Standard Rear Axle Option Only
3.90 ratio
3.21 ratio
3.55 ratio
Standard Rear Axle Option Only
4x4 8 lug wheel 4.10 ratio (opt GT5)
4x4 6 lug wheel 4.10 ratio (opt GT5)
4x2 model VIN R 3.73 ratio (opt GT4)
4x2 model VIN R 4.56 ratio (opt HC4)
4x4 4.10 ratio (opt GT5)
4x2 full-floating 4.10 ratio (opt GT5)
4x2 3.42 axle ratio (opt GU6)
4x2 full-floating 4.56 ratio (opt HC4)
4x4 3.73 ratio (opt GT4)
4x2 full-floating 3.73 ratio (opt GT4)
12 bolt cover 5 lug 3.21 ratio
10 bolt cover 3.21 ratio
10 bolt cover 3.55 ratio
10 bolt cover 3.90 ratio
12 bolt cover 5 lug 3.90 ratio
12 bolt cover 8 lug (3.54 ratio)
10 bolt cover (Dana 60, 4.09 ratio)
12 bolt cover 5 lug 3.55 ratio
4x4 SRW 4.56 ratio (opt HC4)
4x2 SRW 4.10 ratio (opt GT5)
4x2 SRW 3.73 ratio (opt GT4)
4x4 SRW 4.10 ratio (opt GT5)
4x2 SRW 3.23 ratio (opt GU5)
4x2 SRW 3.42 axle ratio (opt GU6)
4x4 SRW 3.73 ratio (opt GT4)
4x2 SRW 4.56 ratio (opt HC4)
4x4 SRW 3.42 axle ratio (opt GU6)
30 HD w/o wide track
SRW full-floating
DRW 10-1/2" ring gear 125" WB
DRW 7500 GVW (146" WB)
SRW 10 bolt cover
exc. 30 HD DRW
DRW 10-1/2" ring gear 146" WB
DRW 146" WB 10-1/2" ring gear
DRW 125" WB 9-3/4" ring gear
DRW 5700 GVW (125" WB, 8-454)
4x2 DRW 4.56 ratio (opt HC4)
4x2 DRW 3.42 axle ratio (opt GU6)
4x4 DRW 4.56 ratio (opt HC4)
4x2 DRW 3.73 ratio (opt GT4)
4x4 DRW 3.73 ratio (opt GT4)
4x4 DRW 4.10 ratio (opt GT5)
4x4 DRW 3.42 axle ratio (opt GU6)
4x2 DRW 4.10 ratio (opt GT5)
DRW 125" WB 9-3/4" ring gear
exc. 3500 HD SRW semi-floating
12 bolt cover 3.90 ratio
3500 HD w/o wide track
SRW semi-floating
12 bolt cover 3.21 ratio
SRW full-floating 13x3-1/2 brakes
12 bolt cover 3.55 ratio
exc. 3500 HD DRW
10 bolt cover 6200 lb 4.10 ratio
3.42 axle ratio (opt GU6)
2.73 ratio (opt GU2)
3.08 ratio (opt GU4)
4.10 ratio (opt GT5)
3.23 ratio (opt GU5)
4.11 ratio (opt HO4)
2.56 ratio (opt GM8)
3.73 ratio (opt GT4)
3.73 ratio (opt GT4)
4.10 ratio (opt GT5)
4.10 ratio (opt GT5)
3.73 ratio (opt GT4)
ZL1 MT
MT transmission opt MM6 Z28
disc rear brakes w/o traction control
SS AT
LS AT 2.92 ratio (opt GW8)
LS MT
w/o traction control
AT 3.6L
LT AT 3.27 ratio (opt GW6)
MT transmission opt MM6 SS
cut-out cover 4-3/4" BC
(round cover) 10-1/4x9-1/2 4-3/4" BC
(round cover) 11x10-1/4 SW
round cover 11x10-1/4 5" BC SW
7.625" ring gear
round cover 11x10-1/4 5" BC exc. SW
cut-out cover exc. SW
(round cover) 11x10-1/4 Sdn 11" brakes
cut-out cover SW
round cover 11x10-1/4 5" BC
Standard Rear Axle Option Only
4x2 2.56 ratio (opt GM8)
4x4 12 bolt cover 3.73 ratio (opt GT4)
4x4 3.42 axle ratio (opt GU6)
4x4 12 bolt cover 2.73 ratio (opt GU2)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x4 12 bolt cover 2.56 ratio (opt GM8)
