Standard Rear Axle Option Only
3.55 ratio
3.90 ratio
3.21 ratio
Standard Rear Axle Option Only
4x2 3.42 axle ratio (opt GU6)
4x4 3.73 ratio (opt GT4)
4x2 4.10 ratio (opt GT5)
4x2 full-floating 4.10 ratio (opt GT5)
4x2 model VIN R 3.73 ratio (opt GT4)
4x4 6 lug wheel 4.10 ratio (opt GT5)
4x4 3.42 axle ratio (opt GU6)
4x2 full-floating 3.73 ratio (opt GT4)
4x4 8 lug wheel 3.73 ratio (opt GT4)
4x4 full-floating 3.73 ratio (opt GT4)
12 bolt cover 5 lug 3.90 ratio
10 bolt cover 3.55 ratio
12 bolt cover 5 lug 3.55 ratio
10 bolt cover (Dana 60, 4.09 ratio)
10 bolt cover 3.90 ratio
10 bolt cover 3.21 ratio
12 bolt cover 5 lug 3.21 ratio
12 bolt cover 8 lug (3.54 ratio)
4x4 SRW 3.73 ratio (opt GT4)
4x2 SRW 3.42 axle ratio (opt GU6)
4x2 SRW 4.10 ratio (opt GT5)
4x4 SRW 3.42 axle ratio (opt GU6)
4x4 SRW 4.10 ratio (opt GT5)
4x2 SRW 3.73 ratio (opt GT4)
4x2 SRW 3.23 ratio (opt GU5)
4x2 SRW 4.56 ratio (opt HC4)
4x4 SRW 4.56 ratio (opt HC4)
DRW 7500 GVW
30 HD wide track (opt 5T2)
DRW 146" WB 9-3/4" ring gear
DRW 5700 GVW (125" WB, 8-454)
30 HD w/o wide track
SRW full-floating 13x2-1/2 brakes
30 HD drum Rear brakes
SRW full-floating
SRW 10 bolt cover
exc. 30 HD SRW semi-floating
4x2 DRW 3.73 ratio (opt GT4)
4x2 DRW 4.10 ratio (opt GT5)
4x4 DRW 4.56 ratio (opt HC4)
4x4 DRW 3.42 axle ratio (opt GU6)
4x4 DRW 3.73 ratio (opt GT4)
4x2 DRW 4.56 ratio (opt HC4)
4x4 DRW 4.10 ratio (opt GT5)
4x2 DRW 3.42 axle ratio (opt GU6)
DRW 125" WB 10-1/2" ring gear
12 bolt cover 3.90 ratio
exc. 3500 HD SRW semi-floating
3500 HD wide track (opt 5T2)
DRW 9-3/4" ring gear 125" WB
3500 HD w/o wide track
DRW 146" WB 10-1/2" ring gear
DRW 7500 GVW (146" WB)
DRW 6200 GVW 125" WB
DRW 9-3/4" ring gear 146" WB
3.42 axle ratio (opt GU6)
3.23 ratio (opt GU5)
3.08 ratio (opt GU4)
4.10 ratio (opt GT5)
2.56 ratio (opt GM8)
3.73 ratio (opt GT4)
2.73 ratio (opt GU2)
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)
MT 3.6L
MT transmission opt MM6 Z28
LS MT
AT transmission opt MYD
AT transmission opt MYC
disc rear brakes 10 bolt cover
AT 3.6L
disc rear brakes cast iron caliper
MT transmission opt MM6
MT transmission opt M10
round cover 11x10-1/4 5" BC exc. SW
(round cover) 11x10-1/4 5" BC exc. SW
(round cover) 11x10-1/4 SW
7.625" ring gear
(round cover) 11x10-1/4 Sdn 9.5" brakes
cut-out cover 5" BC SW
(round cover) 11x10-1/4 Sdn 11" brakes
round cover 11x10-1/4 5" BC SW
(round cover) 10-1/4x9-1/2 4-3/4" BC
round cover 10-1/4x9-1/2 5" BC
Standard Rear Axle Option Only
4x4 10 bolt cover 2.73 ratio (opt GU2)
4x4 2.73 ratio (opt GU2)
4x4 12 bolt cover 2.56 ratio (opt GM8)
4x2 3.08 ratio (opt GU4)
