Standard Rear Axle Option Only
3.90 ratio
3.55 ratio
3.21 ratio
Standard Rear Axle Option Only
4x2 4.56 ratio (opt HC4)
4x4 8 lug wheel 4.56 ratio (opt HC4)
4x4 full-floating 4.10 ratio (opt GT5)
4x4 6 lug wheel 4.10 ratio (opt GT5)
4x4 6 lug wheel 3.73 ratio (opt GT4)
4x2 full-floating 4.10 ratio (opt GT5)
4x4 3.42 axle ratio (opt GU6)
4x2 model VIN R 4.56 ratio (opt HC4)
4x2 full-floating 4.56 ratio (opt HC4)
4x2 3.42 axle ratio (opt GU6)
12 bolt cover 5 lug 3.55 ratio
12 bolt cover 5 lug 3.21 ratio
10 bolt cover 3.55 ratio
10 bolt cover 3.90 ratio
10 bolt cover 3.21 ratio
12 bolt cover 5 lug 3.90 ratio
10 bolt cover (Dana 60, 4.09 ratio)
12 bolt cover 8 lug (3.54 ratio)
4x2 SRW 4.10 ratio (opt GT5)
4x4 SRW 3.73 ratio (opt GT4)
4x2 SRW 4.56 ratio (opt HC4)
4x4 SRW 4.10 ratio (opt GT5)
4x4 SRW 3.42 axle ratio (opt GU6)
4x2 SRW 3.73 ratio (opt GT4)
4x2 SRW 3.42 axle ratio (opt GU6)
4x2 SRW 3.23 ratio (opt GU5)
4x4 SRW 4.56 ratio (opt HC4)
SRW 10 bolt cover
30 HD drum Rear brakes
DRW 146" WB 9-3/4" ring gear
DRW 6200 GVW 146" WB
SRW full-floating 13x2-1/2 brakes
exc. 30 HD DRW
DRW 125" WB 10-1/2" ring gear
DRW 6200 GVW 125" WB
DRW 10-1/2" ring gear 125" WB
exc. 30 HD SRW semi-floating
4x4 DRW 3.73 ratio (opt GT4)
4x2 DRW 4.10 ratio (opt GT5)
4x4 DRW 3.42 axle ratio (opt GU6)
4x4 DRW 4.56 ratio (opt HC4)
4x2 DRW 3.42 axle ratio (opt GU6)
4x2 DRW 4.56 ratio (opt HC4)
4x2 DRW 3.73 ratio (opt GT4)
4x4 DRW 4.10 ratio (opt GT5)
12 bolt cover 3.90 ratio
exc. 3500 HD SRW semi-floating
3500 HD w/o wide track
DRW 9-3/4" ring gear 125" WB
12 bolt cover 3.55 ratio
DRW 6200 GVW 125" WB
SRW semi-floating
10 bolt cover 5500 lb 4.10 ratio
DRW 125" WB 9-3/4" ring gear
DRW 6200 GVW 146" WB
2.56 ratio (opt GM8)
4.10 ratio (opt GT5)
3.23 ratio (opt GU5)
2.73 ratio (opt GU2)
4.11 ratio (opt HO4)
3.73 ratio (opt GT4)
3.08 ratio (opt GU4)
3.42 axle ratio (opt GU6)
4.10 ratio (opt GT5)
3.73 ratio (opt GT4)
3.73 ratio (opt GT4)
4.10 ratio (opt GT5)
MT transmission opt MV5
SS AT
LT AT 2.92 ratio (opt GW8)
SS MT
MT transmission opt M10
AT transmission opt MYC
AT 6.2L
MT transmission opt MM6 Z28
LS AT 2.92 ratio (opt GW8)
LT AT 3.27 ratio (opt GW6)
7.625" ring gear
round cover 11x10-1/4 5" BC SW
round cover 11x10-1/4 4-3/4" BC
cut-out cover 5" BC SW
round cover 11x10-1/4 5" BC exc. SW
(round cover) 11x10-1/4 Sdn 11" brakes
(round cover) 11x10-1/4 5" BC exc. SW
8.5" ring gear SW
cut-out cover 4-3/4" BC
cut-out cover SW
Standard Rear Axle Option Only
4x4 12 bolt cover 3.08 ratio (opt GU4)
4x4 10 bolt cover 2.56 ratio (opt GM8)
4x2 2.73 ratio (opt GU2)
4x4 3.42 axle ratio (opt GU6)
4x4 10 bolt cover 3.08 ratio (opt GU4)
4x4 10 bolt cover 2.73 ratio (opt GU2)
4x4 12 bolt cover 4.11 ratio (opt GT5)
