Standard Rear Axle Option Only
3.90 ratio
3.55 ratio
3.21 ratio
Standard Rear Axle Option Only
4x2 model VIN R 3.73 ratio (opt GT4)
4x4 3.42 axle ratio (opt GU6)
4x4 3.73 ratio (opt GT4)
4x2 model VIN R 4.56 ratio (opt HC4)
4x4 8 lug wheel 4.56 ratio (opt HC4)
4x4 8 lug wheel 4.10 ratio (opt GT5)
4x2 3.42 axle ratio (opt GU6)
4x4 4.10 ratio (opt GT5)
4x2 full-floating 3.73 ratio (opt GT4)
4x4 6 lug wheel 3.73 ratio (opt GT4)
12 bolt cover 5 lug 3.90 ratio
12 bolt cover 8 lug (3.54 ratio)
10 bolt cover 3.90 ratio
12 bolt cover 5 lug 3.21 ratio
12 bolt cover 5 lug 3.55 ratio
10 bolt cover 3.55 ratio
10 bolt cover 3.21 ratio
10 bolt cover (Dana 60, 4.09 ratio)
4x4 SRW 3.73 ratio (opt GT4)
4x4 SRW 4.56 ratio (opt HC4)
4x4 SRW 4.10 ratio (opt GT5)
4x2 SRW 3.23 ratio (opt GU5)
4x2 SRW 3.73 ratio (opt GT4)
4x2 SRW 4.10 ratio (opt GT5)
4x4 SRW 3.42 axle ratio (opt GU6)
4x2 SRW 3.42 axle ratio (opt GU6)
4x2 SRW 4.56 ratio (opt HC4)
DRW 10-1/2" ring gear 146" WB
DRW 146" WB 10-1/2" ring gear
SRW full-floating 13x2-1/2 brakes
DRW 125" WB 10-1/2" ring gear
30 HD wide track (opt 5T2)
SRW 10 bolt cover
exc. 30 HD DRW
SRW 14 bolt cover
30 HD w/o wide track
DRW 6200 GVW 146" WB
4x2 DRW 4.56 ratio (opt HC4)
4x4 DRW 3.73 ratio (opt GT4)
4x2 DRW 3.73 ratio (opt GT4)
4x2 DRW 4.10 ratio (opt GT5)
4x4 DRW 4.56 ratio (opt HC4)
4x2 DRW 3.42 axle ratio (opt GU6)
4x4 DRW 4.10 ratio (opt GT5)
4x4 DRW 3.42 axle ratio (opt GU6)
10 bolt cover 5500 lb 3.55 ratio
3500 HD wide track (opt 5T2)
exc. 3500 HD DRW
SRW 10 bolt cover
DRW 5700 GVW (125" WB, 8-454)
DRW 9-3/4" ring gear 146" WB
DRW 7500 GVW (146" WB)
12 bolt cover 3.21 ratio
3500 HD drum Rear brakes
3500 HD w/o wide track
4.11 ratio (opt HO4)
3.42 axle ratio (opt GU6)
3.08 ratio (opt GU4)
3.73 ratio (opt GT4)
3.23 ratio (opt GU5)
2.56 ratio (opt GM8)
2.73 ratio (opt GU2)
4.10 ratio (opt GT5)
3.73 ratio (opt GT4)
4.10 ratio (opt GT5)
4.10 ratio (opt GT5)
3.73 ratio (opt GT4)
MT transmission opt MM6 SS
MT transmission opt MG9
LS AT 2.92 ratio (opt GW8)
disc rear brakes
SS MT
MT 6.2L
drum rear brakes
ZL1 AT
MT transmission opt MM6
disc rear brakes 9 bolt cover
round cover 11x10-1/4 5" BC
(round cover) 10-1/4x9-1/2 4-3/4" BC
round cover 10-1/4x9-1/2 4-3/4" BC
(round cover) 10-1/4x9-1/2
round cover 10-1/4x9-1/2 5" BC
(round cover) 11x10-1/4 5" BC SW
(round cover) 11x10-1/4 SW
8.5" ring gear SW
7.625" ring gear
cut-out cover SW
Standard Rear Axle Option Only
4x4 12 bolt cover 2.73 ratio (opt GU2)
4x4 12 bolt cover 3.08 ratio (opt GU4)
4x4 10 bolt cover 2.73 ratio (opt GU2)
4x2 2.73 ratio (opt GU2)
4x4 10 bolt cover 2.56 ratio (opt GM8)
4x4 12 bolt cover 4.11 ratio (opt GT5)
4x2 3.42 axle ratio (opt GU6)
4x4 10 bolt cover 3.08 ratio (opt GU4)