4x4 10 bolt cover 3.08 ratio (opt GU4)
4x4 2.73 ratio (opt GU2)
4x2 2.73 ratio (opt GU2)
4x4 10 bolt cover 2.56 ratio (opt GM8)
4x2 3.73 ratio (opt GT4)
4x2 10 bolt cover 3.08 ratio (opt GU4)
4x4 14 bolt cover 4.10 ratio (opt GT5)
4x2 10 bolt cover 3.73 ratio (opt GT4)
4x2 14 bolt cover 4.10 ratio (opt GT5)
4x2 2.73 ratio (opt GU2)
4x2 14 bolt cover (3.73 ratio, opt GT4)
4x4 14 bolt cover 3.73 ratio (opt GT4)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x2 3.08 ratio (opt GU4)
4x4 3.73 ratio (opt GT4)
4x4 3.42 axle ratio (opt GU6)
4x4 4.10 ratio (opt GT5)
4x2 crew cab 3.23 ratio (opt GU5)
4x4 3.23 ratio (opt GU5)
4x2 crew cab 3.42 axle ratio (opt GU6)
4x2 crew cab 3.21 ratio (opt HC8)
4x2 crew cab 4.10 ratio (opt GT5)
4x2 crew cab 3.73 ratio (opt GT4)
4x4 3.21 ratio (opt HC8)
4x4 3.42 axle ratio (opt GU6)
4x4 3.73 ratio (opt GT4)
4x2 off road suspension (opt Z71)
4x2 sport suspension (opt ZQ8)
4x4 4.10 ratio (opt GT5)
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)
10-1/2" ring gear
9-1/2" ring gear (3.42 ratio, opt GU6)
8500 GVW (opt C5F) 3.73 ratio (opt GT4)
8500 GVW (opt C5F) 4.10 ratio (opt GT5)
8600 GVW (opt C6P) 4.10 ratio (opt GT5)
10-1/2" ring gear (3.54 ratio, opt GH0)
9-3/4" ring gear 7300 GVW (opt C6A)
7300 GVW (opt C6A)
9-3/4" ring gear 4.10 ratio (opt GT5)
cutaway SRW 10-1/2" ring gear
exc. cutaway 3.73 ratio (opt GT4)
exc. cutaway 4.10 ratio (opt GT5)
Cutaway Van DRW 3.73 ratio (opt GT4)
cutaway SRW
Cutaway Van SRW 10-1/2" ring gear
cutaway DRW
cutaway SRW 9-1/2" ring gear
cutaway DRW 3.73 ratio (opt GT4)
cutaway DRW 4.10 ratio (opt GT5)
20 Series 3.21 ratio (opt HC8)
20 Series
30 Series SRW 4.56 ratio (opt HC4)
30 Series drum rear brakes SRW
30 Series drum rear brakes DRW
30 Series SRW 3.73 ratio (opt GT4)
30 Series SRW 4.10 ratio (opt GT5)
20 Series 4.10 ratio (opt GT5)
20 Series 3.73 ratio (opt GT4)
30 Series DRW removable carrier late
cut-out cover exc. SW
cut-out cover 5" BC exc. SW
round cover 10-1/4x9-1/2 5" BC
round cover 11x10-1/4 5" BC exc. SW
round cover 11x10-1/4 5" BC SW
cut-out cover 5" 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
(round cover) 10-1/4x9-1/2 4-3/4" BC
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 4x2 3.73 ratio (opt GT4)
exc. Crew Cab 4x4 4.10 ratio (opt GT5)
4x4 4.10 ratio (opt GT5)
Regular Cab 4x4 4.10 ratio (opt GT5)
4x2 3.08 ratio (opt GU4)
4x2 3.42 axle ratio (opt GU6)
Regular Cab 4x2 3.08 ratio (opt GU4)
exc. Crew Cab 4x4 3.73 ratio (opt GT4)
exc. Crew Cab 4x2 3.08 ratio (opt GU4)
Regular Cab 4x4 3.73 ratio (opt GT4)
