Standard Rear Axle Option Only
3.90 ratio
3.55 ratio
3.21 ratio
Standard Rear Axle Option Only
4x2 full-floating 4.56 ratio (opt HC4)
4x2 full-floating 4.10 ratio (opt GT5)
4x2 full-floating 3.73 ratio (opt GT4)
4x2 model VIN R 4.10 ratio (opt GT5)
4x4 8 lug wheel 4.56 ratio (opt HC4)
4x2 4.10 ratio (opt GT5)
4x2 3.73 ratio (opt GT4)
4x2 4.56 ratio (opt HC4)
4x4 4.10 ratio (opt GT5)
4x4 full-floating 3.73 ratio (opt GT4)
12 bolt cover 5 lug 3.90 ratio
12 bolt cover 5 lug 3.21 ratio
10 bolt cover 3.21 ratio
10 bolt cover 3.90 ratio
10 bolt cover (Dana 60, 4.09 ratio)
10 bolt cover 3.55 ratio
12 bolt cover 8 lug (3.54 ratio)
12 bolt cover 5 lug 3.55 ratio
4x2 SRW 3.23 ratio (opt GU5)
4x2 SRW 3.73 ratio (opt GT4)
4x4 SRW 3.73 ratio (opt GT4)
4x4 SRW 4.56 ratio (opt HC4)
4x2 SRW 4.56 ratio (opt HC4)
4x4 SRW 3.42 axle ratio (opt GU6)
4x4 SRW 4.10 ratio (opt GT5)
4x2 SRW 3.42 axle ratio (opt GU6)
4x2 SRW 4.10 ratio (opt GT5)
SRW 10 bolt cover
DRW 146" WB 9-3/4" ring gear
DRW 7500 GVW (146" WB)
DRW 5700 GVW (125" WB, 8-454)
SRW full-floating
SRW full-floating 13x3-1/2 brakes
DRW 9-3/4" ring gear 125" WB
DRW 7500 GVW
SRW full-floating 13x2-1/2 brakes
30 HD drum Rear brakes
4x4 DRW 3.42 axle ratio (opt GU6)
4x2 DRW 3.73 ratio (opt GT4)
4x2 DRW 3.42 axle ratio (opt GU6)
4x2 DRW 4.56 ratio (opt HC4)
4x4 DRW 3.73 ratio (opt GT4)
4x2 DRW 4.10 ratio (opt GT5)
4x4 DRW 4.10 ratio (opt GT5)
4x4 DRW 4.56 ratio (opt HC4)
SRW semi-floating
SRW full-floating 13x3-1/2 brakes
10 bolt cover 6200 lb 4.10 ratio
3500 HD wide track (opt 5T2)
DRW 10-1/2" ring gear 125" WB
exc. 3500 HD SRW semi-floating
DRW 7500 GVW (146" WB)
DRW 125" WB 9-3/4" ring gear
12 bolt cover 3.21 ratio
12 bolt cover 3.90 ratio
3.08 ratio (opt GU4)
4.10 ratio (opt GT5)
2.56 ratio (opt GM8)
3.42 axle ratio (opt GU6)
3.23 ratio (opt GU5)
2.73 ratio (opt GU2)
3.73 ratio (opt GT4)
4.11 ratio (opt HO4)
3.73 ratio (opt GT4)
4.10 ratio (opt GT5)
3.73 ratio (opt GT4)
4.10 ratio (opt GT5)
AT transmission opt MYC
MT transmission opt MM6 SS
LT MT
disc rear brakes 9 bolt cover
disc rear brakes w/o traction control
disc rear brakes aluminum caliper
ZL1 MT
MT 6.2L
disc rear brakes 10 bolt cover
MT transmission opt MM6
(round cover) 10-1/4x9-1/2 4-3/4" BC
round cover 11x10-1/4 5" BC
7.625" ring gear
round cover 10-1/4x9-1/2 5" BC
(round cover) 11x10-1/4 5" BC SW
round cover 11x10-1/4 5" BC exc. SW
cut-out cover 4-3/4" BC
(round cover) 11x10-1/4 Sdn 9.5" brakes
(round cover) 11x10-1/4 Sdn 11" brakes
(round cover) 11x10-1/4 5" BC exc. SW
Standard Rear Axle Option Only
4x4 12 bolt cover 3.73 ratio (opt GT4)
4x4 10 bolt cover 2.73 ratio (opt GU2)
4x4 12 bolt cover 4.11 ratio (opt GT5)
