Standard Rear Axle Option Only
3.21 ratio
3.90 ratio
3.55 ratio
Standard Rear Axle Option Only
4x2 3.42 axle ratio (opt GU6)
4x2 full-floating 4.56 ratio (opt HC4)
4x2 4.56 ratio (opt HC4)
4x4 4.10 ratio (opt GT5)
4x4 full-floating 3.73 ratio (opt GT4)
4x4 3.42 axle ratio (opt GU6)
4x2 model VIN R 4.56 ratio (opt HC4)
4x4 6 lug wheel 4.10 ratio (opt GT5)
4x4 8 lug wheel 3.73 ratio (opt GT4)
4x2 full-floating 4.10 ratio (opt GT5)
10 bolt cover (Dana 60, 4.09 ratio)
12 bolt cover 8 lug (3.54 ratio)
10 bolt cover 3.90 ratio
12 bolt cover 5 lug 3.21 ratio
10 bolt cover 3.21 ratio
12 bolt cover 5 lug 3.55 ratio
12 bolt cover 5 lug 3.90 ratio
10 bolt cover 3.55 ratio
4x4 SRW 4.10 ratio (opt GT5)
4x4 SRW 3.42 axle ratio (opt GU6)
4x4 SRW 4.56 ratio (opt HC4)
4x2 SRW 4.10 ratio (opt GT5)
4x2 SRW 3.23 ratio (opt GU5)
4x2 SRW 3.42 axle ratio (opt GU6)
4x4 SRW 3.73 ratio (opt GT4)
4x2 SRW 3.73 ratio (opt GT4)
4x2 SRW 4.56 ratio (opt HC4)
DRW 146" WB 9-3/4" ring gear
30 HD drum Rear brakes
exc. 30 HD DRW
DRW 9-3/4" ring gear 125" WB
SRW semi-floating
SRW full-floating
30 HD wide track (opt 5T2)
30 HD w/o wide track
DRW 146" WB 10-1/2" ring gear
DRW 6200 GVW 146" WB
4x2 DRW 4.56 ratio (opt HC4)
4x4 DRW 3.42 axle ratio (opt GU6)
4x2 DRW 3.73 ratio (opt GT4)
4x2 DRW 3.42 axle ratio (opt GU6)
4x4 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)
DRW 125" WB 10-1/2" ring gear
DRW 5700 GVW (125" WB, 8-454)
SRW 10 bolt cover
exc. 3500 HD DRW
DRW 125" WB 9-3/4" ring gear
DRW 7500 GVW (146" WB)
SRW 14 bolt cover
12 bolt cover 3.21 ratio
SRW semi-floating
DRW 7500 GVW
3.23 ratio (opt GU5)
3.73 ratio (opt GT4)
3.08 ratio (opt GU4)
2.73 ratio (opt GU2)
4.10 ratio (opt GT5)
2.56 ratio (opt GM8)
3.42 axle ratio (opt GU6)
4.11 ratio (opt HO4)
4.10 ratio (opt GT5)
3.73 ratio (opt GT4)
3.73 ratio (opt GT4)
4.10 ratio (opt GT5)
disc rear brakes 10 bolt cover
MT transmission opt MM6 SS
MT transmission opt MM6
SS MT
ZL1 MT
traction control (opt NW9) 5.7L
AT 6.2L
MT transmission opt M10
ZL1 AT
disc rear brakes aluminum caliper
cut-out cover 5" BC SW
8.5" ring gear SW
round cover 10-1/4x9-1/2 4-3/4" BC
cut-out cover exc. SW
(round cover) 11x10-1/4 SW
(round cover) 11x10-1/4 Sdn 11" brakes
cut-out cover SW
round cover 11x10-1/4 5" BC
(round cover) 11x10-1/4 Sdn 9.5" brakes
(round cover) 10-1/4x9-1/2 4-3/4" BC
Standard Rear Axle Option Only
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x4 10 bolt cover 2.56 ratio (opt GM8)
4x4 3.42 axle ratio (opt GU6)
4x4 12 bolt cover 2.56 ratio (opt GM8)
4x2 3.08 ratio (opt GU4)
4x2 2.73 ratio (opt GU2)
4x2 3.42 axle ratio (opt GU6)
4x4 12 bolt cover 3.73 ratio (opt GT4)