4x2 3.42 axle ratio (opt GU6)
4x4 12 bolt cover 3.08 ratio (opt GU4)
4x2 3.73 ratio (opt GT4)
4x4 3.73 ratio (opt GT4)
4x4 10 bolt cover 3.08 ratio (opt GU4)
4x2 2.56 ratio (opt GM8)
4x4 14 bolt cover 4.10 ratio (opt GT5)
4x4 14 bolt cover 3.73 ratio (opt GT4)
4x2 3.42 axle ratio (opt GU6)
4x2 4.10 ratio (opt GT5)
4x4 10 bolt cover 4.10 ratio (opt GT5)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x2 10 bolt cover 3.73 ratio (opt GT4)
4x2 14 bolt cover 4.10 ratio (opt GT5)
4x2 10 bolt cover 4.10 ratio (opt GT5)
4x2 14 bolt cover 3.73 ratio (opt GT4)
4x2 crew cab 3.42 axle ratio (opt GU6)
4x4 3.23 ratio (opt GU5)
4x2 crew cab 3.21 ratio (opt HC8)
4x2 crew cab 3.23 ratio (opt GU5)
4x2 crew cab 4.10 ratio (opt GT5)
4x4 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)
4x4 3.21 ratio (opt HC8)
4x2 off road suspension (opt Z71)
4x4 3.42 axle ratio (opt GU6)
4x4 4.10 ratio (opt GT5)
4x4 3.73 ratio (opt GT4)
4x2 sport suspension (opt ZQ8)
Standard Rear Axle Option Only
(AWD)
3.42 axle ratio (opt GU6)
active brake control (opt JL4)
3.73 ratio (opt GT4)
8500 GVW (opt C5F) 3.73 ratio (opt GT4)
8600 GVW (opt C6P) 4.10 ratio (opt GT5)
9-3/4" ring gear 4.10 ratio (opt GT5)
7300 GVW (opt C6A)
8500 GVW (opt C5F) 4.10 ratio (opt GT5)
9-3/4" ring gear 3.73 ratio (opt GT4)
10-1/2" ring gear (3.54 ratio, opt GH0)
full floating axle (13 x 3.5" brakes)
9-3/4" ring gear 7300 GVW (opt C6A)
8600 GVW (opt C6P) 3.73 ratio (opt GT4)
exc. cutaway 4.10 ratio (opt GT5)
Cutaway Van DRW 3.73 ratio (opt GT4)
cutaway DRW 3.73 ratio (opt GT4)
cutaway DRW 4.10 ratio (opt GT5)
cutaway DRW
exc. cutaway
Cutaway Van SRW 10-1/2" ring gear
Cutaway Van SRW 9-1/2" ring gear
cutaway SRW 9-1/2" ring gear
cutaway DRW 10-1/2" ring gear
30 Series SRW 3.42 axle ratio (opt GU6)
20 Series 4.56 ratio (opt HC4)
30 Series SRW 3.21 ratio (opt HC8)
30 Series DRW removable carrier
20 Series 3.73 ratio (opt GT4)
30 Series SRW 4.10 ratio (opt GT5)
30 Series SRW 3.23 ratio (opt GU5)
20 Series 4.10 ratio (opt GT5)
30 Series DRW removable carrier early
30 Series drum rear brakes SRW
round cover 11x10-1/4 4-3/4" BC
(round cover) 10-1/4x9-1/2 5" BC
round cover 10-1/4x9-1/2 4-3/4" BC
cut-out cover 5" BC
round cover 10-1/4x9-1/2 5" BC
(round cover) 11x10-1/4 5" BC
cut-out cover SW
(round cover) 10-1/4x9-1/2 4-3/4" BC
cut-out cover 5" BC exc. SW
cut-out cover 5" BC SW
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
4x2 3.73 ratio (opt GT4)
Crew Cab 3.73 ratio (opt GT4)
8.6" ring gear (10 bolt) brake opt JD9
Regular Cab 4x2 3.73 ratio (opt GT4)
4x2 3.42 axle ratio (opt GU6)
4x4 4.10 ratio (opt GT5)
Crew Cab 4.10 ratio (opt GT5)
