Standard Rear Axle Option Only
3.90 ratio
3.55 ratio
3.21 ratio
Standard Rear Axle Option Only
4x2 4.10 ratio (opt GT5)
4x4 8 lug wheel 3.73 ratio (opt GT4)
4x4 8 lug wheel 4.10 ratio (opt GT5)
4x2 4.56 ratio (opt HC4)
4x4 full-floating 3.73 ratio (opt GT4)
4x4 full-floating 4.56 ratio (opt HC4)
4x2 3.42 axle ratio (opt GU6)
4x2 model VIN R 4.10 ratio (opt GT5)
4x2 3.73 ratio (opt GT4)
4x4 8 lug wheel 4.56 ratio (opt HC4)
10 bolt cover 3.55 ratio
10 bolt cover 3.21 ratio
12 bolt cover 8 lug (3.54 ratio)
12 bolt cover 5 lug 3.21 ratio
10 bolt cover (Dana 60, 4.09 ratio)
12 bolt cover 5 lug 3.90 ratio
12 bolt cover 5 lug 3.55 ratio
10 bolt cover 3.90 ratio
4x2 SRW 4.56 ratio (opt HC4)
4x2 SRW 3.73 ratio (opt GT4)
4x4 SRW 3.73 ratio (opt GT4)
4x2 SRW 3.42 axle ratio (opt GU6)
4x2 SRW 4.10 ratio (opt GT5)
4x4 SRW 4.56 ratio (opt HC4)
4x4 SRW 4.10 ratio (opt GT5)
4x4 SRW 3.42 axle ratio (opt GU6)
4x2 SRW 3.23 ratio (opt GU5)
30 HD wide track (opt 5T2)
SRW 10 bolt cover
DRW 6200 GVW 146" WB
DRW 125" WB 9-3/4" ring gear
DRW 7500 GVW (146" WB)
DRW 9-3/4" ring gear 125" WB
DRW 10-1/2" ring gear 125" WB
SRW 14 bolt cover
SRW full-floating 13x3-1/2 brakes
DRW 146" WB 9-3/4" ring gear
4x4 DRW 4.10 ratio (opt GT5)
4x2 DRW 4.56 ratio (opt HC4)
4x2 DRW 4.10 ratio (opt GT5)
4x4 DRW 4.56 ratio (opt HC4)
4x2 DRW 3.42 axle ratio (opt GU6)
4x4 DRW 3.42 axle ratio (opt GU6)
4x2 DRW 3.73 ratio (opt GT4)
4x4 DRW 3.73 ratio (opt GT4)
exc. 3500 HD SRW semi-floating
3500 HD w/o wide track
10 bolt cover 6200 lb 3.55 ratio
3500 HD wide track (opt 5T2)
DRW 146" WB 10-1/2" ring gear
SRW full-floating
SRW full-floating 13x2-1/2 brakes
DRW 9-3/4" ring gear 146" WB
DRW 7500 GVW (146" WB)
DRW 6200 GVW 146" WB
3.42 axle ratio (opt GU6)
3.73 ratio (opt GT4)
3.08 ratio (opt GU4)
3.23 ratio (opt GU5)
4.10 ratio (opt GT5)
2.73 ratio (opt GU2)
2.56 ratio (opt GM8)
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)
drum rear brakes
disc rear brakes 10 bolt cover
AT transmission opt MYC
LT AT 2.92 ratio (opt GW8)
MT transmission opt MV5
LS AT 2.92 ratio (opt GW8)
AT 3.6L
SS AT
disc rear brakes
ZL1 AT
(round cover) 10-1/4x9-1/2 5" BC
cut-out cover exc. SW
7.625" ring gear
round cover 11x10-1/4 5" BC exc. SW
cut-out cover 5" BC SW
cut-out cover SW
round cover 10-1/4x9-1/2 4-3/4" BC
round cover 11x10-1/4 5" BC SW
(round cover) 11x10-1/4 SW
(round cover) 10-1/4x9-1/2
Standard Rear Axle Option Only
4x4 12 bolt cover 3.08 ratio (opt GU4)
4x4 12 bolt cover 2.73 ratio (opt GU2)
4x2 3.42 axle ratio (opt GU6)
4x2 3.08 ratio (opt GU4)
4x2 2.56 ratio (opt GM8)
4x4 10 bolt cover 3.08 ratio (opt GU4)
4x4 3.42 axle ratio (opt GU6)
4x4 10 bolt cover 2.56 ratio (opt GM8)
