Standard Rear Axle Option Only
3.55 ratio
3.21 ratio
3.90 ratio
Standard Rear Axle Option Only
4x2 full-floating 3.73 ratio (opt GT4)
4x4 full-floating 3.73 ratio (opt GT4)
4x2 model VIN R 4.10 ratio (opt GT5)
4x4 full-floating 4.10 ratio (opt GT5)
4x2 model VIN R 3.73 ratio (opt GT4)
4x4 6 lug wheel 3.73 ratio (opt GT4)
4x2 3.73 ratio (opt GT4)
4x4 4.10 ratio (opt GT5)
4x4 3.73 ratio (opt GT4)
4x2 full-floating 4.56 ratio (opt HC4)
10 bolt cover (Dana 60, 4.09 ratio)
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 3.55 ratio
12 bolt cover 5 lug 3.90 ratio
12 bolt cover 8 lug (3.54 ratio)
4x4 SRW 3.42 axle ratio (opt GU6)
4x2 SRW 3.42 axle ratio (opt GU6)
4x2 SRW 4.10 ratio (opt GT5)
4x2 SRW 3.23 ratio (opt GU5)
4x4 SRW 4.56 ratio (opt HC4)
4x4 SRW 3.73 ratio (opt GT4)
4x2 SRW 4.56 ratio (opt HC4)
4x4 SRW 4.10 ratio (opt GT5)
4x2 SRW 3.73 ratio (opt GT4)
DRW 10-1/2" ring gear 125" WB
exc. 30 HD DRW
30 HD drum Rear brakes
DRW 7500 GVW (146" WB)
SRW 10 bolt cover
SRW full-floating 13x3-1/2 brakes
DRW 146" WB 9-3/4" ring gear
30 HD wide track (opt 5T2)
DRW 9-3/4" ring gear 146" WB
SRW full-floating
4x2 DRW 3.73 ratio (opt GT4)
4x4 DRW 4.10 ratio (opt GT5)
4x4 DRW 3.73 ratio (opt GT4)
4x4 DRW 3.42 axle ratio (opt GU6)
4x2 DRW 4.10 ratio (opt GT5)
4x4 DRW 4.56 ratio (opt HC4)
4x2 DRW 4.56 ratio (opt HC4)
4x2 DRW 3.42 axle ratio (opt GU6)
DRW 125" WB 10-1/2" ring gear
10 bolt cover 5500 lb 4.10 ratio
DRW 6200 GVW 146" WB
exc. 3500 HD DRW
12 bolt cover 3.21 ratio
DRW 9-3/4" ring gear 146" WB
DRW 146" WB 10-1/2" ring gear
DRW 5700 GVW (125" WB, 8-454)
3500 HD drum Rear brakes
10 bolt cover 6200 lb 3.55 ratio
4.10 ratio (opt GT5)
3.42 axle ratio (opt GU6)
3.08 ratio (opt GU4)
3.23 ratio (opt GU5)
2.56 ratio (opt GM8)
4.11 ratio (opt HO4)
3.73 ratio (opt GT4)
2.73 ratio (opt GU2)
4.10 ratio (opt GT5)
3.73 ratio (opt GT4)
3.73 ratio (opt GT4)
4.10 ratio (opt GT5)
SS AT
AT transmission opt MYC
MT 6.2L
ZL1 AT
MT transmission opt MM6
AT 3.6L
LS AT 2.92 ratio (opt GW8)
LS MT
LT AT 3.27 ratio (opt GW6)
SS MT
(round cover) 11x10-1/4 4-3/4" BC
round cover 11x10-1/4 4-3/4" BC
(round cover) 11x10-1/4 5" BC SW
(round cover) 10-1/4x9-1/2
(round cover) 11x10-1/4 5" BC exc. SW
(round cover) 11x10-1/4 SW
round cover 11x10-1/4 5" BC SW
(round cover) 11x10-1/4 Sdn 9.5" brakes
cut-out cover 5" BC SW
7.625" ring gear
Standard Rear Axle Option Only
4x4 2.73 ratio (opt GU2)
4x4 3.42 axle ratio (opt GU6)
4x2 2.56 ratio (opt GM8)
4x4 12 bolt cover 2.56 ratio (opt GM8)
4x4 12 bolt cover 2.73 ratio (opt GU2)
4x4 10 bolt cover 2.73 ratio (opt GU2)