10.50" ring gear 3.73 ratio (opt GT4)
10.50" ring gear 4.10 ratio (opt GT5)
10.5" ring gear 4.10 ratio (opt GT5)
full-floating axle 4.10 ratio (opt GT5)
full-floating axle 3.73 ratio (opt GT4)
semi-floating axle 3.73 ratio (opt GT4)
10.5" ring gear 3.73 ratio (opt GT4)
11.5" ring gear (3.73 ratio, opt GT4)
11.50" ring gear (3.73 ratio, opt GT4)
semi-floating axle 4.10 ratio (opt GT5)
SRW 4.10 ratio (opt GT5)
SRW 3.73 ratio (opt GT4)
Standard Rear Axle Option Only
MT (opt M10)
AT (opt M32)
4x2 3.73 ratio (opt GT4)
4x4 12 bolt cover 3.73 ratio (opt GT4)
4x4 3.08 ratio (opt GU4)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x4 4.11 ratio (opt GT5)
4x4 10 bolt cover 3.08 ratio (opt GU4)
4x4 3.42 axle ratio (opt GU6)
4x2 3.08 ratio (opt GU4)
4x2 3.42 axle ratio (opt GU6)
4x4 12 bolt cover 4.11 ratio (opt GT5)
4x4 3.73 ratio (opt GT4)
4x2 3.42 axle ratio (opt GU6)
4x2 2.73 ratio (opt GU2)
4x4 12 bolt cover 3.73 ratio (opt GT4)
4x2 8 lug wheel 3.73 ratio (opt GT4)
4x4 3.08 ratio (opt GU4)
4x2 5 lug wheel 3.73 ratio (opt GT4)
4x4 6 lug wheel 3.73 ratio (opt GT4)
4x4 10 bolt cover 3.08 ratio (opt GU4)
4x4 12 bolt cover 3.08 ratio (opt GU4)
4x2 full-floating 3.21 ratio (opt HC8)
4x4 4.10 ratio (opt GT5)
4x2 semi-floating 3.73 ratio (opt GT4)
4x4 3.73 ratio (opt GT4)
4x2 semi-floating 4.10 ratio (opt GT5)
4x2 full-floating 4.10 ratio (opt GT5)
4x2 semi-floating 3.23 ratio (opt GU5)
4x2 semi-floating 3.21 ratio (opt HC8)
4x2 full-floating 4.56 ratio (opt HC4)
4x2 semi-floating 4.56 ratio (opt HC4)
4x2 semi-floating 4.10 ratio (opt GT5)
4x2 semi-floating 4.56 ratio (opt HC4)
4x2 (3.73 ratio, opt GT4)
4x2 semi-floating 3.21 ratio (opt HC8)
4x2 3.73 ratio (opt GT4)
4x2 full-floating 4.10 ratio (opt GT5)
4x2 4.10 ratio (opt GT5)
4x4 (3.73 ratio, opt GT4)
4x2 full-floating 3.73 ratio (opt GT4)
4x4 3.42 axle ratio (opt GU6)
4x2 w/o police 3.23 ratio (opt GU5)
Classic style 4x4 3.73 ratio (opt GT4)
4x2 3.42 axle ratio (opt GU6)
4x2 police (opt PPV)
2 Dr 4x4 3.42 axle ratio (opt GU6)
4 Dr 4x4 3.42 axle ratio (opt GU6)
4x2 3.73 ratio (opt GT4)
4x4 4.10 ratio (opt GT5)
4x4 3.73 ratio (opt GT4)
4 Dr 4x2 3.73 ratio (opt GT4)
ABS 2 Dr AT (4.30 ratio)
w/o ABS AT (4.88 ratio)
AT Calif (4.30 ratio)
AT (4.62 ratio)
w/o ABS 2 Dr MT (5.12 ratio)
AT Fed (4.62 ratio)
ABS MT (4.62 ratio)
w/o ABS MT 2.0L (4.62 ratio)
w/o ABS 4 Dr (5.12 ratio)
w/o ABS MT (4.62 ratio)
4.2L 17" wheel 4.10 ratio
4.2L 20" wheel 3.42 ratio
4.2L 20" wheel 3.73 ratio
4.2L 18" wheel 4.10 ratio
5.3L 3.42 ratio
6.0L
5.3L 3.73 ratio
5.3L 4.10 ratio
4.2L 18" wheel 3.73 ratio
4.2L 18" wheel 3.42 ratio
Standard Rear Axle Option Only
(AWD)
(AWD)
(AWD)