4x2 2.73 ratio (opt GU2)
4x4 12 bolt cover 2.56 ratio (opt GM8)
4x2 14 bolt cover 4.10 ratio (opt GT5)
4x2 10 bolt cover 2.73 ratio (opt GU2)
4x4 10 bolt cover 3.73 ratio (opt GT4)
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)
4x2 10 bolt cover 3.73 ratio (opt GT4)
4x2 3.42 axle ratio (opt GU6)
4x2 4.10 ratio (opt GT5)
4x2 3.73 ratio (opt GT4)
4x4 3.21 ratio (opt HC8)
4x4 3.42 axle ratio (opt GU6)
4x4 4.10 ratio (opt GT5)
4x2 crew cab 3.21 ratio (opt HC8)
4x2 crew cab 4.56 ratio (opt HC4)
4x2 crew cab 4.10 ratio (opt GT5)
4x2 crew cab 3.23 ratio (opt GU5)
4x2 crew cab 3.73 ratio (opt GT4)
4x4 3.23 ratio (opt GU5)
4x4 3.73 ratio (opt GT4)
4x4 3.73 ratio (opt GT4)
4x4 3.42 axle ratio (opt GU6)
4x4 4.10 ratio (opt GT5)
4x2 sport suspension (opt ZQ8)
4x2 off road suspension (opt Z71)
Standard Rear Axle Option Only
(AWD)
active brake control (opt JL4)
3.42 axle ratio (opt GU6)
3.73 ratio (opt GT4)
10-1/2" ring gear
9-1/2" ring gear (3.42 ratio, opt GU6)
8500 GVW (opt C5F) 3.73 ratio (opt GT4)
7300 GVW (opt C6A)
9-3/4" ring gear 3.73 ratio (opt GT4)
full floating axle (13 x 3.5" brakes)
8600 GVW (opt C6P) 3.73 ratio (opt GT4)
8500 GVW (opt C5F) 4.10 ratio (opt GT5)
8600 GVW (opt C6P) 4.10 ratio (opt GT5)
10-1/2" ring gear (3.54 ratio, opt GH0)
exc. cutaway 4.10 ratio (opt GT5)
exc. cutaway
cutaway SRW 10-1/2" ring gear
cutaway DRW
cutaway DRW 4.10 ratio (opt GT5)
Cutaway Van DRW 3.73 ratio (opt GT4)
Cutaway Van SRW 10-1/2" ring gear
cutaway DRW 3.73 ratio (opt GT4)
cutaway SRW 9-3/4" ring gear
Cutaway Van DRW 4.10 ratio (opt GT5)
30 Series DRW removable carrier early
30 Series drum rear brakes SRW
20 Series
20 Series 4.56 ratio (opt HC4)
30 Series SRW 3.21 ratio (opt HC8)
20 Series 3.21 ratio (opt HC8)
30 Series DRW removable carrier late
30 Series SRW 4.56 ratio (opt HC4)
20 Series 4.10 ratio (opt GT5)
30 Series SRW 3.23 ratio (opt GU5)
(round cover) 10-1/4x9-1/2 4-3/4" BC
round cover 11x10-1/4 5" BC exc. SW
cut-out cover SW
round cover 11x10-1/4 5" BC SW
cut-out cover exc. SW
cut-out cover 4-3/4" BC
(round cover) 11x10-1/4 5" BC
cut-out cover 5" BC exc. SW
(8.5" ring gear, w/rear disc brakes)
(round cover) 10-1/4x9-1/2 5" BC
3.73 ratio (opt GT4)
4.10 ratio (opt GT5)
3.42 axle ratio (opt GU6)
Standard Rear Axle Option Only
Standard Rear Axle Option Only
Regular Cab 4x4 4.10 ratio (opt GT5)
4x2 3.42 axle ratio (opt GU6)
Crew Cab 4.10 ratio (opt GT5)
exc. Crew Cab 4x2 3.73 ratio (opt GT4)
4x4 4.10 ratio (opt GT5)
9.5" ring gear (14 bolt) brake opt JF3
exc. Crew Cab 4x4 4.10 ratio (opt GT5)
4x4 3.73 ratio (opt GT4)
Crew Cab 3.73 ratio (opt GT4)
exc. Crew Cab 4x4 3.73 ratio (opt GT4)
10.50" ring gear 3.73 ratio (opt GT4)
