Standard Rear Axle Option Only
3.55 ratio
3.21 ratio
3.90 ratio
Standard Rear Axle Option Only
4x4 6 lug wheel 4.10 ratio (opt GT5)
4x2 full-floating 3.73 ratio (opt GT4)
4x4 8 lug wheel 4.56 ratio (opt HC4)
4x4 8 lug wheel 4.10 ratio (opt GT5)
4x4 4.10 ratio (opt GT5)
4x4 full-floating 4.56 ratio (opt HC4)
4x4 full-floating 4.10 ratio (opt GT5)
4x2 full-floating 4.10 ratio (opt GT5)
4x2 model VIN R 4.56 ratio (opt HC4)
4x2 3.73 ratio (opt GT4)
10 bolt cover 3.90 ratio
12 bolt cover 5 lug 3.55 ratio
10 bolt cover 3.55 ratio
12 bolt cover 8 lug (3.54 ratio)
10 bolt cover (Dana 60, 4.09 ratio)
10 bolt cover 3.21 ratio
12 bolt cover 5 lug 3.21 ratio
12 bolt cover 5 lug 3.90 ratio
4x2 SRW 3.42 axle ratio (opt GU6)
4x4 SRW 3.73 ratio (opt GT4)
4x2 SRW 3.23 ratio (opt GU5)
4x4 SRW 4.10 ratio (opt GT5)
4x2 SRW 4.56 ratio (opt HC4)
4x2 SRW 4.10 ratio (opt GT5)
4x2 SRW 3.73 ratio (opt GT4)
4x4 SRW 4.56 ratio (opt HC4)
4x4 SRW 3.42 axle ratio (opt GU6)
DRW 7500 GVW (146" WB)
30 HD w/o wide track
exc. 30 HD DRW
DRW 9-3/4" ring gear 146" WB
DRW 125" WB 10-1/2" ring gear
DRW 9-3/4" ring gear 125" WB
DRW 146" WB 10-1/2" ring gear
DRW 10-1/2" ring gear 125" WB
DRW 146" WB 9-3/4" ring gear
SRW full-floating
4x2 DRW 3.73 ratio (opt GT4)
4x2 DRW 4.56 ratio (opt HC4)
4x4 DRW 3.42 axle ratio (opt GU6)
4x2 DRW 3.42 axle ratio (opt GU6)
4x4 DRW 3.73 ratio (opt GT4)
4x4 DRW 4.56 ratio (opt HC4)
4x4 DRW 4.10 ratio (opt GT5)
4x2 DRW 4.10 ratio (opt GT5)
DRW 10-1/2" ring gear 146" WB
DRW 10-1/2" ring gear 125" WB
exc. 3500 HD DRW
DRW 146" WB 9-3/4" ring gear
DRW 9-3/4" ring gear 125" WB
3500 HD drum Rear brakes
10 bolt cover 6200 lb 3.55 ratio
10 bolt cover 5500 lb 4.10 ratio
DRW 146" WB 10-1/2" ring gear
DRW 125" WB 9-3/4" ring gear
3.23 ratio (opt GU5)
3.73 ratio (opt GT4)
2.56 ratio (opt GM8)
4.11 ratio (opt HO4)
3.42 axle ratio (opt GU6)
2.73 ratio (opt GU2)
4.10 ratio (opt GT5)
3.08 ratio (opt GU4)
3.73 ratio (opt GT4)
4.10 ratio (opt GT5)
3.73 ratio (opt GT4)
4.10 ratio (opt GT5)
LS MT
LS AT 3.27 ratio (opt GW6)
SS AT
disc rear brakes 10 bolt cover
ZL1 AT
traction control (opt NW9) 3.8L
LT AT 3.27 ratio (opt GW6)
MT 6.2L
LT MT
MT transmission opt MG9
(round cover) 10-1/4x9-1/2 5" BC
(round cover) 11x10-1/4 SW
(round cover) 10-1/4x9-1/2
(round cover) 11x10-1/4 4-3/4" BC
round cover 11x10-1/4 5" BC
cut-out cover 5" BC exc. SW
cut-out cover 5" BC SW
round cover 11x10-1/4 4-3/4" BC
8.5" ring gear SW
round cover 10-1/4x9-1/2 4-3/4" BC
Standard Rear Axle Option Only
4x4 10 bolt cover 2.56 ratio (opt GM8)
4x4 12 bolt cover 2.73 ratio (opt GU2)
4x4 12 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 3.73 ratio (opt GT4)
