Standard Rear Axle Option Only
3.90 ratio
3.55 ratio
3.21 ratio
Standard Rear Axle Option Only
4x4 8 lug wheel 3.73 ratio (opt GT4)
4x4 full-floating 4.10 ratio (opt GT5)
4x2 full-floating 4.56 ratio (opt HC4)
4x2 3.73 ratio (opt GT4)
4x4 3.42 axle ratio (opt GU6)
4x2 4.10 ratio (opt GT5)
4x2 3.42 axle ratio (opt GU6)
4x2 full-floating 4.10 ratio (opt GT5)
4x2 model VIN R 4.56 ratio (opt HC4)
4x2 model VIN R 4.10 ratio (opt GT5)
12 bolt cover 8 lug (3.54 ratio)
12 bolt cover 5 lug 3.55 ratio
10 bolt cover 3.90 ratio
12 bolt cover 5 lug 3.90 ratio
12 bolt cover 5 lug 3.21 ratio
10 bolt cover 3.55 ratio
10 bolt cover 3.21 ratio
10 bolt cover (Dana 60, 4.09 ratio)
4x2 SRW 3.23 ratio (opt GU5)
4x2 SRW 4.56 ratio (opt HC4)
4x4 SRW 4.56 ratio (opt HC4)
4x2 SRW 3.73 ratio (opt GT4)
4x2 SRW 3.42 axle ratio (opt GU6)
4x4 SRW 3.73 ratio (opt GT4)
4x2 SRW 4.10 ratio (opt GT5)
4x4 SRW 3.42 axle ratio (opt GU6)
4x4 SRW 4.10 ratio (opt GT5)
SRW 14 bolt cover
DRW 5700 GVW (125" WB, 8-454)
DRW 125" WB 10-1/2" ring gear
exc. 30 HD SRW semi-floating
SRW semi-floating
DRW 146" WB 10-1/2" ring gear
30 HD drum Rear brakes
SRW full-floating 13x2-1/2 brakes
SRW full-floating
exc. 30 HD DRW
4x4 DRW 4.56 ratio (opt HC4)
4x4 DRW 3.73 ratio (opt GT4)
4x2 DRW 3.73 ratio (opt GT4)
4x2 DRW 4.10 ratio (opt GT5)
4x2 DRW 4.56 ratio (opt HC4)
4x4 DRW 4.10 ratio (opt GT5)
4x2 DRW 3.42 axle ratio (opt GU6)
4x4 DRW 3.42 axle ratio (opt GU6)
SRW 10 bolt cover
SRW full-floating
DRW 10-1/2" ring gear 125" WB
12 bolt cover 3.55 ratio
DRW 125" WB 9-3/4" ring gear
12 bolt cover 3.21 ratio
3500 HD w/o wide track
10 bolt cover 6200 lb 4.10 ratio
DRW 7500 GVW (146" WB)
3500 HD wide track (opt 5T2)
3.08 ratio (opt GU4)
2.73 ratio (opt GU2)
2.56 ratio (opt GM8)
3.73 ratio (opt GT4)
4.10 ratio (opt GT5)
3.23 ratio (opt GU5)
4.11 ratio (opt HO4)
3.42 axle ratio (opt GU6)
3.73 ratio (opt GT4)
4.10 ratio (opt GT5)
4.10 ratio (opt GT5)
3.73 ratio (opt GT4)
disc rear brakes w/o traction control
disc rear brakes
MT transmission opt MM6 Z28
LT AT 2.92 ratio (opt GW8)
w/o traction control
SS MT
MT 6.2L
LS AT 3.27 ratio (opt GW6)
LT MT
AT 6.2L
round cover 11x10-1/4 5" BC
(round cover) 11x10-1/4 5" BC SW
round cover 10-1/4x9-1/2 5" BC
(round cover) 10-1/4x9-1/2
7.625" ring gear
(round cover) 11x10-1/4 4-3/4" BC
round cover 11x10-1/4 5" BC SW
cut-out cover SW
cut-out cover 5" BC SW
round cover 11x10-1/4 5" BC exc. SW
Standard Rear Axle Option Only
4x4 3.73 ratio (opt GT4)
4x2 3.73 ratio (opt GT4)
4x4 10 bolt cover 2.56 ratio (opt GM8)
4x2 2.56 ratio (opt GM8)
4x4 10 bolt cover 2.73 ratio (opt GU2)
4x4 3.42 axle ratio (opt GU6)