4x4 12 bolt cover 4.11 ratio (opt GT5)
4x4 10 bolt cover 2.73 ratio (opt GU2)
4x2 3.42 axle ratio (opt GU6)
4x2 10 bolt cover 3.08 ratio (opt GU4)
4x2 3.73 ratio (opt GT4)
4x2 10 bolt cover 2.73 ratio (opt GU2)
4x2 14 bolt cover 3.73 ratio (opt GT4)
4x2 3.08 ratio (opt GU4)
4x4 10 bolt cover 4.10 ratio (opt GT5)
4x2 10 bolt cover 3.73 ratio (opt GT4)
4x2 4.10 ratio (opt GT5)
4x4 14 bolt cover 4.10 ratio (opt GT5)
4x2 crew cab 4.56 ratio (opt HC4)
4x2 crew cab 3.73 ratio (opt GT4)
4x4 3.42 axle ratio (opt GU6)
4x2 crew cab 3.42 axle ratio (opt GU6)
4x4 3.21 ratio (opt HC8)
4x2 crew cab 4.10 ratio (opt GT5)
4x4 4.10 ratio (opt GT5)
4x2 crew cab 3.23 ratio (opt GU5)
4x4 3.73 ratio (opt GT4)
4x4 3.23 ratio (opt GU5)
4x4 3.42 axle ratio (opt GU6)
4x2 sport suspension (opt ZQ8)
4x2 off road suspension (opt Z71)
4x4 3.73 ratio (opt GT4)
4x4 4.10 ratio (opt GT5)
Standard Rear Axle Option Only
(AWD)
3.42 axle ratio (opt GU6)
active brake control (opt JL4)
3.73 ratio (opt GT4)
8600 GVW (opt C6P) 3.73 ratio (opt GT4)
9-3/4" ring gear 3.73 ratio (opt GT4)
9-3/4" ring gear 7300 GVW (opt C6A)
9-3/4" ring gear 4.10 ratio (opt GT5)
8500 GVW (opt C5F) 4.10 ratio (opt GT5)
7300 GVW (opt C6A)
8500 GVW (opt C5F) 3.73 ratio (opt GT4)
9-1/2" ring gear (3.42 ratio, opt GU6)
10-1/2" ring gear
8600 GVW (opt C6P) 4.10 ratio (opt GT5)
cutaway SRW
cutaway DRW 4.10 ratio (opt GT5)
exc. cutaway 4.10 ratio (opt GT5)
Cutaway Van SRW 9-1/2" ring gear
cutaway DRW 3.73 ratio (opt GT4)
cutaway SRW 9-3/4" ring gear
Cutaway Van DRW 3.73 ratio (opt GT4)
cutaway SRW 9-1/2" ring gear
Cutaway Van DRW 4.10 ratio (opt GT5)
cutaway DRW 10-3/4" ring gear
30 Series SRW 3.21 ratio (opt HC8)
20 Series 4.10 ratio (opt GT5)
20 Series 3.21 ratio (opt HC8)
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 3.42 axle ratio (opt GU6)
30 Series DRW removable carrier early
30 Series SRW 4.10 ratio (opt GT5)
30 Series DRW removable carrier
cut-out cover 5" BC
round cover 10-1/4x9-1/2 4-3/4" BC
cut-out cover 5" BC SW
round cover 10-1/4x9-1/2 5" BC
cut-out cover exc. SW
(8.5" ring gear, w/rear disc brakes)
cut-out cover 4-3/4" BC
round cover 11x10-1/4 5" BC exc. SW
cut-out cover 5" BC exc. SW
(round cover) 10-1/4x9-1/2 4-3/4" BC
3.42 axle ratio (opt GU6)
4.10 ratio (opt GT5)
3.73 ratio (opt GT4)
Standard Rear Axle Option Only
Standard Rear Axle Option Only
Regular Cab 4x2 3.08 ratio (opt GU4)
8.6" ring gear (10 bolt) brake opt JD9
exc. Crew Cab 4x4 4.10 ratio (opt GT5)
exc. Crew Cab 4x2 3.73 ratio (opt GT4)
Regular Cab 4x4 3.73 ratio (opt GT4)
Crew Cab 3.73 ratio (opt GT4)
exc. Crew Cab 4x4 3.73 ratio (opt GT4)
4x2 3.73 ratio (opt GT4)
4x4 3.73 ratio (opt GT4)
