Standard Rear Axle Option Only
3.55 ratio
3.90 ratio
3.21 ratio
Standard Rear Axle Option Only
4x2 4.10 ratio (opt GT5)
4x4 3.42 axle ratio (opt GU6)
4x4 6 lug wheel 4.10 ratio (opt GT5)
4x2 3.42 axle ratio (opt GU6)
4x2 full-floating 4.56 ratio (opt HC4)
4x2 4.56 ratio (opt HC4)
4x2 model VIN R 3.73 ratio (opt GT4)
4x4 full-floating 3.73 ratio (opt GT4)
4x4 8 lug wheel 4.10 ratio (opt GT5)
4x4 full-floating 4.10 ratio (opt GT5)
10 bolt cover 3.21 ratio
10 bolt cover (Dana 60, 4.09 ratio)
10 bolt cover 3.90 ratio
12 bolt cover 5 lug 3.21 ratio
10 bolt cover 3.55 ratio
12 bolt cover 5 lug 3.55 ratio
12 bolt cover 5 lug 3.90 ratio
12 bolt cover 8 lug (3.54 ratio)
4x2 SRW 3.23 ratio (opt GU5)
4x2 SRW 4.56 ratio (opt HC4)
4x4 SRW 4.56 ratio (opt HC4)
4x2 SRW 3.42 axle ratio (opt GU6)
4x2 SRW 4.10 ratio (opt GT5)
4x2 SRW 3.73 ratio (opt GT4)
4x4 SRW 4.10 ratio (opt GT5)
4x4 SRW 3.42 axle ratio (opt GU6)
4x4 SRW 3.73 ratio (opt GT4)
DRW 10-1/2" ring gear 125" WB
DRW 146" WB 10-1/2" ring gear
DRW 146" WB 9-3/4" ring gear
DRW 6200 GVW 146" WB
DRW 9-3/4" ring gear 146" WB
exc. 30 HD DRW
SRW full-floating
DRW 125" WB 10-1/2" ring gear
DRW 6200 GVW 125" WB
SRW full-floating 13x3-1/2 brakes
4x4 DRW 3.42 axle ratio (opt GU6)
4x4 DRW 3.73 ratio (opt GT4)
4x2 DRW 3.73 ratio (opt GT4)
4x2 DRW 3.42 axle ratio (opt GU6)
4x4 DRW 4.10 ratio (opt GT5)
4x2 DRW 4.10 ratio (opt GT5)
4x2 DRW 4.56 ratio (opt HC4)
4x4 DRW 4.56 ratio (opt HC4)
DRW 5700 GVW (125" WB, 8-454)
DRW 6200 GVW 146" WB
10 bolt cover 6200 lb 4.10 ratio
DRW 9-3/4" ring gear 125" WB
3500 HD wide track (opt 5T2)
12 bolt cover 3.90 ratio
SRW 14 bolt cover
DRW 9-3/4" ring gear 146" WB
DRW 146" WB 10-1/2" ring gear
SRW full-floating 13x3-1/2 brakes
2.56 ratio (opt GM8)
3.08 ratio (opt GU4)
4.11 ratio (opt HO4)
3.42 axle ratio (opt GU6)
2.73 ratio (opt GU2)
3.23 ratio (opt GU5)
3.73 ratio (opt GT4)
4.10 ratio (opt GT5)
3.73 ratio (opt GT4)
4.10 ratio (opt GT5)
3.73 ratio (opt GT4)
4.10 ratio (opt GT5)
disc rear brakes w/o traction control
MT transmission opt MM6
drum rear brakes
LT MT
traction control (opt NW9) 5.7L
disc rear brakes 9 bolt cover
MT 3.6L
disc rear brakes aluminum caliper
disc rear brakes cast iron caliper
LS AT 3.27 ratio (opt GW6)
(round cover) 11x10-1/4 Sdn 9.5" brakes
cut-out cover exc. SW
round cover 11x10-1/4 4-3/4" BC
(round cover) 10-1/4x9-1/2 4-3/4" BC
round cover 11x10-1/4 5" BC
(round cover) 11x10-1/4 Sdn 11" brakes
(round cover) 11x10-1/4 SW
(round cover) 11x10-1/4 4-3/4" BC
cut-out cover SW
(round cover) 10-1/4x9-1/2
Standard Rear Axle Option Only
4x4 3.42 axle ratio (opt GU6)
4x4 12 bolt cover 4.11 ratio (opt GT5)
4x2 3.08 ratio (opt GU4)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x4 12 bolt cover 2.56 ratio (opt GM8)
