1984 BRAKE SYSTEM USAG E CHART P TRUCK 42 MODELI VEHICLE SPECIFICATIONS BRAKE SYSTEM SPECIFICATIONS OPT HVY BASE BRAKES DUTY BRAKES BRAKE RPO BRAKE RPO MERCHAND MERCHAND RPO RPO P20842 125 0 6800 SINGLE J86 JD6 STD JB7 JD7 J55 P20842 125 0 7500 SINGLE JB7 JD7 J55 P20842 V 125 0 8000 SINGLE JB7 JD7 J55 P21042 133 0 6800 SINGLE JB6 JB6 STD JB7 JD7 J55 P21042 133 0 7500 SINGLE JB7 JD7 J55 P21042 133 0 6000 SINGLE JB7 JD7 J55 P30842 125 0 7600 SINGLE JB7 JD7 STD JBB JBB J55 P30642 125 0 6200 SINGLE JB7 JD7 STD JB8 JB8 J55 P30842 125 0 9000 SINGLE JB8 JB8 J55 P30842 125 0 9000 DUAL JB8 JB8 J55 P30842 125 0 10000 DUAL JB8 JB8 J55 P30842 125 0 11500 DUAL JB8 JB8 J55 P30842 125 0 12000 DUAL JF9 JF9 HA3 or HD1 P30842 125 0 14000 DUAL JF9 JF9 HA3 or HD1 P30842 125 0 14500 DUAL JF9 JF9 HA3 or HD1 P31042 133 0 7600 SINGLE JB7 JD7 STD JBB JB8 J55 V P31042 133 0 8200 SINGLE JB7 JD7 STD JB8 JB8 J55 i P31042 133 0 9000 SINGLE JB8 JB8 J55 P31042 133 0 9000 DUAL JBB JB8 J55 P31042 133 0 10000 DUAL JB8 JBB J55 P31042 133 0 11500 DUAL JB8 JB8 J55 P31042 133 0 12000 DUAL JF9 JF9 HA3 or HD1 P31042 133 0 14000 DUAL JF9 JF9 HA3 or HD1 P31042 133 0 14500 DUAL JF9 JF9 HA3 cr HD1 P31442 157 0 7600 SINGLE JB7 JD7 STD JBB JBB J55 P31442 157 0 8200 SINGLE JB7 JD7 STD JB8 JB8 J55 P31442 157 0 9000 SINGLE JB8 JBB J55 P31442 157 0 9000 DUAL JBB JBB J55 P31442 157 0 10000 DUAL JBB JBB J55 P31442 157 0 11500 DUAL JBB JB8 J55 F31442 157 0 12000 DUAL JF9 JF9 HA3 or HD1 P31442 157 0 14000 DUAL JF9 JF9 HA3 or HD1 P31442 157 0 14500 DUAL JF9 JF9 HA3 or HD1 V WAREHOUSlNG AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION LT TRUCK 52A 4 000 GROUP 4416 B REV I 84