4x4 12 bolt cover 2.56 ratio (opt GM8)
4x4 10 bolt cover 3.08 ratio (opt GU4)
4x2 3.73 ratio (opt GT4)
4x4 3.08 ratio (opt GU4)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x4 2.73 ratio (opt GU2)
4x4 3.42 axle ratio (opt GU6)
4x2 10 bolt cover 3.73 ratio (opt GT4)
4x2 4.10 ratio (opt GT5)
4x2 14 bolt cover (3.73 ratio, opt GT4)
4x2 14 bolt cover 4.10 ratio (opt GT5)
4x4 10 bolt cover 4.10 ratio (opt GT5)
4x2 10 bolt cover 2.73 ratio (opt GU2)
4x4 14 bolt cover 3.73 ratio (opt GT4)
4x2 14 bolt cover 3.73 ratio (opt GT4)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x2 10 bolt cover 3.08 ratio (opt GU4)
4x2 crew cab 4.56 ratio (opt HC4)
4x4 3.73 ratio (opt GT4)
4x4 3.42 axle ratio (opt GU6)
4x4 3.23 ratio (opt GU5)
4x4 3.21 ratio (opt HC8)
4x2 crew cab 3.23 ratio (opt GU5)
4x2 crew cab 3.21 ratio (opt HC8)
4x2 crew cab 4.10 ratio (opt GT5)
4x2 crew cab 3.42 axle ratio (opt GU6)
4x2 crew cab 3.73 ratio (opt GT4)
4x2 off road suspension (opt Z71)
4x2 sport suspension (opt ZQ8)
4x4 3.42 axle ratio (opt GU6)
4x4 3.73 ratio (opt GT4)
4x4 4.10 ratio (opt GT5)
Standard Rear Axle Option Only
(AWD)
3.42 axle ratio (opt GU6)
3.73 ratio (opt GT4)
active brake control (opt JL4)
8600 GVW (opt C6P) 3.73 ratio (opt GT4)
8600 GVW (opt C6P) 4.10 ratio (opt GT5)
9-3/4" ring gear 7300 GVW (opt C6A)
8500 GVW (opt C5F) 3.73 ratio (opt GT4)
full floating axle (13 x 3.5" brakes)
7300 GVW (opt C6A)
10-1/2" ring gear
9-3/4" ring gear 3.73 ratio (opt GT4)
8500 GVW (opt C5F) 4.10 ratio (opt GT5)
10-1/2" ring gear (3.54 ratio, opt GH0)
cutaway SRW 9-1/2" ring gear
cutaway SRW
cutaway SRW 10-1/2" ring gear
Cutaway Van DRW 4.10 ratio (opt GT5)
Cutaway Van SRW 10-1/2" ring gear
cutaway DRW 3.73 ratio (opt GT4)
exc. cutaway
cutaway SRW 9-3/4" ring gear
exc. cutaway 4.10 ratio (opt GT5)
cutaway DRW 4.10 ratio (opt GT5)
20 Series 3.42 axle ratio (opt GU6)
30 Series SRW 3.23 ratio (opt GU5)
30 Series SRW 4.56 ratio (opt HC4)
20 Series 3.73 ratio (opt GT4)
30 Series SRW 4.10 ratio (opt GT5)
20 Series 4.10 ratio (opt GT5)
30 Series DRW removable carrier
30 Series DRW removable carrier late
20 Series
30 Series DRW removable carrier early
cut-out cover 5" BC SW
(round cover) 11x10-1/4 5" BC
cut-out cover 5" BC exc. SW
cut-out cover 5" BC
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
round cover 10-1/4x9-1/2 4-3/4" BC
cut-out cover exc. SW
round cover 11x10-1/4 5" BC 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
Regular Cab 4x2 3.73 ratio (opt GT4)
Crew Cab 4.10 ratio (opt GT5)
4x2 3.08 ratio (opt GU4)
exc. Crew Cab 4x4 3.73 ratio (opt GT4)
Regular Cab 4x4 4.10 ratio (opt GT5)
4x4 3.73 ratio (opt GT4)