4x4 2.73 ratio (opt GU2)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x2 3.42 axle ratio (opt GU6)
4x4 12 bolt cover 4.11 ratio (opt GT5)
4x2 3.08 ratio (opt GU4)
4x2 2.73 ratio (opt GU2)
4x2 3.42 axle ratio (opt GU6)
4x2 14 bolt cover 4.10 ratio (opt GT5)
4x2 10 bolt cover 3.73 ratio (opt GT4)
4x4 14 bolt cover 4.10 ratio (opt GT5)
4x4 14 bolt cover 3.73 ratio (opt GT4)
4x2 4.10 ratio (opt GT5)
4x2 14 bolt cover (3.73 ratio, opt GT4)
4x2 10 bolt cover 4.10 ratio (opt GT5)
4x4 3.21 ratio (opt HC8)
4x4 3.42 axle ratio (opt GU6)
4x2 crew cab 4.56 ratio (opt HC4)
4x4 4.10 ratio (opt GT5)
4x2 crew cab 3.73 ratio (opt GT4)
4x4 3.73 ratio (opt GT4)
4x2 crew cab 4.10 ratio (opt GT5)
4x2 crew cab 3.42 axle ratio (opt GU6)
4x2 crew cab 3.21 ratio (opt HC8)
4x2 crew cab 3.23 ratio (opt GU5)
4x4 3.73 ratio (opt GT4)
4x4 3.42 axle ratio (opt GU6)
4x2 off road suspension (opt Z71)
4x2 sport suspension (opt ZQ8)
4x4 4.10 ratio (opt GT5)
Standard Rear Axle Option Only
(AWD)
active brake control (opt JL4)
3.73 ratio (opt GT4)
3.42 axle ratio (opt GU6)
9-3/4" ring gear 7300 GVW (opt C6A)
8500 GVW (opt C5F) 4.10 ratio (opt GT5)
8600 GVW (opt C6P) 3.73 ratio (opt GT4)
10-1/2" ring gear
9-3/4" ring gear 3.73 ratio (opt GT4)
9-1/2" ring gear (3.42 ratio, opt GU6)
7300 GVW (opt C6A)
10-1/2" ring gear (3.54 ratio, opt GH0)
8600 GVW (opt C6P) 4.10 ratio (opt GT5)
8500 GVW (opt C5F) 3.73 ratio (opt GT4)
cutaway DRW 10-3/4" ring gear
Cutaway Van SRW 9-1/2" ring gear
Cutaway Van DRW 3.73 ratio (opt GT4)
Cutaway Van DRW 4.10 ratio (opt GT5)
Cutaway Van SRW 10-1/2" ring gear
cutaway DRW 10-1/2" ring gear
cutaway SRW 9-1/2" ring gear
cutaway DRW 3.73 ratio (opt GT4)
cutaway DRW 4.10 ratio (opt GT5)
cutaway SRW
30 Series SRW 3.42 axle ratio (opt GU6)
30 Series drum rear brakes DRW
20 Series 4.10 ratio (opt GT5)
20 Series
30 Series DRW removable carrier
30 Series DRW removable carrier early
20 Series 3.42 axle ratio (opt GU6)
20 Series 3.73 ratio (opt GT4)
30 Series SRW 4.10 ratio (opt GT5)
30 Series DRW removable carrier late
round cover 11x10-1/4 5" BC SW
(round cover) 11x10-1/4 5" BC
cut-out cover exc. SW
round cover 11x10-1/4 4-3/4" BC
(8.5" ring gear, w/rear disc brakes)
(round cover) 10-1/4x9-1/2 4-3/4" BC
cut-out cover 5" BC
(round cover) 11x10-1/4 4-3/4" BC
cut-out cover SW
cut-out cover 5" BC SW
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
4x2 3.42 axle ratio (opt GU6)
4x4 4.10 ratio (opt GT5)
Regular Cab 4x2 3.73 ratio (opt GT4)
Regular Cab 4x2 3.08 ratio (opt GU4)
Regular Cab 4x4 3.73 ratio (opt GT4)
4x2 3.08 ratio (opt GU4)
Regular Cab 4x4 4.10 ratio (opt GT5)