4x4 12 bolt cover 3.73 ratio (opt GT4)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x4 14 bolt cover 4.10 ratio (opt GT5)
4x2 14 bolt cover 3.73 ratio (opt GT4)
4x2 3.73 ratio (opt GT4)
4x2 3.08 ratio (opt GU4)
4x4 10 bolt cover 4.10 ratio (opt GT5)
4x2 3.42 axle ratio (opt GU6)
4x2 10 bolt cover 2.73 ratio (opt GU2)
4x2 4.10 ratio (opt GT5)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x2 14 bolt cover 4.10 ratio (opt GT5)
4x2 crew cab 3.73 ratio (opt GT4)
4x2 crew cab 3.21 ratio (opt HC8)
4x4 4.10 ratio (opt GT5)
4x4 3.73 ratio (opt GT4)
4x2 crew cab 4.56 ratio (opt HC4)
4x4 3.23 ratio (opt GU5)
4x4 3.42 axle ratio (opt GU6)
4x2 crew cab 3.23 ratio (opt GU5)
4x2 crew cab 3.42 axle ratio (opt GU6)
4x2 crew cab 4.10 ratio (opt GT5)
4x2 off road suspension (opt Z71)
4x4 3.73 ratio (opt GT4)
4x4 3.42 axle ratio (opt GU6)
4x4 4.10 ratio (opt GT5)
4x2 sport suspension (opt ZQ8)
Standard Rear Axle Option Only
(AWD)
3.73 ratio (opt GT4)
3.42 axle ratio (opt GU6)
active brake control (opt JL4)
full floating axle (13 x 3.5" brakes)
9-3/4" ring gear 7300 GVW (opt C6A)
8600 GVW (opt C6P) 3.73 ratio (opt GT4)
9-3/4" ring gear 3.73 ratio (opt GT4)
8500 GVW (opt C5F) 4.10 ratio (opt GT5)
8600 GVW (opt C6P) 4.10 ratio (opt GT5)
7300 GVW (opt C6A)
10-1/2" ring gear
8500 GVW (opt C5F) 3.73 ratio (opt GT4)
9-1/2" ring gear (3.42 ratio, opt GU6)
exc. cutaway
cutaway DRW 4.10 ratio (opt GT5)
cutaway DRW
cutaway SRW 10-1/2" ring gear
Cutaway Van SRW 10-1/2" ring gear
cutaway SRW 9-1/2" ring gear
exc. cutaway 3.73 ratio (opt GT4)
cutaway DRW 10-1/2" ring gear
cutaway SRW
Cutaway Van SRW 9-1/2" ring gear
20 Series 4.10 ratio (opt GT5)
30 Series SRW 4.56 ratio (opt HC4)
30 Series SRW 3.23 ratio (opt GU5)
30 Series SRW 3.21 ratio (opt HC8)
30 Series SRW 3.42 axle ratio (opt GU6)
30 Series drum rear brakes DRW
20 Series 3.73 ratio (opt GT4)
30 Series SRW 4.10 ratio (opt GT5)
30 Series drum rear brakes SRW
30 Series DRW removable carrier early
round cover 11x10-1/4 5" BC SW
round cover 11x10-1/4 5" BC
cut-out cover 5" BC SW
cut-out cover 5" BC
round cover 10-1/4x9-1/2 4-3/4" BC
round cover 11x10-1/4 4-3/4" BC
(round cover) 11x10-1/4 4-3/4" BC
(round cover) 10-1/4x9-1/2 4-3/4" BC
cut-out cover SW
(8.5" ring gear, w/rear disc brakes)
4.10 ratio (opt GT5)
3.42 axle ratio (opt GU6)
3.73 ratio (opt GT4)
Standard Rear Axle Option Only
Standard Rear Axle Option Only
Regular Cab 4x4 4.10 ratio (opt GT5)
Regular Cab 4x2 3.08 ratio (opt GU4)
exc. Crew Cab 4x4 3.73 ratio (opt GT4)
Regular Cab 4x2 3.73 ratio (opt GT4)
4x4 4.10 ratio (opt GT5)
exc. Crew Cab 4x4 4.10 ratio (opt GT5)
4x2 3.42 axle ratio (opt GU6)
exc. Crew Cab 4x2 3.08 ratio (opt GU4)
exc. Crew Cab 4x2 3.73 ratio (opt GT4)