exc. Crew Cab 4x2 3.73 ratio (opt GT4)
exc. Crew Cab 4x2 3.08 ratio (opt GU4)
4x2 3.73 ratio (opt GT4)
4x2 3.42 axle ratio (opt GU6)
semi-floating axle 3.73 ratio (opt GT4)
10.5" ring gear 4.10 ratio (opt GT5)
10.50" ring gear 4.10 ratio (opt GT5)
semi-floating axle 4.10 ratio (opt GT5)
full-floating axle 3.73 ratio (opt GT4)
10.5" ring gear 3.73 ratio (opt GT4)
10.50" ring gear 3.73 ratio (opt GT4)
11.5" ring gear (3.73 ratio, opt GT4)
full-floating axle 4.10 ratio (opt GT5)
11.50" 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)
4x4 3.08 ratio (opt GU4)
4x2 3.42 axle ratio (opt GU6)
4x4 4.11 ratio (opt GT5)
4x4 10 bolt cover 3.08 ratio (opt GU4)
4x4 3.42 axle ratio (opt GU6)
4x4 3.73 ratio (opt GT4)
4x4 12 bolt cover 4.11 ratio (opt GT5)
4x2 2.73 ratio (opt GU2)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x2 2.73 ratio (opt GU2)
4x2 3.08 ratio (opt GU4)
4x2 3.42 axle ratio (opt GU6)
4x4 3.73 ratio (opt GT4)
4x4 4.10 ratio (opt GT5)
4x4 8 lug wheel 3.73 ratio (opt GT4)
4x4 3.42 axle ratio (opt GU6)
4x4 6 lug wheel 3.73 ratio (opt GT4)
4x4 10 bolt cover 3.08 ratio (opt GU4)
4x2 8 lug wheel 3.73 ratio (opt GT4)
4x2 semi-floating 3.73 ratio (opt GT4)
4x4 3.73 ratio (opt GT4)
4x2 full-floating 4.56 ratio (opt HC4)
4x2 full-floating 4.10 ratio (opt GT5)
4x2 semi-floating 3.21 ratio (opt HC8)
4x4 4.10 ratio (opt GT5)
4x2 semi-floating 3.23 ratio (opt GU5)
4x4 3.42 axle ratio (opt GU6)
4x2 full-floating 3.73 ratio (opt GT4)
4x2 semi-floating 4.56 ratio (opt HC4)
4x4 3.73 ratio (opt GT4)
4x2 full-floating 3.21 ratio (opt HC8)
4x2 full-floating 4.10 ratio (opt GT5)
4x2 full-floating 4.56 ratio (opt HC4)
4x4 3.42 axle ratio (opt GU6)
4x2 full-floating 3.73 ratio (opt GT4)
4x4 4.10 ratio (opt GT5)
4x2 semi-floating 3.23 ratio (opt GU5)
4x2 semi-floating 3.73 ratio (opt GT4)
4x2 (3.73 ratio, opt GT4)
4 Dr 4x2 3.08 ratio (opt GU4)
4x4 3.73 ratio (opt GT4)
4x4 4.10 ratio (opt GT5)
4x2 3.73 ratio (opt GT4)
2 Dr 4x2 3.42 axle ratio (opt GU6)
4x2 w/o police 3.73 ratio (opt GT4)
4x2 w/o police 4.10 ratio (opt GT5)
4x4 3.42 axle ratio (opt GU6)
2 Dr 4x4 3.42 axle ratio (opt GU6)
4x2 3.42 axle ratio (opt GU6)
w/o ABS MT (4.62 ratio)
w/o ABS MT 1.6L (5.12 ratio)
AT Fed (4.62 ratio)
w/o ABS MT 2.0L (4.62 ratio)
AT Calif (4.30 ratio)
ABS 4 Dr (5.12 ratio)
ABS 2 Dr AT (4.30 ratio)
ABS MT (4.62 ratio)
ABS MT 1.6L (5.12 ratio)
MT (5.12 ratio)
4.2L 18" wheel 3.73 ratio
6.0L
4.2L 18" wheel 3.42 ratio
5.3L 4.10 ratio
4.2L 18" wheel 4.10 ratio
5.3L 3.42 ratio
4.2L 20" wheel 3.73 ratio
4.2L 17" wheel 4.10 ratio
4.2L 20" wheel 3.42 ratio
4.2L 17" wheel 3.42 ratio
Standard Rear Axle Option Only
(AWD)
(AWD)
(AWD)