4x4 3.73 ratio (opt GT4)
4x2 3.08 ratio (opt GU4)
4x4 12 bolt cover 3.73 ratio (opt GT4)
4x2 10 bolt cover 3.08 ratio (opt GU4)
4x2 4.10 ratio (opt GT5)
4x2 14 bolt cover (3.73 ratio, opt GT4)
4x2 3.73 ratio (opt GT4)
4x2 14 bolt cover 4.10 ratio (opt GT5)
4x2 2.73 ratio (opt GU2)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x2 3.08 ratio (opt GU4)
4x2 10 bolt cover 2.73 ratio (opt GU2)
4x4 14 bolt cover 3.73 ratio (opt GT4)
4x2 crew cab 3.42 axle ratio (opt GU6)
4x4 4.10 ratio (opt GT5)
4x2 crew cab 3.21 ratio (opt HC8)
4x2 crew cab 3.23 ratio (opt GU5)
4x4 3.42 axle ratio (opt GU6)
4x4 3.73 ratio (opt GT4)
4x2 crew cab 4.10 ratio (opt GT5)
4x2 crew cab 3.73 ratio (opt GT4)
4x4 3.21 ratio (opt HC8)
4x4 3.23 ratio (opt GU5)
4x4 4.10 ratio (opt GT5)
4x2 off road suspension (opt Z71)
4x4 3.42 axle ratio (opt GU6)
4x2 sport suspension (opt ZQ8)
4x4 3.73 ratio (opt GT4)
Standard Rear Axle Option Only
(AWD)
3.73 ratio (opt GT4)
active brake control (opt JL4)
3.42 axle ratio (opt GU6)
8600 GVW (opt C6P) 3.73 ratio (opt GT4)
9-3/4" ring gear 7300 GVW (opt C6A)
8600 GVW (opt C6P) 4.10 ratio (opt GT5)
10-1/2" ring gear (3.54 ratio, opt GH0)
full floating axle (13 x 3.5" brakes)
8500 GVW (opt C5F) 3.73 ratio (opt GT4)
10-1/2" ring gear
9-1/2" ring gear (3.42 ratio, opt GU6)
7300 GVW (opt C6A)
9-3/4" ring gear 4.10 ratio (opt GT5)
Cutaway Van SRW 9-1/2" ring gear
cutaway DRW
cutaway SRW 9-3/4" ring gear
cutaway DRW 10-3/4" ring gear
cutaway SRW 10-1/2" ring gear
cutaway SRW
cutaway DRW 4.10 ratio (opt GT5)
Cutaway Van DRW 4.10 ratio (opt GT5)
exc. cutaway 3.73 ratio (opt GT4)
Cutaway Van DRW 3.73 ratio (opt GT4)
30 Series SRW 3.21 ratio (opt HC8)
20 Series 3.73 ratio (opt GT4)
30 Series SRW 3.42 axle ratio (opt GU6)
30 Series SRW 4.56 ratio (opt HC4)
30 Series SRW 4.10 ratio (opt GT5)
30 Series DRW removable carrier
20 Series
30 Series SRW 3.23 ratio (opt GU5)
20 Series 3.42 axle ratio (opt GU6)
30 Series SRW 3.73 ratio (opt GT4)
cut-out cover 4-3/4" BC
cut-out cover 5" BC SW
round cover 11x10-1/4 4-3/4" BC
(8.5" ring gear, w/rear disc brakes)
round cover 11x10-1/4 5" BC exc. SW
cut-out cover exc. SW
(round cover) 11x10-1/4 5" BC
cut-out cover 5" BC
(round cover) 10-1/4x9-1/2 5" BC
cut-out cover SW
3.73 ratio (opt GT4)
4.10 ratio (opt GT5)
3.42 axle ratio (opt GU6)
Standard Rear Axle Option Only
Standard Rear Axle Option Only
Crew Cab 4.10 ratio (opt GT5)
4x2 3.08 ratio (opt GU4)
4x4 3.73 ratio (opt GT4)
exc. Crew Cab 4x4 4.10 ratio (opt GT5)
8.6" ring gear (10 bolt) brake opt JD9
4x4 4.10 ratio (opt GT5)
Crew Cab 3.73 ratio (opt GT4)
9.5" ring gear (14 bolt) brake opt JF3
exc. Crew Cab 4x2 3.08 ratio (opt GU4)
Regular Cab 4x2 3.73 ratio (opt GT4)