Regular Cab 4x4 3.73 ratio (opt GT4)
full-floating axle 4.10 ratio (opt GT5)
10.5" ring gear 3.73 ratio (opt GT4)
full-floating axle 3.73 ratio (opt GT4)
11.5" ring gear (3.73 ratio, opt GT4)
semi-floating axle 3.73 ratio (opt GT4)
10.50" ring gear 3.73 ratio (opt GT4)
11.50" ring gear (3.73 ratio, opt GT4)
semi-floating axle 4.10 ratio (opt GT5)
10.5" ring gear 4.10 ratio (opt GT5)
10.50" ring gear 4.10 ratio (opt GT5)
SRW 3.73 ratio (opt GT4)
SRW 4.10 ratio (opt GT5)
Standard Rear Axle Option Only
AT (opt M32)
MT (opt M10)
4x4 4.11 ratio (opt GT5)
4x4 3.73 ratio (opt GT4)
4x2 2.73 ratio (opt GU2)
4x4 3.42 axle ratio (opt GU6)
4x4 10 bolt cover 3.08 ratio (opt GU4)
4x4 3.08 ratio (opt GU4)
4x4 12 bolt cover 3.08 ratio (opt GU4)
4x4 12 bolt cover 3.73 ratio (opt GT4)
4x2 3.73 ratio (opt GT4)
4x2 3.42 axle ratio (opt GU6)
4x2 3.73 ratio (opt GT4)
4x2 4.10 ratio (opt GT5)
4x4 10 bolt cover 3.08 ratio (opt GU4)
4x4 8 lug wheel 3.73 ratio (opt GT4)
4x4 3.42 axle ratio (opt GU6)
4x2 8 lug wheel 3.73 ratio (opt GT4)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x4 12 bolt cover 4.11 ratio (opt GT5)
4x4 12 bolt cover 3.08 ratio (opt GU4)
4x2 2.73 ratio (opt GU2)
4x2 semi-floating 3.23 ratio (opt GU5)
4x4 3.73 ratio (opt GT4)
4x4 4.10 ratio (opt GT5)
4x2 semi-floating 3.73 ratio (opt GT4)
4x2 full-floating 3.73 ratio (opt GT4)
4x2 semi-floating 4.10 ratio (opt GT5)
4x4 3.42 axle ratio (opt GU6)
4x2 full-floating 3.21 ratio (opt HC8)
4x2 semi-floating 4.56 ratio (opt HC4)
4x2 full-floating 4.56 ratio (opt HC4)
4x4 4.10 ratio (opt GT5)
4x2 3.73 ratio (opt GT4)
4x2 full-floating 3.73 ratio (opt GT4)
4x4 3.42 axle ratio (opt GU6)
4x2 full-floating 4.56 ratio (opt HC4)
4x2 semi-floating 3.21 ratio (opt HC8)
4x2 full-floating 4.10 ratio (opt GT5)
4x2 semi-floating 4.10 ratio (opt GT5)
4x4 (3.73 ratio, opt GT4)
4x2 semi-floating 3.23 ratio (opt GU5)
4 Dr 4x2 3.73 ratio (opt GT4)
2 Dr 4x4 3.42 axle ratio (opt GU6)
4 Dr 4x2 3.42 axle ratio (opt GU6)
4x2 w/o police 3.23 ratio (opt GU5)
4 Dr 4x4 3.73 ratio (opt GT4)
4x4 3.73 ratio (opt GT4)
4x2 3.42 axle ratio (opt GU6)
2 Dr 4x4 3.73 ratio (opt GT4)
2 Dr 4x2 3.42 axle ratio (opt GU6)
4x2 w/o police 4.10 ratio (opt GT5)
ABS MT 2.0L (4.62 ratio)
ABS 2 Dr MT (5.12 ratio)
ABS MT (4.62 ratio)
w/o ABS 4 Dr (5.12 ratio)
AT Calif (4.30 ratio)
w/o ABS 2 Dr MT (5.12 ratio)
w/o ABS 2 Dr AT (4.30 ratio)
w/o ABS MT (4.62 ratio)
ABS MT 1.6L (5.12 ratio)
w/o ABS MT 1.6L (5.12 ratio)
4.2L 18" wheel 3.42 ratio
4.2L 20" wheel 3.42 ratio
4.2L 17" wheel 3.73 ratio
5.3L 3.42 ratio
5.3L 3.73 ratio
4.2L 20" wheel 3.73 ratio
4.2L 17" wheel 4.10 ratio
4.2L 17" wheel 3.42 ratio
4.2L 18" wheel 3.73 ratio
6.0L
Standard Rear Axle Option Only
(AWD)
(AWD)
(AWD)