Standard Rear Axle Option Only
3.21 ratio
3.55 ratio
3.90 ratio
Standard Rear Axle Option Only
4x2 model VIN R 4.56 ratio (opt HC4)
4x4 4.10 ratio (opt GT5)
4x4 3.73 ratio (opt GT4)
4x4 8 lug wheel 4.10 ratio (opt GT5)
4x2 model VIN R 3.73 ratio (opt GT4)
4x4 6 lug wheel 3.73 ratio (opt GT4)
4x2 4.10 ratio (opt GT5)
4x4 3.42 axle ratio (opt GU6)
4x4 full-floating 3.73 ratio (opt GT4)
4x4 full-floating 4.56 ratio (opt HC4)
10 bolt cover 3.90 ratio
10 bolt cover (Dana 60, 4.09 ratio)
12 bolt cover 5 lug 3.90 ratio
10 bolt cover 3.21 ratio
12 bolt cover 5 lug 3.21 ratio
12 bolt cover 5 lug 3.55 ratio
10 bolt cover 3.55 ratio
12 bolt cover 8 lug (3.54 ratio)
4x4 SRW 4.10 ratio (opt GT5)
4x4 SRW 3.73 ratio (opt GT4)
4x2 SRW 4.10 ratio (opt GT5)
4x2 SRW 4.56 ratio (opt HC4)
4x4 SRW 3.42 axle ratio (opt GU6)
4x2 SRW 3.73 ratio (opt GT4)
4x4 SRW 4.56 ratio (opt HC4)
4x2 SRW 3.23 ratio (opt GU5)
4x2 SRW 3.42 axle ratio (opt GU6)
30 HD wide track (opt 5T2)
DRW 7500 GVW (146" WB)
SRW full-floating 13x2-1/2 brakes
DRW 10-1/2" ring gear 125" WB
DRW 7500 GVW
SRW semi-floating
DRW 5700 GVW (125" WB, 8-454)
exc. 30 HD SRW semi-floating
SRW 14 bolt cover
exc. 30 HD DRW
4x2 DRW 3.73 ratio (opt GT4)
4x4 DRW 4.56 ratio (opt HC4)
4x2 DRW 4.10 ratio (opt GT5)
4x4 DRW 3.73 ratio (opt GT4)
4x4 DRW 3.42 axle ratio (opt GU6)
4x4 DRW 4.10 ratio (opt GT5)
4x2 DRW 4.56 ratio (opt HC4)
4x2 DRW 3.42 axle ratio (opt GU6)
exc. 3500 HD SRW semi-floating
DRW 146" WB 10-1/2" ring gear
DRW 9-3/4" ring gear 146" WB
10 bolt cover 6200 lb 4.10 ratio
10 bolt cover 6200 lb 3.55 ratio
exc. 3500 HD DRW
SRW 10 bolt cover
SRW full-floating 13x2-1/2 brakes
DRW 10-1/2" ring gear 146" WB
DRW 6200 GVW 125" WB
3.08 ratio (opt GU4)
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)
3.23 ratio (opt GU5)
3.73 ratio (opt GT4)
4.10 ratio (opt GT5)
4.10 ratio (opt GT5)
3.73 ratio (opt GT4)
LT AT 2.92 ratio (opt GW8)
ZL1 MT
w/o traction control
AT 6.2L
MT transmission opt MG9
MT transmission opt MM6 Z28
MT transmission opt MM6
drum rear brakes
MT 3.6L
disc rear brakes 9 bolt cover
(round cover) 10-1/4x9-1/2 4-3/4" BC
(round cover) 11x10-1/4 4-3/4" BC
round cover 11x10-1/4 5" BC
round cover 11x10-1/4 4-3/4" BC
8.5" ring gear SW
round cover 11x10-1/4 5" BC exc. SW
cut-out cover exc. SW
(round cover) 10-1/4x9-1/2 5" BC
7.625" ring gear
cut-out cover SW
Standard Rear Axle Option Only
4x2 2.73 ratio (opt GU2)
4x4 10 bolt cover 3.08 ratio (opt GU4)
4x4 12 bolt cover 2.73 ratio (opt GU2)
4x4 10 bolt cover 2.56 ratio (opt GM8)
4x4 12 bolt cover 2.56 ratio (opt GM8)