9.5" ring gear (14 bolt) brake opt JF3
4x4 3.73 ratio (opt GT4)
4x2 3.73 ratio (opt GT4)
10.50" ring gear 3.73 ratio (opt GT4)
semi-floating axle 4.10 ratio (opt GT5)
10.50" ring gear 4.10 ratio (opt GT5)
11.5" ring gear (3.73 ratio, opt GT4)
10.5" ring gear 4.10 ratio (opt GT5)
semi-floating axle 3.73 ratio (opt GT4)
11.50" 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 3.73 ratio (opt GT4)
SRW 4.10 ratio (opt GT5)
Standard Rear Axle Option Only
AT (opt M32)
MT (opt M10)
4x4 3.08 ratio (opt GU4)
4x4 3.73 ratio (opt GT4)
4x4 12 bolt cover 3.73 ratio (opt GT4)
4x4 12 bolt cover 3.08 ratio (opt GU4)
4x4 4.11 ratio (opt GT5)
4x2 3.42 axle ratio (opt GU6)
4x2 3.73 ratio (opt GT4)
4x4 10 bolt cover 3.08 ratio (opt GU4)
4x2 3.08 ratio (opt GU4)
4x2 2.73 ratio (opt GU2)
4x4 4.10 ratio (opt GT5)
4x4 12 bolt cover 3.73 ratio (opt GT4)
4x4 3.08 ratio (opt GU4)
4x2 3.42 axle ratio (opt GU6)
4x4 12 bolt cover 3.08 ratio (opt GU4)
4x2 8 lug wheel 3.73 ratio (opt GT4)
4x4 14 bolt cover 3.73 ratio (opt GT4)
4x2 5 lug wheel 3.73 ratio (opt GT4)
4x2 3.08 ratio (opt GU4)
4x4 3.73 ratio (opt GT4)
4x4 3.73 ratio (opt GT4)
4x2 semi-floating 3.73 ratio (opt GT4)
4x2 semi-floating 4.10 ratio (opt GT5)
4x2 semi-floating 3.21 ratio (opt HC8)
4x4 4.10 ratio (opt GT5)
4x2 full-floating 3.73 ratio (opt GT4)
4x2 semi-floating 4.56 ratio (opt HC4)
4x2 full-floating 3.21 ratio (opt HC8)
4x2 full-floating 4.10 ratio (opt GT5)
4x2 full-floating 4.56 ratio (opt HC4)
4x2 semi-floating 3.73 ratio (opt GT4)
4x2 3.73 ratio (opt GT4)
4x2 semi-floating 3.21 ratio (opt HC8)
4x2 4.10 ratio (opt GT5)
4x2 full-floating 4.56 ratio (opt HC4)
4x2 full-floating 3.73 ratio (opt GT4)
4x2 semi-floating 4.10 ratio (opt GT5)
4x4 (3.73 ratio, opt GT4)
4x2 semi-floating 4.56 ratio (opt HC4)
4x2 (3.73 ratio, opt GT4)
4x2 police (opt PPV)
4 Dr 4x4 3.73 ratio (opt GT4)
4x2 w/o police 3.23 ratio (opt GU5)
4x2 w/o police 3.73 ratio (opt GT4)
2 Dr 4x4 3.42 axle ratio (opt GU6)
2 Dr 4x4 3.73 ratio (opt GT4)
4 Dr 4x2 3.73 ratio (opt GT4)
4x2 w/o police 4.10 ratio (opt GT5)
4 Dr 4x2 3.08 ratio (opt GU4)
4x2 3.73 ratio (opt GT4)
ABS 2 Dr AT (4.30 ratio)
w/o ABS MT (4.62 ratio)
ABS MT (4.62 ratio)
w/o ABS AT (4.88 ratio)
ABS AT (4.88 ratio)
w/o ABS 2 Dr AT (4.30 ratio)
AT Fed (4.62 ratio)
ABS 4 Dr (5.12 ratio)
w/o ABS MT 1.6L (5.12 ratio)
AT Calif (4.30 ratio)
4.2L 18" wheel 3.42 ratio
5.3L 3.73 ratio
4.2L 17" wheel 3.42 ratio
5.3L 4.10 ratio
4.2L 17" wheel 3.73 ratio
4.2L 18" wheel 4.10 ratio
5.3L 3.42 ratio
4.2L 20" wheel 3.73 ratio
6.0L
4.2L 17" wheel 4.10 ratio
Standard Rear Axle Option Only
(AWD)
(AWD)
(AWD)