Standard Rear Axle Option Only
3.90 ratio
3.55 ratio
3.21 ratio
Standard Rear Axle Option Only
4x4 8 lug wheel 4.10 ratio (opt GT5)
4x4 3.73 ratio (opt GT4)
4x2 3.73 ratio (opt GT4)
4x4 6 lug wheel 3.73 ratio (opt GT4)
4x4 full-floating 4.56 ratio (opt HC4)
4x4 8 lug wheel 3.73 ratio (opt GT4)
4x4 full-floating 4.10 ratio (opt GT5)
4x2 full-floating 4.10 ratio (opt GT5)
4x2 full-floating 4.56 ratio (opt HC4)
4x2 model VIN R 4.10 ratio (opt GT5)
12 bolt cover 8 lug (3.54 ratio)
10 bolt cover 3.55 ratio
10 bolt cover (Dana 60, 4.09 ratio)
10 bolt cover 3.21 ratio
12 bolt cover 5 lug 3.55 ratio
12 bolt cover 5 lug 3.90 ratio
10 bolt cover 3.90 ratio
12 bolt cover 5 lug 3.21 ratio
4x4 SRW 4.10 ratio (opt GT5)
4x2 SRW 3.42 axle ratio (opt GU6)
4x4 SRW 3.73 ratio (opt GT4)
4x4 SRW 4.56 ratio (opt HC4)
4x2 SRW 4.10 ratio (opt GT5)
4x2 SRW 3.73 ratio (opt GT4)
4x2 SRW 3.23 ratio (opt GU5)
4x2 SRW 4.56 ratio (opt HC4)
4x4 SRW 3.42 axle ratio (opt GU6)
SRW full-floating 13x3-1/2 brakes
DRW 9-3/4" ring gear 146" WB
30 HD wide track (opt 5T2)
DRW 7500 GVW
DRW 9-3/4" ring gear 125" WB
SRW full-floating 13x2-1/2 brakes
SRW semi-floating
DRW 7500 GVW (146" WB)
DRW 146" WB 10-1/2" ring gear
DRW 6200 GVW 146" WB
4x4 DRW 3.73 ratio (opt GT4)
4x4 DRW 3.42 axle ratio (opt GU6)
4x2 DRW 3.73 ratio (opt GT4)
4x4 DRW 4.56 ratio (opt HC4)
4x4 DRW 4.10 ratio (opt GT5)
4x2 DRW 4.56 ratio (opt HC4)
4x2 DRW 3.42 axle ratio (opt GU6)
4x2 DRW 4.10 ratio (opt GT5)
exc. 3500 HD SRW semi-floating
DRW 125" WB 9-3/4" ring gear
DRW 7500 GVW (146" WB)
exc. 3500 HD DRW
12 bolt cover 3.55 ratio
SRW full-floating 13x2-1/2 brakes
DRW 6200 GVW 125" WB
10 bolt cover 6200 lb 4.10 ratio
DRW 9-3/4" ring gear 146" WB
10 bolt cover 5500 lb 3.55 ratio
3.23 ratio (opt GU5)
4.10 ratio (opt GT5)
3.08 ratio (opt GU4)
3.73 ratio (opt GT4)
2.73 ratio (opt GU2)
2.56 ratio (opt GM8)
4.11 ratio (opt HO4)
3.42 axle ratio (opt GU6)
4.10 ratio (opt GT5)
3.73 ratio (opt GT4)
4.10 ratio (opt GT5)
3.73 ratio (opt GT4)
ZL1 MT
LS AT 3.27 ratio (opt GW6)
LT MT
SS AT
disc rear brakes 10 bolt cover
AT transmission opt MYC
AT 3.6L
drum rear brakes
MT transmission opt MM6 Z28
w/o traction control
round cover 10-1/4x9-1/2 4-3/4" BC
(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
(round cover) 11x10-1/4 Sdn 11" brakes
round cover 11x10-1/4 4-3/4" BC
cut-out cover 5" BC SW
(round cover) 11x10-1/4 SW
cut-out cover SW
(round cover) 11x10-1/4 Sdn 9.5" brakes
Standard Rear Axle Option Only
4x2 2.73 ratio (opt GU2)
4x4 12 bolt cover 3.08 ratio (opt GU4)
4x4 12 bolt cover 2.73 ratio (opt GU2)
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 12 bolt cover 2.56 ratio (opt GM8)