4x2 2.56 ratio (opt GM8)
4x4 12 bolt cover 3.73 ratio (opt GT4)
4x4 10 bolt cover 2.56 ratio (opt GM8)
4x4 10 bolt cover 2.73 ratio (opt GU2)
4x4 12 bolt cover 3.08 ratio (opt GU4)
4x4 14 bolt cover 4.10 ratio (opt GT5)
4x2 10 bolt cover 3.73 ratio (opt GT4)
4x2 3.42 axle ratio (opt GU6)
4x4 10 bolt cover 4.10 ratio (opt GT5)
4x2 3.73 ratio (opt GT4)
4x2 10 bolt cover 2.73 ratio (opt GU2)
4x2 14 bolt cover 4.10 ratio (opt GT5)
4x4 14 bolt cover 3.73 ratio (opt GT4)
4x2 10 bolt cover 3.08 ratio (opt GU4)
4x2 14 bolt cover 3.73 ratio (opt GT4)
4x4 3.23 ratio (opt GU5)
4x2 crew cab 3.73 ratio (opt GT4)
4x4 3.73 ratio (opt GT4)
4x4 3.42 axle ratio (opt GU6)
4x2 crew cab 4.10 ratio (opt GT5)
4x2 crew cab 3.23 ratio (opt GU5)
4x4 3.21 ratio (opt HC8)
4x2 crew cab 4.56 ratio (opt HC4)
4x2 crew cab 3.42 axle ratio (opt GU6)
4x2 crew cab 3.21 ratio (opt HC8)
4x4 4.10 ratio (opt GT5)
4x2 sport suspension (opt ZQ8)
4x4 3.73 ratio (opt GT4)
4x2 off road suspension (opt Z71)
4x4 3.42 axle ratio (opt GU6)
Standard Rear Axle Option Only
(AWD)
active brake control (opt JL4)
3.42 axle ratio (opt GU6)
3.73 ratio (opt GT4)
8600 GVW (opt C6P) 4.10 ratio (opt GT5)
8500 GVW (opt C5F) 3.73 ratio (opt GT4)
10-1/2" ring gear (3.54 ratio, opt GH0)
9-3/4" ring gear 7300 GVW (opt C6A)
9-3/4" ring gear 4.10 ratio (opt GT5)
10-1/2" ring gear
9-1/2" ring gear (3.42 ratio, opt GU6)
8600 GVW (opt C6P) 3.73 ratio (opt GT4)
9-3/4" ring gear 3.73 ratio (opt GT4)
full floating axle (13 x 3.5" brakes)
Cutaway Van SRW 10-1/2" ring gear
cutaway SRW 9-1/2" ring gear
Cutaway Van SRW 9-1/2" ring gear
exc. cutaway 4.10 ratio (opt GT5)
cutaway DRW 10-1/2" ring gear
exc. cutaway 3.73 ratio (opt GT4)
cutaway DRW 4.10 ratio (opt GT5)
Cutaway Van DRW 4.10 ratio (opt GT5)
Cutaway Van DRW 3.73 ratio (opt GT4)
cutaway SRW 9-3/4" ring gear
20 Series 4.10 ratio (opt GT5)
30 Series SRW 3.23 ratio (opt GU5)
30 Series SRW 3.42 axle ratio (opt GU6)
20 Series
30 Series SRW 3.21 ratio (opt HC8)
20 Series 3.42 axle ratio (opt GU6)
30 Series drum rear brakes DRW
30 Series drum rear brakes SRW
20 Series 4.56 ratio (opt HC4)
30 Series DRW removable carrier late
(round cover) 10-1/4x9-1/2 4-3/4" BC
round cover 11x10-1/4 5" BC SW
(round cover) 11x10-1/4 4-3/4" BC
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
(8.5" ring gear, w/rear disc brakes)
cut-out cover exc. SW
cut-out cover 5" BC
round cover 11x10-1/4 5" BC
4.10 ratio (opt GT5)
3.42 axle ratio (opt GU6)
3.73 ratio (opt GT4)
Standard Rear Axle Option Only
Standard Rear Axle Option Only
4x4 4.10 ratio (opt GT5)
exc. Crew Cab 4x2 3.08 ratio (opt GU4)
Regular Cab 4x4 3.73 ratio (opt GT4)
exc. Crew Cab 4x4 4.10 ratio (opt GT5)
exc. Crew Cab 4x4 3.73 ratio (opt GT4)
