1992 BRAKE SYSTEM USAGE CHART G TRUCK VEHICLE BRAKE SPECIFICATIONS MODEL WHEEL REAR GVW BRAKE MERCHANDISING N0 BASE WHEELS RATING RPO RPO Gl1005 110 0 SINGLE 6400 JB5 GAS J55 G11006 110 0 SINGLE 6400 JB5 GAS J55 G11305 125 0 SINGLE 6400 JB5 GAS J55 G11306 125 0 SINGLE 6400 JB5 GAS J55 G21005 110 0 SINGLE 6400 JB5 GAS G21305 125 0 SINGLE 6400 JB5 GAS 621305 125 0 SINGLE 6400 JD5 DIESEL G21305 125 0 SINGLE 6400 JE1 EXPORT G21306 125 0 SINGLE 6600 JB5 GAS G21306 125 0 SINGLE 6400 JD5 DIESEL G21306 125 0 SINGLE 6400 JE1 EXPORT G31305 125 0 SINGLE 8400 JB7 GAS G31305 125 0 SINGLE 8400 JD7 DIESEL G31306 125 0 SINGLE 8400 JB GAS G31306 125 0 SINGLE 8400 JD7 DIESEL G31303 125 0 SINGLE 8400 JB7 GAS G31303 125 0 SINGLE 8400 JD7 DIESEL G31303 125 0 DUAL 10 000 JB8 GAS DIESEL G31332 125 0 SINGLE 8600 JB7 GAS G31332 125 0 SINGLE 8600 JD7 DIESEL G31332 125 0 DUAL 10 000 JB8 GAS DIESEL G31603 146 0 DUAL 10 000 JB8 GAS DIESEL G31605 146 0 SINGLE 8 400 JB7 GAS G31605 146 0 SINGLE 8 400 JD7 DIESEL G31606 146 0 SINGLE 8 400 JB7 GAS G31606 146 0 SINGLE 8 400 JB7 DIESEL G31632 146 0 DUAL 10 000 JB8 GAS DIESEL 1 1 1993 GENERAL MOTORS SERVICE PARTS 0PEFlATl0NS L GHT TRUCK 536 2 93 4 49 4 955