4x4 2.73 ratio (opt GU2)
4x4 3.42 axle ratio (opt GU6)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x2 10 bolt cover 3.73 ratio (opt GT4)
4x2 3.08 ratio (opt GU4)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x2 10 bolt cover 2.73 ratio (opt GU2)
4x2 10 bolt cover 4.10 ratio (opt GT5)
4x4 14 bolt cover 3.73 ratio (opt GT4)
4x2 3.42 axle ratio (opt GU6)
4x2 2.73 ratio (opt GU2)
4x2 4.10 ratio (opt GT5)
4x2 14 bolt cover (3.73 ratio, opt GT4)
4x4 3.73 ratio (opt GT4)
4x2 crew cab 3.73 ratio (opt GT4)
4x4 3.42 axle ratio (opt GU6)
4x2 crew cab 3.21 ratio (opt HC8)
4x2 crew cab 4.56 ratio (opt HC4)
4x2 crew cab 3.23 ratio (opt GU5)
4x4 3.23 ratio (opt GU5)
4x4 4.10 ratio (opt GT5)
4x2 crew cab 3.42 axle ratio (opt GU6)
4x4 3.21 ratio (opt HC8)
4x4 3.42 axle ratio (opt GU6)
4x2 sport suspension (opt ZQ8)
4x2 off road suspension (opt Z71)
4x4 3.73 ratio (opt GT4)
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)
9-3/4" ring gear 7300 GVW (opt C6A)
8500 GVW (opt C5F) 3.73 ratio (opt GT4)
10-1/2" ring gear (3.54 ratio, opt GH0)
9-3/4" ring gear 3.73 ratio (opt GT4)
8600 GVW (opt C6P) 3.73 ratio (opt GT4)
8600 GVW (opt C6P) 4.10 ratio (opt GT5)
9-1/2" ring gear (3.42 ratio, opt GU6)
10-1/2" ring gear
8500 GVW (opt C5F) 4.10 ratio (opt GT5)
full floating axle (13 x 3.5" brakes)
exc. cutaway 3.73 ratio (opt GT4)
cutaway DRW
Cutaway Van DRW 4.10 ratio (opt GT5)
cutaway SRW 10-1/2" ring gear
cutaway SRW 9-3/4" ring gear
cutaway DRW 10-1/2" ring gear
exc. cutaway 4.10 ratio (opt GT5)
cutaway DRW 10-3/4" ring gear
exc. cutaway
Cutaway Van SRW 10-1/2" ring gear
30 Series DRW removable carrier early
30 Series SRW 3.73 ratio (opt GT4)
30 Series DRW removable carrier
30 Series drum rear brakes DRW
30 Series SRW 3.23 ratio (opt GU5)
20 Series 4.10 ratio (opt GT5)
30 Series DRW removable carrier late
20 Series 3.42 axle ratio (opt GU6)
20 Series
20 Series 4.56 ratio (opt HC4)
round cover 11x10-1/4 5" BC SW
(round cover) 11x10-1/4 4-3/4" BC
round cover 10-1/4x9-1/2 5" BC
cut-out cover exc. SW
(8.5" ring gear, w/rear disc brakes)
round cover 11x10-1/4 5" BC
(round cover) 10-1/4x9-1/2 4-3/4" BC
round cover 11x10-1/4 5" BC exc. SW
cut-out cover 4-3/4" BC
round cover 10-1/4x9-1/2 4-3/4" BC
3.42 axle ratio (opt GU6)
4.10 ratio (opt GT5)
3.73 ratio (opt GT4)
Standard Rear Axle Option Only
Standard Rear Axle Option Only
exc. Crew Cab 4x4 3.73 ratio (opt GT4)
8.6" ring gear (10 bolt) brake opt JD9
exc. Crew Cab 4x2 3.73 ratio (opt GT4)
Crew Cab 4.10 ratio (opt GT5)
4x4 4.10 ratio (opt GT5)
4x4 3.73 ratio (opt GT4)
Regular Cab 4x2 3.73 ratio (opt GT4)
4x2 3.08 ratio (opt GU4)
exc. Crew Cab 4x4 4.10 ratio (opt GT5)
Regular Cab 4x4 4.10 ratio (opt GT5)
