T137 1980 BRAKE SYSTEM USAGE CHART C0n t Ku T V 1980 P TRUCK 32 MODEL GASOLINE ENGINE VEHICLE SPECIFICATIONS BRAKE SYSTEM SPECIFICATIONS OPT HVY BASE BRAKES DUTY BRAKES WHEEL BRAKE MERCHAND BRAKE MERCHAND BASE RPO RPO RPO RPO P3083Z 125 0 10500 DUAL JB8 STD P30832 125 0 11000 DUAL JB8 STD P30832 125 0 11800 DUAL JB8 STD P30832 125 0 12300 DUAL J B8 STD P30832 125 0 12500 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 1 2300 DUAL JB8 STD P31132 137 0 12500 DUAL JB8 STD P31432 158 5 10500 DUAL JB8 STD 1 31432 158 5 11000 DUAL JB8 STD I P3143Z 158 5 11800 DUAL JB8 STD P31432 158 5 12300 DUAL JB8 STD P31432 158 5 12500 DUAL JB8 STD P31Q2 158 5 14500 DUAL JF9 HF7 or HF8 EEK w EEE AL M WAI1EHOUSlNG AND DISTRIBUTION DIVISION OFVGENERAL MOTORS CORPORATION LT TRUCKAZA I REV 1 84 4 11 s 4 000 GROUP