4x4 2.73 ratio (opt GU2)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x4 10 bolt cover 3.08 ratio (opt GU4)
4x4 3.42 axle ratio (opt GU6)
4x2 4.10 ratio (opt GT5)
4x4 14 bolt cover 3.73 ratio (opt GT4)
4x2 10 bolt cover 3.08 ratio (opt GU4)
4x2 2.73 ratio (opt GU2)
4x2 14 bolt cover 3.73 ratio (opt GT4)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x2 10 bolt cover 3.73 ratio (opt GT4)
4x2 3.08 ratio (opt GU4)
4x2 10 bolt cover 2.73 ratio (opt GU2)
4x4 10 bolt cover 4.10 ratio (opt GT5)
4x4 4.10 ratio (opt GT5)
4x2 crew cab 4.56 ratio (opt HC4)
4x4 3.23 ratio (opt GU5)
4x2 crew cab 3.42 axle ratio (opt GU6)
4x2 crew cab 3.73 ratio (opt GT4)
4x2 crew cab 4.10 ratio (opt GT5)
4x4 3.42 axle ratio (opt GU6)
4x4 3.21 ratio (opt HC8)
4x2 crew cab 3.21 ratio (opt HC8)
4x2 crew cab 3.23 ratio (opt GU5)
4x4 3.42 axle ratio (opt GU6)
4x2 off road suspension (opt Z71)
4x4 3.73 ratio (opt GT4)
4x4 4.10 ratio (opt GT5)
4x2 sport suspension (opt ZQ8)
Standard Rear Axle Option Only
(AWD)
active brake control (opt JL4)
3.42 axle ratio (opt GU6)
3.73 ratio (opt GT4)
9-3/4" ring gear 4.10 ratio (opt GT5)
full floating axle (13 x 3.5" brakes)
9-3/4" ring gear 7300 GVW (opt C6A)
8600 GVW (opt C6P) 4.10 ratio (opt GT5)
9-1/2" ring gear (3.42 ratio, opt GU6)
10-1/2" ring gear (3.54 ratio, opt GH0)
8500 GVW (opt C5F) 3.73 ratio (opt GT4)
9-3/4" ring gear 3.73 ratio (opt GT4)
8500 GVW (opt C5F) 4.10 ratio (opt GT5)
7300 GVW (opt C6A)
cutaway DRW 10-1/2" ring gear
cutaway DRW 3.73 ratio (opt GT4)
exc. cutaway 4.10 ratio (opt GT5)
cutaway DRW
Cutaway Van DRW 3.73 ratio (opt GT4)
exc. cutaway
Cutaway Van SRW 9-1/2" ring gear
Cutaway Van SRW 10-1/2" ring gear
cutaway DRW 10-3/4" ring gear
Cutaway Van DRW 4.10 ratio (opt GT5)
30 Series DRW removable carrier early
30 Series SRW 3.42 axle ratio (opt GU6)
30 Series DRW removable carrier
30 Series drum rear brakes SRW
30 Series SRW 3.73 ratio (opt GT4)
30 Series SRW 4.56 ratio (opt HC4)
30 Series SRW 4.10 ratio (opt GT5)
30 Series SRW 3.21 ratio (opt HC8)
20 Series
30 Series DRW removable carrier late
cut-out cover 5" BC exc. SW
cut-out cover exc. SW
cut-out cover 5" BC
(round cover) 10-1/4x9-1/2 5" BC
cut-out cover 5" BC SW
round cover 11x10-1/4 5" BC exc. SW
round cover 10-1/4x9-1/2 5" BC
(round cover) 11x10-1/4 4-3/4" BC
(8.5" ring gear, w/rear disc brakes)
cut-out cover SW
3.73 ratio (opt GT4)
3.42 axle ratio (opt GU6)
4.10 ratio (opt GT5)
Standard Rear Axle Option Only
Standard Rear Axle Option Only
exc. Crew Cab 4x2 3.73 ratio (opt GT4)
4x2 3.08 ratio (opt GU4)
Crew Cab 3.73 ratio (opt GT4)
Regular Cab 4x4 4.10 ratio (opt GT5)
Regular Cab 4x2 3.73 ratio (opt GT4)
8.6" ring gear (10 bolt) brake opt JD9
4x4 3.73 ratio (opt GT4)