semi-floating axle 4.10 ratio (opt GT5)
semi-floating axle 3.73 ratio (opt GT4)
11.50" ring gear (3.73 ratio, opt GT4)
full-floating axle 4.10 ratio (opt GT5)
11.5" ring gear (3.73 ratio, opt GT4)
10.50" ring gear 4.10 ratio (opt GT5)
full-floating axle 3.73 ratio (opt GT4)
10.50" ring gear 3.73 ratio (opt GT4)
10.5" ring gear 4.10 ratio (opt GT5)
10.5" ring gear 3.73 ratio (opt GT4)
SRW 4.10 ratio (opt GT5)
SRW 3.73 ratio (opt GT4)
Standard Rear Axle Option Only
AT (opt M32)
MT (opt M10)
4x2 3.08 ratio (opt GU4)
4x2 3.73 ratio (opt GT4)
4x4 12 bolt cover 3.73 ratio (opt GT4)
4x4 12 bolt cover 3.08 ratio (opt GU4)
4x2 3.42 axle ratio (opt GU6)
4x2 2.73 ratio (opt GU2)
4x4 3.42 axle ratio (opt GU6)
4x4 3.73 ratio (opt GT4)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x4 3.08 ratio (opt GU4)
4x4 10 bolt cover 3.08 ratio (opt GU4)
4x2 3.73 ratio (opt GT4)
4x2 3.42 axle ratio (opt GU6)
4x4 3.42 axle ratio (opt GU6)
4x4 12 bolt cover 3.73 ratio (opt GT4)
4x4 14 bolt cover 3.73 ratio (opt GT4)
4x4 8 lug wheel 3.73 ratio (opt GT4)
4x2 3.08 ratio (opt GU4)
4x2 8 lug wheel 3.73 ratio (opt GT4)
4x4 12 bolt cover 3.08 ratio (opt GU4)
4x2 full-floating 3.21 ratio (opt HC8)
4x2 semi-floating 3.73 ratio (opt GT4)
4x4 3.73 ratio (opt GT4)
4x4 3.42 axle ratio (opt GU6)
4x2 full-floating 4.10 ratio (opt GT5)
4x2 semi-floating 4.56 ratio (opt HC4)
4x2 semi-floating 3.23 ratio (opt GU5)
4x4 4.10 ratio (opt GT5)
4x2 full-floating 3.73 ratio (opt GT4)
4x2 semi-floating 3.21 ratio (opt HC8)
4x2 full-floating 4.10 ratio (opt GT5)
4x4 4.10 ratio (opt GT5)
4x2 3.73 ratio (opt GT4)
4x2 semi-floating 3.23 ratio (opt GU5)
4x2 semi-floating 4.56 ratio (opt HC4)
4x4 3.42 axle ratio (opt GU6)
4x2 full-floating 3.21 ratio (opt HC8)
4x4 (3.73 ratio, opt GT4)
4x2 semi-floating 3.21 ratio (opt HC8)
4x2 full-floating 4.56 ratio (opt HC4)
4x4 4.10 ratio (opt GT5)
Classic style 4x4 3.73 ratio (opt GT4)
2 Dr 4x2 3.73 ratio (opt GT4)
2 Dr 4x2 3.42 axle ratio (opt GU6)
4 Dr 4x4 3.73 ratio (opt GT4)
4x2 w/o police 3.73 ratio (opt GT4)
4x2 3.42 axle ratio (opt GU6)
4x2 police (opt PPV)
4 Dr 4x2 3.73 ratio (opt GT4)
2 Dr 4x4 3.42 axle ratio (opt GU6)
AT Fed (4.62 ratio)
w/o ABS MT 1.6L (5.12 ratio)
MT (5.12 ratio)
ABS MT (4.62 ratio)
AT Calif (4.30 ratio)
ABS 4 Dr (5.12 ratio)
w/o ABS 2 Dr AT (4.30 ratio)
w/o ABS 2 Dr MT (5.12 ratio)
w/o ABS MT 2.0L (4.62 ratio)
ABS MT 2.0L (4.62 ratio)
4.2L 18" wheel 3.73 ratio
5.3L 4.10 ratio
4.2L 18" wheel 4.10 ratio
4.2L 17" wheel 3.73 ratio
6.0L
5.3L 3.73 ratio
4.2L 20" wheel 3.73 ratio
4.2L 20" wheel 3.42 ratio
4.2L 18" wheel 3.42 ratio
5.3L 3.42 ratio
Standard Rear Axle Option Only
(AWD)
(AWD)
(AWD)