4x4 10 bolt cover 2.56 ratio (opt GM8)
4x4 12 bolt cover 4.11 ratio (opt GT5)
4x4 3.08 ratio (opt GU4)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x4 10 bolt cover 4.10 ratio (opt GT5)
4x2 3.73 ratio (opt GT4)
4x2 3.08 ratio (opt GU4)
4x2 10 bolt cover 2.73 ratio (opt GU2)
4x2 2.73 ratio (opt GU2)
4x2 10 bolt cover 3.73 ratio (opt GT4)
4x2 3.42 axle ratio (opt GU6)
4x2 10 bolt cover 3.08 ratio (opt GU4)
4x2 10 bolt cover 4.10 ratio (opt GT5)
4x4 14 bolt cover 3.73 ratio (opt GT4)
4x4 3.42 axle ratio (opt GU6)
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 3.23 ratio (opt GU5)
4x2 crew cab 4.10 ratio (opt GT5)
4x4 3.73 ratio (opt GT4)
4x4 4.10 ratio (opt GT5)
4x2 crew cab 3.21 ratio (opt HC8)
4x2 crew cab 3.73 ratio (opt GT4)
4x2 sport suspension (opt ZQ8)
4x2 off road suspension (opt Z71)
4x4 4.10 ratio (opt GT5)
4x4 3.42 axle ratio (opt GU6)
4x4 3.73 ratio (opt GT4)
Standard Rear Axle Option Only
(AWD)
active brake control (opt JL4)
3.73 ratio (opt GT4)
3.42 axle ratio (opt GU6)
8600 GVW (opt C6P) 4.10 ratio (opt GT5)
10-1/2" ring gear (3.54 ratio, opt GH0)
8500 GVW (opt C5F) 4.10 ratio (opt GT5)
7300 GVW (opt C6A)
8500 GVW (opt C5F) 3.73 ratio (opt GT4)
9-3/4" ring gear 7300 GVW (opt C6A)
10-1/2" ring gear
full floating axle (13 x 3.5" brakes)
9-3/4" ring gear 3.73 ratio (opt GT4)
8600 GVW (opt C6P) 3.73 ratio (opt GT4)
exc. cutaway
cutaway SRW
Cutaway Van DRW 4.10 ratio (opt GT5)
cutaway DRW
cutaway DRW 10-3/4" ring gear
cutaway SRW 9-3/4" ring gear
cutaway DRW 3.73 ratio (opt GT4)
cutaway SRW 10-1/2" ring gear
exc. cutaway 3.73 ratio (opt GT4)
Cutaway Van SRW 10-1/2" ring gear
20 Series 4.10 ratio (opt GT5)
30 Series SRW 3.23 ratio (opt GU5)
30 Series drum rear brakes DRW
30 Series DRW removable carrier
30 Series DRW removable carrier early
30 Series SRW 3.42 axle ratio (opt GU6)
30 Series SRW 4.10 ratio (opt GT5)
30 Series DRW removable carrier late
30 Series SRW 3.73 ratio (opt GT4)
20 Series 4.56 ratio (opt HC4)
round cover 11x10-1/4 5" BC SW
cut-out cover SW
cut-out cover 5" BC exc. SW
(round cover) 10-1/4x9-1/2 5" BC
cut-out cover exc. SW
round cover 11x10-1/4 5" BC
round cover 11x10-1/4 4-3/4" BC
cut-out cover 5" BC
cut-out cover 4-3/4" BC
(8.5" ring gear, w/rear disc brakes)
4.10 ratio (opt GT5)
3.73 ratio (opt GT4)
3.42 axle ratio (opt GU6)
Standard Rear Axle Option Only
Standard Rear Axle Option Only
4x4 3.73 ratio (opt GT4)
4x2 3.42 axle ratio (opt GU6)
8.6" ring gear (10 bolt) brake opt JD9
Regular Cab 4x2 3.08 ratio (opt GU4)
exc. Crew Cab 4x4 3.73 ratio (opt GT4)