Regular Cab 4x4 4.10 ratio (opt GT5)
Crew Cab 3.73 ratio (opt GT4)
4x4 3.73 ratio (opt GT4)
4x2 3.42 axle ratio (opt GU6)
4x2 3.08 ratio (opt GU4)
11.5" ring gear (3.73 ratio, opt GT4)
semi-floating axle 3.73 ratio (opt GT4)
10.5" ring gear 4.10 ratio (opt GT5)
10.5" ring gear 3.73 ratio (opt GT4)
full-floating axle 4.10 ratio (opt GT5)
full-floating axle 3.73 ratio (opt GT4)
semi-floating axle 4.10 ratio (opt GT5)
11.50" ring gear (3.73 ratio, opt GT4)
10.50" ring gear 4.10 ratio (opt GT5)
10.50" 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 3.42 axle ratio (opt GU6)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x4 3.73 ratio (opt GT4)
4x2 3.08 ratio (opt GU4)
4x4 12 bolt cover 3.08 ratio (opt GU4)
4x4 3.08 ratio (opt GU4)
4x4 3.42 axle ratio (opt GU6)
4x2 3.73 ratio (opt GT4)
4x4 4.11 ratio (opt GT5)
4x4 12 bolt cover 3.73 ratio (opt GT4)
4x2 2.73 ratio (opt GU2)
4x2 8 lug wheel 3.73 ratio (opt GT4)
4x4 14 bolt cover 3.73 ratio (opt GT4)
4x2 3.73 ratio (opt GT4)
4x4 8 lug wheel 3.73 ratio (opt GT4)
4x4 4.10 ratio (opt GT5)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x4 12 bolt cover 3.73 ratio (opt GT4)
4x4 3.08 ratio (opt GU4)
4x2 4.10 ratio (opt GT5)
4x2 full-floating 4.56 ratio (opt HC4)
4x4 3.42 axle ratio (opt GU6)
4x2 full-floating 3.73 ratio (opt GT4)
4x2 full-floating 4.10 ratio (opt GT5)
4x2 semi-floating 4.10 ratio (opt GT5)
4x2 semi-floating 3.23 ratio (opt GU5)
4x2 full-floating 3.21 ratio (opt HC8)
4x2 semi-floating 4.56 ratio (opt HC4)
4x4 4.10 ratio (opt GT5)
4x2 semi-floating 3.21 ratio (opt HC8)
4x2 full-floating 3.73 ratio (opt GT4)
4x4 3.42 axle ratio (opt GU6)
4x2 semi-floating 3.23 ratio (opt GU5)
4x2 semi-floating 3.73 ratio (opt GT4)
4x4 (3.73 ratio, opt GT4)
4x2 full-floating 4.56 ratio (opt HC4)
4x2 4.10 ratio (opt GT5)
4x4 3.73 ratio (opt GT4)
4x2 semi-floating 3.21 ratio (opt HC8)
4x2 semi-floating 4.56 ratio (opt HC4)
4x4 4.10 ratio (opt GT5)
Classic style 4x4 3.73 ratio (opt GT4)
4x2 w/o police 3.23 ratio (opt GU5)
4x4 3.42 axle ratio (opt GU6)
2 Dr 4x2 3.42 axle ratio (opt GU6)
4 Dr 4x2 3.08 ratio (opt GU4)
4x2 3.42 axle ratio (opt GU6)
4 Dr 4x2 3.42 axle ratio (opt GU6)
4x2 3.73 ratio (opt GT4)
2 Dr 4x2 3.73 ratio (opt GT4)
ABS AT (4.88 ratio)
MT (5.12 ratio)
w/o ABS MT 1.6L (5.12 ratio)
ABS 4 Dr (5.12 ratio)
AT Calif (4.30 ratio)
w/o ABS 2 Dr AT (4.30 ratio)
AT Fed (4.62 ratio)
w/o ABS MT (4.62 ratio)
w/o ABS AT (4.88 ratio)
ABS 2 Dr MT (5.12 ratio)
5.3L 3.42 ratio
4.2L 18" wheel 3.42 ratio
4.2L 18" wheel 3.73 ratio
4.2L 17" wheel 3.73 ratio
5.3L 3.73 ratio
4.2L 20" wheel 3.73 ratio
6.0L
4.2L 17" wheel 3.42 ratio
4.2L 18" wheel 4.10 ratio
5.3L 4.10 ratio
Standard Rear Axle Option Only
(AWD)
(AWD)
(AWD)