full-floating axle 3.73 ratio (opt GT4)
10.50" ring gear 4.10 ratio (opt GT5)
11.5" ring gear (3.73 ratio, opt GT4)
10.5" ring gear 3.73 ratio (opt GT4)
11.50" ring gear (3.73 ratio, opt GT4)
full-floating axle 4.10 ratio (opt GT5)
10.5" ring gear 4.10 ratio (opt GT5)
10.50" ring gear 3.73 ratio (opt GT4)
semi-floating axle 3.73 ratio (opt GT4)
semi-floating axle 4.10 ratio (opt GT5)
SRW 3.73 ratio (opt GT4)
SRW 4.10 ratio (opt GT5)
Standard Rear Axle Option Only
MT (opt M10)
AT (opt M32)
4x2 3.42 axle ratio (opt GU6)
4x4 10 bolt cover 3.08 ratio (opt GU4)
4x2 2.73 ratio (opt GU2)
4x4 12 bolt cover 3.73 ratio (opt GT4)
4x4 12 bolt cover 4.11 ratio (opt GT5)
4x4 4.11 ratio (opt GT5)
4x2 3.73 ratio (opt GT4)
4x4 3.08 ratio (opt GU4)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x4 12 bolt cover 3.08 ratio (opt GU4)
4x2 8 lug wheel 3.73 ratio (opt GT4)
4x4 12 bolt cover 4.11 ratio (opt GT5)
4x2 5 lug wheel 3.73 ratio (opt GT4)
4x4 3.73 ratio (opt GT4)
4x2 3.42 axle ratio (opt GU6)
4x2 3.73 ratio (opt GT4)
4x4 12 bolt cover 3.73 ratio (opt GT4)
4x4 4.10 ratio (opt GT5)
4x4 10 bolt cover 3.08 ratio (opt GU4)
4x2 4.10 ratio (opt GT5)
4x2 full-floating 3.73 ratio (opt GT4)
4x4 4.10 ratio (opt GT5)
4x2 semi-floating 4.56 ratio (opt HC4)
4x2 semi-floating 3.73 ratio (opt GT4)
4x2 semi-floating 4.10 ratio (opt GT5)
4x4 3.73 ratio (opt GT4)
4x2 full-floating 4.10 ratio (opt GT5)
4x2 full-floating 4.56 ratio (opt HC4)
4x2 semi-floating 3.23 ratio (opt GU5)
4x2 full-floating 3.21 ratio (opt HC8)
4x2 full-floating 3.73 ratio (opt GT4)
4x2 4.10 ratio (opt GT5)
4x2 semi-floating 3.21 ratio (opt HC8)
4x2 full-floating 4.56 ratio (opt HC4)
4x2 semi-floating 3.73 ratio (opt GT4)
4x4 3.42 axle ratio (opt GU6)
4x2 full-floating 4.10 ratio (opt GT5)
4x2 full-floating 3.21 ratio (opt HC8)
4x2 semi-floating 4.10 ratio (opt GT5)
4x4 4.10 ratio (opt GT5)
2 Dr 4x2 3.73 ratio (opt GT4)
4x4 3.73 ratio (opt GT4)
4x2 w/o police 3.23 ratio (opt GU5)
4x2 3.73 ratio (opt GT4)
2 Dr 4x4 3.42 axle ratio (opt GU6)
4x4 4.10 ratio (opt GT5)
2 Dr 4x2 3.42 axle ratio (opt GU6)
4x2 w/o police 4.10 ratio (opt GT5)
2 Dr 4x4 3.73 ratio (opt GT4)
4x2 w/o police 3.73 ratio (opt GT4)
ABS MT 1.6L (5.12 ratio)
w/o ABS MT (4.62 ratio)
ABS 4 Dr (5.12 ratio)
w/o ABS 4 Dr (5.12 ratio)
ABS 2 Dr MT (5.12 ratio)
w/o ABS 2 Dr AT (4.30 ratio)
MT (5.12 ratio)
AT Fed (4.62 ratio)
AT Calif (4.30 ratio)
w/o ABS MT 1.6L (5.12 ratio)
5.3L 3.73 ratio
4.2L 20" wheel 3.73 ratio
4.2L 17" wheel 3.73 ratio
6.0L
4.2L 20" wheel 3.42 ratio
4.2L 18" wheel 4.10 ratio
4.2L 18" wheel 3.73 ratio
5.3L 4.10 ratio
4.2L 17" wheel 3.42 ratio
4.2L 18" wheel 3.42 ratio
Standard Rear Axle Option Only
(AWD)
(AWD)
(AWD)