1980 BRAKE SYSTEM USAGE CHART C0n t I I I I 1980 1 G TRUCK GASOLINE ENGINE I I VEHICLE SPECIFICATIONS BRAKE SYSTEM SPECIFICATIONS 1 on nvv 1 BASE BRAKES DUTY BRAKES I MODEL WHEEL GVW REAR BRAKE MERCHAND BRAKE MERCHAND 1 ND BASE RATING WHEELS RPO RPO RPO RPO G11005 110 0 4900 SINGLE JB1 STD JB3 JB5 J50IJ55 G11005 110 0 5400 SINGLE JB3 J50 JB5 J55 I G11005 110 0 5600 SINGLE JB3 J50 JB5 J55 1 G11005 110 0 6000 SINGLE JB5 J55 I G11305 125 0 4900 SINGLE JB1 STD JB3IJB5 J50IJ55 G11305 125 0 5400 SINGLE JB3 J50 JB5 J55 I G11305 125 0 5600 SINGLE JB3 J5O JB5 J55 1 G11305 125 0 6000 V SINGLE JB5 J55 Z G11006 110 0 5600 SINGLE JB3 STD JB5 J55 1 G11006 110 0 6000 SINGLE JB5 J55 I G11306 125 0 5600 SINGLE JB3 STD JB5 J55 G11306 125 0 6000 SINGLE JB5 J55 1 EKIIIH 0000 0111000 005 010 ZL 105 0 0000 0111000 I 005 010 11 G21006 110 0 0000 summa Jas src I 021500 0000 0111000 005 010 1 I G31005 110 0 6600 SINGLE JB5 STD JB7 J55 G31005 110 0 7100 SINGLE JB5 STD JB7 J55 G31005 110 0 7400 SINGLE JB5 STD G31005 110 0 7900 SINGLE JB7 J55 1 G31305 125 0 6600 SINGLE JB5 STD JB7 J55 G31305 125 0 7100 SINGLE JB5 STD JB7 J55 631305 125 0 7400 SINGLE JB5 STD JB7 J55 G31305 125 0 7900 SINGLE JB7 J55 G31305 125 0 8600 SINGLE JB7 J55 I G31306 125 0 6600 SINGLE JB5 STD JB7 J55 G31306 125 0 7100 SINGLE JB5 STD JB7 J55 G31306 125 0 7400 SINGLE JB5 STD JB7 J55 1 G31306 125 0 7900 SINGLE JB7 J55 I G31306 125 0 S600 SINGLE JB7 J55 G31303 125 0 7400 SINGLE JB7 STD G31303 125 0 8600 SINGLE JB7 STD G31303 125 0 8900 DUAL JB8 R05 G31303 125 0 10000 DUAL JB8 STD G31603 146 0 8900 DUAL JB8 STD G31603 146 0 10000 DUAL JB8 STD G31332 125 0 8600 SINGLE JB7 STD G31332 125 0 8900 DUAL JEI8 R05 G31332 125 0 10000 DUAL JB8 R05 1 001002 1400 IEEE 00000 000 010 lj I GENERAL MOTORS SERVICE PARTS 0PERATIONS LT TRUCK 52A REV 2 87 BRAKE SYSTEM 9 OOO GFIOUP