1986 BRAKE SYSTEM USAGE CHART G TRUCK VEHICLE BRAKE SPECIFICATIONS MODEL WHEEL REAR GVW BRAKE MERCHANDISING N0 BASE WHEELS RATING RP0 RPO 611005 110 0 SINGLE 4900 JB1 GAS 611005 110 0 SINGLE 5600 JB3 GAS J50 611005 110 0 SINGLE 6000 JB5 GAS J55 611006 110 0 SINGLE 5600 JB3 GAS 611006 110 0 SINGLE 6000 JB5 GAS J55 611305 125 0 SINGLE 4900 JB1 GAS 611305 125 0 SINGLE 5600 JB3 GAS J50 611305 125 0 SINGLE 6000 JB5 GAS J55 611306 125 0 SINGLE 5600 JB3 GAS 611306 125 0 SINGLE 6000 JB5 GAS J55 621005 110 0 SINGLE 6600 JB5 GAS 621005 110 0 SINGLE 6850 JD5 DIESEL 621305 125 0 SINGLE 6600 JB5 GAS 621305 125 0 SINGLE 6850 J05 DIESEL 621306 125 0 SINGLE 6600 JB5 GAS 621306 125 0 SINGLE 6850 JD5 DIESEL 631305 125 0 SINGLE 8600 JB7 GAS 631305 125 0 SINGLE 8600 JD7 DIESEL 631306 125 0 SINGLE 8600 JB7 GAS 631306 125 0 SINGLE 8600 JD7 DIESEL 631303 125 0 SINGLE 8600 JB7 GAS 631303 125 0 SINGLE 8600 JD7 DIESEL 631303 125 0 DUAL 10 000 JB8 GAS DIESEL 631332 125 0 SINGLE 8600 JB7 GAS 631332 125 0 SINGLE 8600 JD7 DIESEL 631332 125 0 DUAL 10 000 JB8 GAS DIESEL 631603 146 0 DUAL 10 000 JB8 GAS DIESEL 631632 146 0 DUAL 10 000 JB8 GAS DIESEL 621006 110 0 SINGLE 6600 JB5 GAS 1991 GENERAL MOTORS SERVICE PARTS 0PERAT 0NS LTTRUCK 52G t 4 999 4 160 1 91