10.5" ring gear 4.10 ratio (opt GT5)
10.5" ring gear 3.73 ratio (opt GT4)
11.5" ring gear (3.73 ratio, opt GT4)
full-floating axle 3.73 ratio (opt GT4)
full-floating axle 4.10 ratio (opt GT5)
10.50" ring gear 4.10 ratio (opt GT5)
11.50" ring gear (3.73 ratio, opt GT4)
semi-floating axle 3.73 ratio (opt GT4)
semi-floating axle 4.10 ratio (opt GT5)
SRW 3.73 ratio (opt GT4)
SRW 4.10 ratio (opt GT5)
Standard Rear Axle Option Only
MT (opt M10)
AT (opt M32)
4x4 3.73 ratio (opt GT4)
4x4 4.11 ratio (opt GT5)
4x4 12 bolt cover 3.08 ratio (opt GU4)
4x4 12 bolt cover 3.73 ratio (opt GT4)
4x2 3.08 ratio (opt GU4)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x4 3.42 axle ratio (opt GU6)
4x2 3.42 axle ratio (opt GU6)
4x2 3.73 ratio (opt GT4)
4x4 10 bolt cover 3.08 ratio (opt GU4)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x2 2.73 ratio (opt GU2)
4x4 12 bolt cover 4.11 ratio (opt GT5)
4x2 8 lug wheel 3.73 ratio (opt GT4)
4x4 4.10 ratio (opt GT5)
4x4 12 bolt cover 3.08 ratio (opt GU4)
4x2 3.42 axle ratio (opt GU6)
4x4 3.08 ratio (opt GU4)
4x4 6 lug wheel 3.73 ratio (opt GT4)
4x4 10 bolt cover 3.08 ratio (opt GU4)
4x2 full-floating 4.10 ratio (opt GT5)
4x4 3.73 ratio (opt GT4)
4x2 semi-floating 3.21 ratio (opt HC8)
4x2 semi-floating 3.73 ratio (opt GT4)
4x2 full-floating 3.21 ratio (opt HC8)
4x2 full-floating 4.56 ratio (opt HC4)
4x4 4.10 ratio (opt GT5)
4x2 semi-floating 3.23 ratio (opt GU5)
4x2 full-floating 3.73 ratio (opt GT4)
4x2 semi-floating 4.10 ratio (opt GT5)
4x2 full-floating 3.21 ratio (opt HC8)
4x2 semi-floating 3.73 ratio (opt GT4)
4x4 3.73 ratio (opt GT4)
4x2 (3.73 ratio, opt GT4)
4x2 semi-floating 4.10 ratio (opt GT5)
4x4 (3.73 ratio, opt GT4)
4x2 3.73 ratio (opt GT4)
4x2 4.10 ratio (opt GT5)
4x2 full-floating 4.10 ratio (opt GT5)
4x2 full-floating 3.73 ratio (opt GT4)
2 Dr 4x2 3.73 ratio (opt GT4)
4 Dr 4x4 3.42 axle ratio (opt GU6)
2 Dr 4x2 3.08 ratio (opt GU4)
4x2 w/o police 3.73 ratio (opt GT4)
4x2 w/o police 4.10 ratio (opt GT5)
4 Dr 4x4 3.73 ratio (opt GT4)
4 Dr 4x2 3.73 ratio (opt GT4)
2 Dr 4x4 3.73 ratio (opt GT4)
4x2 w/o police 3.23 ratio (opt GU5)
Classic style 4x4 3.73 ratio (opt GT4)
ABS 2 Dr MT (5.12 ratio)
w/o ABS MT 1.6L (5.12 ratio)
AT Calif (4.30 ratio)
ABS 2 Dr AT (4.30 ratio)
ABS MT 2.0L (4.62 ratio)
w/o ABS MT (4.62 ratio)
w/o ABS MT 2.0L (4.62 ratio)
MT (5.12 ratio)
w/o ABS 2 Dr MT (5.12 ratio)
ABS MT (4.62 ratio)
4.2L 20" wheel 3.42 ratio
6.0L
4.2L 17" wheel 3.73 ratio
4.2L 18" wheel 4.10 ratio
4.2L 18" wheel 3.42 ratio
4.2L 17" wheel 4.10 ratio
5.3L 3.42 ratio
4.2L 17" wheel 3.42 ratio
5.3L 3.73 ratio
4.2L 18" wheel 3.73 ratio
Standard Rear Axle Option Only
(AWD)
(AWD)
(AWD)