4x4 3.42 axle ratio (opt GU6)
4x4 3.73 ratio (opt GT4)
4x2 3.73 ratio (opt GT4)
4x2 2.56 ratio (opt GM8)
4x4 12 bolt cover 3.73 ratio (opt GT4)
4x2 10 bolt cover 4.10 ratio (opt GT5)
4x4 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)
4x2 10 bolt cover 3.73 ratio (opt GT4)
4x2 3.73 ratio (opt GT4)
4x4 14 bolt cover 3.73 ratio (opt GT4)
4x2 14 bolt cover (3.73 ratio, opt GT4)
4x2 3.42 axle ratio (opt GU6)
4x2 2.73 ratio (opt GU2)
4x4 3.23 ratio (opt GU5)
4x2 crew cab 4.10 ratio (opt GT5)
4x4 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)
4x4 3.73 ratio (opt GT4)
4x2 crew cab 3.23 ratio (opt GU5)
4x2 crew cab 3.73 ratio (opt GT4)
4x2 crew cab 3.42 axle ratio (opt GU6)
4x4 4.10 ratio (opt GT5)
4x2 off road suspension (opt Z71)
4x2 sport suspension (opt ZQ8)
4x4 3.73 ratio (opt GT4)
4x4 3.42 axle ratio (opt GU6)
Standard Rear Axle Option Only
(AWD)
3.73 ratio (opt GT4)
3.42 axle ratio (opt GU6)
active brake control (opt JL4)
7300 GVW (opt C6A)
9-1/2" ring gear (3.42 ratio, opt GU6)
10-1/2" ring gear
8500 GVW (opt C5F) 4.10 ratio (opt GT5)
8600 GVW (opt C6P) 3.73 ratio (opt GT4)
8500 GVW (opt C5F) 3.73 ratio (opt GT4)
9-3/4" ring gear 3.73 ratio (opt GT4)
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)
cutaway DRW 10-3/4" ring gear
cutaway DRW 10-1/2" ring gear
cutaway SRW 10-1/2" ring gear
exc. cutaway 4.10 ratio (opt GT5)
exc. cutaway 3.73 ratio (opt GT4)
Cutaway Van DRW 4.10 ratio (opt GT5)
cutaway DRW
cutaway SRW 9-3/4" ring gear
exc. cutaway
cutaway SRW
20 Series
30 Series SRW 3.42 axle ratio (opt GU6)
30 Series SRW 4.10 ratio (opt GT5)
30 Series SRW 4.56 ratio (opt HC4)
20 Series 4.10 ratio (opt GT5)
30 Series DRW removable carrier early
30 Series SRW 3.73 ratio (opt GT4)
30 Series SRW 3.21 ratio (opt HC8)
30 Series drum rear brakes SRW
20 Series 3.42 axle ratio (opt GU6)
cut-out cover 4-3/4" BC
cut-out cover SW
round cover 11x10-1/4 5" BC exc. SW
cut-out cover 5" BC
(round cover) 10-1/4x9-1/2 4-3/4" BC
round cover 11x10-1/4 5" BC SW
(round cover) 10-1/4x9-1/2 5" BC
cut-out cover exc. SW
round cover 10-1/4x9-1/2 4-3/4" BC
(8.5" ring gear, w/rear disc brakes)
3.42 axle ratio (opt GU6)
3.73 ratio (opt GT4)
4.10 ratio (opt GT5)
Standard Rear Axle Option Only
Standard Rear Axle Option Only
exc. Crew Cab 4x4 3.73 ratio (opt GT4)
4x4 3.73 ratio (opt GT4)
Crew Cab 4.10 ratio (opt GT5)
Regular Cab 4x4 3.73 ratio (opt GT4)
4x2 3.73 ratio (opt GT4)
Regular Cab 4x4 4.10 ratio (opt GT5)
Regular Cab 4x2 3.73 ratio (opt GT4)
exc. Crew Cab 4x4 4.10 ratio (opt GT5)
4x4 4.10 ratio (opt GT5)