4x4 3.73 ratio (opt GT4)
exc. Crew Cab 4x2 3.08 ratio (opt GU4)
exc. Crew Cab 4x4 3.73 ratio (opt GT4)
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 4.10 ratio (opt GT5)
semi-floating axle 3.73 ratio (opt GT4)
10.50" 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 4.10 ratio (opt GT5)
10.50" ring gear 4.10 ratio (opt GT5)
SRW 4.10 ratio (opt GT5)
SRW 3.73 ratio (opt GT4)
Standard Rear Axle Option Only
MT (opt M10)
AT (opt M32)
4x2 3.42 axle ratio (opt GU6)
4x4 12 bolt cover 3.08 ratio (opt GU4)
4x2 3.73 ratio (opt GT4)
4x4 3.42 axle ratio (opt GU6)
4x4 3.08 ratio (opt GU4)
4x4 3.73 ratio (opt GT4)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x2 2.73 ratio (opt GU2)
4x2 3.08 ratio (opt GU4)
4x4 12 bolt cover 4.11 ratio (opt GT5)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x4 12 bolt cover 4.11 ratio (opt GT5)
4x4 10 bolt cover 3.08 ratio (opt GU4)
4x2 4.10 ratio (opt GT5)
4x2 5 lug wheel 3.73 ratio (opt GT4)
4x2 8 lug wheel 3.73 ratio (opt GT4)
4x4 3.08 ratio (opt GU4)
4x4 14 bolt cover 3.73 ratio (opt GT4)
4x4 8 lug wheel 3.73 ratio (opt GT4)
4x4 4.10 ratio (opt GT5)
4x2 semi-floating 3.73 ratio (opt GT4)
4x2 semi-floating 4.56 ratio (opt HC4)
4x4 4.10 ratio (opt GT5)
4x2 full-floating 3.21 ratio (opt HC8)
4x2 semi-floating 3.21 ratio (opt HC8)
4x2 full-floating 4.56 ratio (opt HC4)
4x2 semi-floating 4.10 ratio (opt GT5)
4x4 3.73 ratio (opt GT4)
4x4 3.42 axle ratio (opt GU6)
4x2 full-floating 4.10 ratio (opt GT5)
4x4 3.73 ratio (opt GT4)
4x4 4.10 ratio (opt GT5)
4x2 full-floating 4.10 ratio (opt GT5)
4x2 full-floating 3.73 ratio (opt GT4)
4x2 3.73 ratio (opt GT4)
4x2 semi-floating 3.23 ratio (opt GU5)
4x4 (3.73 ratio, opt GT4)
4x2 full-floating 3.21 ratio (opt HC8)
4x2 (3.73 ratio, opt GT4)
4x2 full-floating 4.56 ratio (opt HC4)
4x2 3.42 axle ratio (opt GU6)
4x2 w/o police 4.10 ratio (opt GT5)
4x2 3.73 ratio (opt GT4)
4x4 3.73 ratio (opt GT4)
2 Dr 4x4 3.42 axle ratio (opt GU6)
4 Dr 4x2 3.08 ratio (opt GU4)
4 Dr 4x4 3.73 ratio (opt GT4)
4 Dr 4x4 3.42 axle ratio (opt GU6)
4x2 w/o police 3.23 ratio (opt GU5)
2 Dr 4x4 3.73 ratio (opt GT4)
ABS MT (4.62 ratio)
ABS AT (4.88 ratio)
AT (4.62 ratio)
ABS 2 Dr AT (4.30 ratio)
ABS MT 2.0L (4.62 ratio)
w/o ABS MT (4.62 ratio)
AT Calif (4.30 ratio)
w/o ABS MT 1.6L (5.12 ratio)
w/o ABS 2 Dr AT (4.30 ratio)
w/o ABS MT 2.0L (4.62 ratio)
5.3L 3.73 ratio
5.3L 3.42 ratio
4.2L 18" wheel 3.42 ratio
4.2L 17" wheel 3.42 ratio
4.2L 17" wheel 4.10 ratio
6.0L
4.2L 18" wheel 4.10 ratio
5.3L 4.10 ratio
4.2L 17" wheel 3.73 ratio
4.2L 20" wheel 3.73 ratio
Standard Rear Axle Option Only
(AWD)
(AWD)
(AWD)