9.5" ring gear (14 bolt) brake opt JF3
11.5" 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)
semi-floating axle 3.73 ratio (opt GT4)
10.50" ring gear 3.73 ratio (opt GT4)
semi-floating axle 4.10 ratio (opt GT5)
full-floating axle 4.10 ratio (opt GT5)
10.5" ring gear 4.10 ratio (opt GT5)
full-floating axle 3.73 ratio (opt GT4)
10.50" ring gear 4.10 ratio (opt GT5)
SRW 3.73 ratio (opt GT4)
SRW 4.10 ratio (opt GT5)
Standard Rear Axle Option Only
AT (opt M32)
MT (opt M10)
4x2 3.08 ratio (opt GU4)
4x4 3.08 ratio (opt GU4)
4x2 3.73 ratio (opt GT4)
4x4 4.11 ratio (opt GT5)
4x4 3.42 axle ratio (opt GU6)
4x4 10 bolt cover 3.08 ratio (opt GU4)
4x2 3.42 axle ratio (opt GU6)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x4 12 bolt cover 4.11 ratio (opt GT5)
4x4 3.73 ratio (opt GT4)
4x4 8 lug wheel 3.73 ratio (opt GT4)
4x4 12 bolt cover 3.08 ratio (opt GU4)
4x2 3.42 axle ratio (opt GU6)
4x2 8 lug wheel 3.73 ratio (opt GT4)
4x4 14 bolt cover 3.73 ratio (opt GT4)
4x4 6 lug wheel 3.73 ratio (opt GT4)
4x2 5 lug wheel 3.73 ratio (opt GT4)
4x2 4.10 ratio (opt GT5)
4x4 3.08 ratio (opt GU4)
4x4 3.73 ratio (opt GT4)
4x4 3.42 axle ratio (opt GU6)
4x2 semi-floating 3.73 ratio (opt GT4)
4x2 semi-floating 3.21 ratio (opt HC8)
4x2 full-floating 4.10 ratio (opt GT5)
4x2 full-floating 3.73 ratio (opt GT4)
4x2 semi-floating 4.10 ratio (opt GT5)
4x2 semi-floating 3.23 ratio (opt GU5)
4x4 4.10 ratio (opt GT5)
4x2 full-floating 4.56 ratio (opt HC4)
4x4 3.73 ratio (opt GT4)
4x2 semi-floating 3.23 ratio (opt GU5)
4x2 semi-floating 4.10 ratio (opt GT5)
4x4 (3.73 ratio, opt GT4)
4x2 full-floating 4.56 ratio (opt HC4)
4x2 full-floating 3.73 ratio (opt GT4)
4x4 4.10 ratio (opt GT5)
4x2 (3.73 ratio, opt GT4)
4x2 semi-floating 3.73 ratio (opt GT4)
4x2 4.10 ratio (opt GT5)
4x2 semi-floating 3.21 ratio (opt HC8)
4 Dr 4x2 3.08 ratio (opt GU4)
4x2 3.73 ratio (opt GT4)
4 Dr 4x2 3.73 ratio (opt GT4)
2 Dr 4x4 3.73 ratio (opt GT4)
2 Dr 4x2 3.08 ratio (opt GU4)
4x2 w/o police 3.23 ratio (opt GU5)
4 Dr 4x4 3.73 ratio (opt GT4)
4x2 police (opt PPV)
4x4 4.10 ratio (opt GT5)
4 Dr 4x4 3.42 axle ratio (opt GU6)
ABS 4 Dr (5.12 ratio)
w/o ABS MT (4.62 ratio)
w/o ABS 2 Dr MT (5.12 ratio)
w/o ABS MT 1.6L (5.12 ratio)
AT Calif (4.30 ratio)
w/o ABS 4 Dr (5.12 ratio)
w/o ABS 2 Dr AT (4.30 ratio)
ABS 2 Dr MT (5.12 ratio)
AT Fed (4.62 ratio)
ABS MT 2.0L (4.62 ratio)
5.3L 3.73 ratio
4.2L 18" wheel 4.10 ratio
4.2L 20" wheel 3.73 ratio
4.2L 18" wheel 3.42 ratio
4.2L 18" wheel 3.73 ratio
6.0L
4.2L 20" wheel 3.42 ratio
4.2L 17" wheel 4.10 ratio
4.2L 17" wheel 3.42 ratio
5.3L 3.42 ratio
Standard Rear Axle Option Only
(AWD)
(AWD)
(AWD)