9.5" ring gear (14 bolt) brake opt JF3
semi-floating axle 4.10 ratio (opt GT5)
10.50" ring gear 4.10 ratio (opt GT5)
10.5" ring gear 4.10 ratio (opt GT5)
full-floating axle 4.10 ratio (opt GT5)
semi-floating axle 3.73 ratio (opt GT4)
full-floating axle 3.73 ratio (opt GT4)
10.50" ring gear 3.73 ratio (opt GT4)
11.50" 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)
SRW 4.10 ratio (opt GT5)
SRW 3.73 ratio (opt GT4)
Standard Rear Axle Option Only
MT (opt M10)
AT (opt M32)
4x2 3.73 ratio (opt GT4)
4x4 12 bolt cover 3.73 ratio (opt GT4)
4x4 3.73 ratio (opt GT4)
4x4 12 bolt cover 3.08 ratio (opt GU4)
4x2 3.08 ratio (opt GU4)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x2 3.42 axle ratio (opt GU6)
4x4 3.08 ratio (opt GU4)
4x2 2.73 ratio (opt GU2)
4x4 12 bolt cover 4.11 ratio (opt GT5)
4x2 4.10 ratio (opt GT5)
4x4 3.42 axle ratio (opt GU6)
4x2 8 lug wheel 3.73 ratio (opt GT4)
4x2 3.08 ratio (opt GU4)
4x2 3.73 ratio (opt GT4)
4x4 12 bolt cover 3.08 ratio (opt GU4)
4x4 4.10 ratio (opt GT5)
4x4 12 bolt cover 4.11 ratio (opt GT5)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x4 6 lug wheel 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)
4x4 4.10 ratio (opt GT5)
4x2 full-floating 3.73 ratio (opt GT4)
4x2 semi-floating 4.56 ratio (opt HC4)
4x4 3.42 axle ratio (opt GU6)
4x2 semi-floating 3.23 ratio (opt GU5)
4x2 semi-floating 3.21 ratio (opt HC8)
4x2 full-floating 3.21 ratio (opt HC8)
4x2 (3.73 ratio, opt GT4)
4x2 semi-floating 3.73 ratio (opt GT4)
4x4 4.10 ratio (opt GT5)
4x2 semi-floating 3.23 ratio (opt GU5)
4x2 full-floating 4.56 ratio (opt HC4)
4x2 semi-floating 4.10 ratio (opt GT5)
4x2 4.10 ratio (opt GT5)
4x2 semi-floating 4.56 ratio (opt HC4)
4x2 semi-floating 3.21 ratio (opt HC8)
4x2 3.73 ratio (opt GT4)
4 Dr 4x2 3.08 ratio (opt GU4)
4 Dr 4x4 3.42 axle ratio (opt GU6)
4x2 3.73 ratio (opt GT4)
4 Dr 4x4 3.73 ratio (opt GT4)
2 Dr 4x2 3.73 ratio (opt GT4)
2 Dr 4x4 3.42 axle ratio (opt GU6)
4 Dr 4x2 3.73 ratio (opt GT4)
2 Dr 4x2 3.42 axle ratio (opt GU6)
4x4 4.10 ratio (opt GT5)
4x2 w/o police 4.10 ratio (opt GT5)
ABS MT 2.0L (4.62 ratio)
w/o ABS 2 Dr MT (5.12 ratio)
AT Fed (4.62 ratio)
ABS 2 Dr MT (5.12 ratio)
ABS 2 Dr AT (4.30 ratio)
w/o ABS MT 2.0L (4.62 ratio)
ABS MT (4.62 ratio)
MT (5.12 ratio)
w/o ABS MT (4.62 ratio)
ABS 4 Dr (5.12 ratio)
5.3L 3.42 ratio
4.2L 17" wheel 3.73 ratio
4.2L 18" wheel 3.42 ratio
4.2L 18" wheel 3.73 ratio
4.2L 17" wheel 4.10 ratio
4.2L 20" wheel 3.42 ratio
5.3L 3.73 ratio
5.3L 4.10 ratio
6.0L
4.2L 17" wheel 3.42 ratio
Standard Rear Axle Option Only
(AWD)
(AWD)
(AWD)