C1500 14 C2500 14 C3500 14 C5000 6 C5000 Topkick 8 C6000 6 C6000 Topkick 10 C7000 7 C7000 Topkick 11 Forward Control 7 G1500 12 G2500 12 G3500 13 Jimmy 15 K1500 13 K2500 13 K3500 14 Motorhome Chassis 9 P3500 10 R1500 Suburban 11 R2500 Suburban 12 R3500 12 S15 12 S15 Jimmy 10 Safari 15 School Bus Chassis 9 Tracker 3 V1500 Suburban 11 V2500 Suburban 11 V3500 15 W4 3 W5 2 W6 1 W7 2