exc. Crew Cab 4x4 4.10 ratio (opt GT5)
4x2 3.73 ratio (opt GT4)
exc. Crew Cab 4x2 3.08 ratio (opt GU4)
10.5" ring gear 4.10 ratio (opt GT5)
full-floating axle 3.73 ratio (opt GT4)
semi-floating axle 4.10 ratio (opt GT5)
10.50" ring gear 4.10 ratio (opt GT5)
full-floating axle 4.10 ratio (opt GT5)
10.50" ring gear 3.73 ratio (opt GT4)
10.5" ring gear 3.73 ratio (opt GT4)
11.5" ring gear (3.73 ratio, opt GT4)
semi-floating axle 3.73 ratio (opt GT4)
11.50" ring gear (3.73 ratio, opt GT4)
SRW 3.73 ratio (opt GT4)
SRW 4.10 ratio (opt GT5)
Standard Rear Axle Option Only
MT (opt M10)
AT (opt M32)
4x4 3.73 ratio (opt GT4)
4x4 4.11 ratio (opt GT5)
4x4 12 bolt cover 3.73 ratio (opt GT4)
4x4 3.42 axle ratio (opt GU6)
4x4 3.08 ratio (opt GU4)
4x2 3.08 ratio (opt GU4)
4x2 2.73 ratio (opt GU2)
4x4 10 bolt cover 3.08 ratio (opt GU4)
4x4 12 bolt cover 3.08 ratio (opt GU4)
4x2 3.42 axle ratio (opt GU6)
4x4 14 bolt cover 3.73 ratio (opt GT4)
4x4 3.73 ratio (opt GT4)
4x4 12 bolt cover 3.73 ratio (opt GT4)
4x2 3.42 axle ratio (opt GU6)
4x2 3.08 ratio (opt GU4)
4x4 3.08 ratio (opt GU4)
4x4 8 lug wheel 3.73 ratio (opt GT4)
4x4 3.42 axle ratio (opt GU6)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x4 12 bolt cover 3.08 ratio (opt GU4)
4x2 semi-floating 3.23 ratio (opt GU5)
4x2 full-floating 4.10 ratio (opt GT5)
4x2 full-floating 3.21 ratio (opt HC8)
4x2 semi-floating 3.21 ratio (opt HC8)
4x4 3.42 axle ratio (opt GU6)
4x2 full-floating 3.73 ratio (opt GT4)
4x2 semi-floating 4.56 ratio (opt HC4)
4x2 full-floating 4.56 ratio (opt HC4)
4x4 3.73 ratio (opt GT4)
4x2 semi-floating 4.10 ratio (opt GT5)
4x4 3.42 axle ratio (opt GU6)
4x2 full-floating 3.73 ratio (opt GT4)
4x2 semi-floating 3.23 ratio (opt GU5)
4x2 4.10 ratio (opt GT5)
4x2 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 full-floating 3.21 ratio (opt HC8)
4x2 (3.73 ratio, opt GT4)
Classic style 4x4 3.73 ratio (opt GT4)
4 Dr 4x2 3.73 ratio (opt GT4)
4x2 3.42 axle ratio (opt GU6)
4 Dr 4x4 3.73 ratio (opt GT4)
2 Dr 4x2 3.08 ratio (opt GU4)
4x4 3.73 ratio (opt GT4)
4x2 w/o police 3.23 ratio (opt GU5)
4x4 3.42 axle ratio (opt GU6)
4x2 3.73 ratio (opt GT4)
4x2 w/o police 3.73 ratio (opt GT4)
ABS MT 2.0L (4.62 ratio)
ABS 2 Dr AT (4.30 ratio)
ABS 4 Dr (5.12 ratio)
AT (4.62 ratio)
ABS MT 1.6L (5.12 ratio)
ABS 2 Dr MT (5.12 ratio)
w/o ABS 2 Dr AT (4.30 ratio)
w/o ABS MT 2.0L (4.62 ratio)
w/o ABS MT 1.6L (5.12 ratio)
AT Fed (4.62 ratio)
4.2L 20" wheel 3.42 ratio
4.2L 17" wheel 3.42 ratio
4.2L 18" wheel 3.42 ratio
4.2L 17" wheel 4.10 ratio
5.3L 3.73 ratio
5.3L 4.10 ratio
4.2L 18" wheel 4.10 ratio
4.2L 20" wheel 3.73 ratio
6.0L
5.3L 3.42 ratio
Standard Rear Axle Option Only
(AWD)
(AWD)
(AWD)