Crew Cab 4.10 ratio (opt GT5)
Regular Cab 4x2 3.73 ratio (opt GT4)
exc. Crew Cab 4x2 3.73 ratio (opt GT4)
Regular Cab 4x4 4.10 ratio (opt GT5)
4x4 4.10 ratio (opt GT5)
11.50" ring gear (3.73 ratio, opt GT4)
10.50" ring gear 4.10 ratio (opt GT5)
semi-floating axle 4.10 ratio (opt GT5)
semi-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)
11.5" ring gear (3.73 ratio, opt GT4)
full-floating axle 4.10 ratio (opt GT5)
full-floating axle 3.73 ratio (opt GT4)
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
MT (opt M10)
AT (opt M32)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x4 12 bolt cover 4.11 ratio (opt GT5)
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)
4x2 3.73 ratio (opt GT4)
4x2 2.73 ratio (opt GU2)
4x2 3.08 ratio (opt GU4)
4x4 3.08 ratio (opt GU4)
4x4 3.73 ratio (opt GT4)
4x4 3.73 ratio (opt GT4)
4x4 12 bolt cover 4.11 ratio (opt GT5)
4x2 5 lug wheel 3.73 ratio (opt GT4)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x4 12 bolt cover 3.08 ratio (opt GU4)
4x2 3.73 ratio (opt GT4)
4x4 10 bolt cover 3.08 ratio (opt GU4)
4x2 8 lug wheel 3.73 ratio (opt GT4)
4x4 3.08 ratio (opt GU4)
4x4 12 bolt cover 3.73 ratio (opt GT4)
4x2 semi-floating 3.21 ratio (opt HC8)
4x2 semi-floating 3.73 ratio (opt GT4)
4x4 3.73 ratio (opt GT4)
4x2 semi-floating 4.56 ratio (opt HC4)
4x2 full-floating 3.21 ratio (opt HC8)
4x2 semi-floating 4.10 ratio (opt GT5)
4x2 full-floating 3.73 ratio (opt GT4)
4x4 4.10 ratio (opt GT5)
4x2 full-floating 4.10 ratio (opt GT5)
4x4 3.42 axle ratio (opt GU6)
4x2 (3.73 ratio, opt GT4)
4x2 full-floating 4.56 ratio (opt HC4)
4x4 3.73 ratio (opt GT4)
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 3.73 ratio (opt GT4)
4x2 full-floating 3.21 ratio (opt HC8)
4x2 semi-floating 4.56 ratio (opt HC4)
Classic style 4x4 3.73 ratio (opt GT4)
2 Dr 4x2 3.08 ratio (opt GU4)
2 Dr 4x4 3.42 axle ratio (opt GU6)
4 Dr 4x2 3.08 ratio (opt GU4)
4x2 3.42 axle ratio (opt GU6)
4 Dr 4x2 3.73 ratio (opt GT4)
4x2 w/o police 4.10 ratio (opt GT5)
4x2 police (opt PPV)
4x4 3.42 axle ratio (opt GU6)
4 Dr 4x4 3.73 ratio (opt GT4)
MT (5.12 ratio)
AT Calif (4.30 ratio)
ABS 2 Dr MT (5.12 ratio)
w/o ABS AT (4.88 ratio)
ABS 2 Dr AT (4.30 ratio)
AT Fed (4.62 ratio)
w/o ABS MT 2.0L (4.62 ratio)
ABS MT 2.0L (4.62 ratio)
AT (4.62 ratio)
ABS MT (4.62 ratio)
5.3L 4.10 ratio
4.2L 18" wheel 3.42 ratio
4.2L 17" wheel 3.42 ratio
4.2L 17" wheel 4.10 ratio
4.2L 18" wheel 3.73 ratio
4.2L 18" wheel 4.10 ratio
4.2L 17" wheel 3.73 ratio
6.0L
4.2L 20" wheel 3.42 ratio
5.3L 3.42 ratio
Standard Rear Axle Option Only
(AWD)
(AWD)
(AWD)