1984 BRAKE SYSTEM USAGE CHART G TRUCK VEHICLE SPECIFICATIONS BRAKE SYSTEM SPECIFICATIONS OPT HVY BASE BRAKES DUTY BRAKES BRAKE RPO BRAKE RPO WHEEL DIESEL MERCHAND MERCHAND BASE ENG RPO RPO G11005 110 0 4900 SINGLE JB1 STD B3 5 J50IJ55 G11005 110 0 5400 SINGLE JB3 J50 JB5 J55 G11005 110 0 5600 SINGLE JB3 J50 JB5 J55 G11005 110 0 6000 SINGLE JB5 J55 W 4 I G11305 I 125 0 I 4000 I SINGLE JB1 I I svn I1 I I I mI 511305 125 0 5400 SINGLE JB3 J50 JB5 J55 G11305 125 0 5600 SINGLE JB3 J50 JB5 J55 G11305 125 0 6000 SINGLE JB5 J55 G11006 110 0 5600 SINGLE JB3 STD JB5 J55 G11006 110 0 6000 SINGLE JB5 J55 G11306 125 0 5600 SINGLE JB3 STD JB5 J55 G11306 125 0 6000 SINGLE JB5 J55 021005 110 0 0600 SINGLE JB5 Jus sw 021205 125 0 6600 SINGLE 11215 Jus G21306 125 0 6600 SINGLE JB5 STD G21306 125 0 6850 SINGLE JD5 STD G31305 125 0 7100 SINGLE JB7 TD EXPOR G31305 125 0 8600 SINGLE JB7 JD7 STD G31306 125 0 7100 SINGLE JB7 TD EXPORT G31306 125 0 7400 SINGLE JB7 STD 631306 125 0 8600 SINGLE JB7 JD7 STD G31303 125 0 7400 SINGLE JB7 JD7 STD G31303 125 0 8600 SINGLE JB7 JD7 STD G31303 125 0 8900 DUAL JB8 JB8 R05 G31303 125 0 10000 DUAL JBB JB8 R05 G31603 146 0 8900 DUAL JB8 JB8 STD G31603 146 0 10000 DUAL JBB JB8 STD G31332 125 0 8600 SINGLE JB7 JD7 STD G31332 125 0 8900 DUAL JBB JB8 R05 I G31632 146 0 uA1 Jas Jas sm I I I ENERAL MOTORS SERVICE PARTS OPERATIONS LT TRUCK 52 4 000 GROUP BRAKE SYSTEM 34 REV 2 87 I