1984 BRAKE SYSTEM USAGE CHART P TRUCK 32 MODEL I VEHICLE SPECIFICATIONS BRAKE SYSTEM SPECIFICATIONS OFT nvv BASE BRAKES DUTY BRAKES WHEEL GVW BRAKE MERCHAND BRAKE MERCHAND BASE RATING RPO RPO RPO RPO I P30B32 125 0 10500 DUAL JB8 STD P30832 125 0 11000 DUAL JB8 STD P30832 125 0 11800 DUAL JEB STD P30B32 125 0 12300 DUAL J B8 STD P31132 137 0 10500 DUAL JB8 STD P31132 137 0 11000 DUAL JB8 STD P31132 137 0 11800 DUAL JB8 STD P31132 137 0 12300 DUAL JB8 STD V I P31432 158 5 10500 DUAL JB8 STD P31432 158 5 11000 DUAL JB8 STD P31432 158 5 11800 DUAL JB8 STD P31432 158 5 12300 DUAL JB8 STD P31432 158 5 14500 DUAL JF9 HF7 HF8 or H K9 IEEE M MMO DUAL JM ENERAL MOTORS SERVICE PARTS OPERATIONS LT YRUCK 52A REV 2 87 BRAKE SYSTEM 35 4 OOO GROUP