Standard Rear Axle Option Only
3.55 ratio
3.90 ratio
3.21 ratio
Standard Rear Axle Option Only
4x4 3.42 axle ratio (opt GU6)
4x4 3.73 ratio (opt GT4)
4x4 4.10 ratio (opt GT5)
4x2 4.10 ratio (opt GT5)
4x4 full-floating 4.10 ratio (opt GT5)
4x2 3.73 ratio (opt GT4)
4x4 full-floating 3.73 ratio (opt GT4)
4x2 4.56 ratio (opt HC4)
4x4 6 lug wheel 3.73 ratio (opt GT4)
4x4 8 lug wheel 4.10 ratio (opt GT5)
10 bolt cover 3.55 ratio
12 bolt cover 5 lug 3.90 ratio
10 bolt cover 3.21 ratio
10 bolt cover (Dana 60, 4.09 ratio)
12 bolt cover 8 lug (3.54 ratio)
12 bolt cover 5 lug 3.55 ratio
12 bolt cover 5 lug 3.21 ratio
10 bolt cover 3.90 ratio
4x4 SRW 3.42 axle ratio (opt GU6)
4x2 SRW 4.10 ratio (opt GT5)
4x2 SRW 4.56 ratio (opt HC4)
4x4 SRW 4.10 ratio (opt GT5)
4x4 SRW 3.73 ratio (opt GT4)
4x2 SRW 3.23 ratio (opt GU5)
4x2 SRW 3.42 axle ratio (opt GU6)
4x2 SRW 3.73 ratio (opt GT4)
4x4 SRW 4.56 ratio (opt HC4)
SRW full-floating 13x2-1/2 brakes
exc. 30 HD DRW
exc. 30 HD SRW semi-floating
DRW 10-1/2" ring gear 146" WB
SRW 14 bolt cover
SRW full-floating
DRW 9-3/4" ring gear 146" WB
30 HD wide track (opt 5T2)
DRW 5700 GVW (125" WB, 8-454)
30 HD drum Rear brakes
4x4 DRW 4.10 ratio (opt GT5)
4x2 DRW 4.56 ratio (opt HC4)
4x4 DRW 3.42 axle ratio (opt GU6)
4x4 DRW 3.73 ratio (opt GT4)
4x2 DRW 4.10 ratio (opt GT5)
4x2 DRW 3.73 ratio (opt GT4)
4x4 DRW 4.56 ratio (opt HC4)
4x2 DRW 3.42 axle ratio (opt GU6)
3500 HD drum Rear brakes
SRW full-floating
12 bolt cover 3.90 ratio
SRW full-floating 13x3-1/2 brakes
DRW 125" WB 10-1/2" ring gear
DRW 125" WB 9-3/4" ring gear
10 bolt cover 6200 lb 3.55 ratio
SRW 10 bolt cover
10 bolt cover 5500 lb 4.10 ratio
3500 HD w/o wide track
4.10 ratio (opt GT5)
3.08 ratio (opt GU4)
2.56 ratio (opt GM8)
3.73 ratio (opt GT4)
2.73 ratio (opt GU2)
4.11 ratio (opt HO4)
3.23 ratio (opt GU5)
3.42 axle ratio (opt GU6)
3.73 ratio (opt GT4)
4.10 ratio (opt GT5)
3.73 ratio (opt GT4)
4.10 ratio (opt GT5)
drum rear brakes
traction control (opt NW9) 3.8L
disc rear brakes w/o traction control
SS AT
disc rear brakes cast iron caliper
MT transmission opt M10
MT 6.2L
LS AT 2.92 ratio (opt GW8)
MT transmission opt MM6 Z28
LT MT
(round cover) 11x10-1/4 5" BC SW
cut-out cover 5" BC SW
cut-out cover 4-3/4" BC
round cover 11x10-1/4 4-3/4" BC
round cover 10-1/4x9-1/2 5" BC
round cover 11x10-1/4 5" BC
cut-out cover 5" BC exc. SW
(round cover) 10-1/4x9-1/2 5" BC
round cover 10-1/4x9-1/2 4-3/4" BC
(round cover) 11x10-1/4 5" BC exc. SW
Standard Rear Axle Option Only
4x4 12 bolt cover 2.56 ratio (opt GM8)
4x4 12 bolt cover 2.73 ratio (opt GU2)
4x4 12 bolt cover 3.08 ratio (opt GU4)
4x4 12 bolt cover 3.73 ratio (opt GT4)
4x4 10 bolt cover 3.08 ratio (opt GU4)
4x2 2.73 ratio (opt GU2)
4x2 3.42 axle ratio (opt GU6)
4x4 2.73 ratio (opt GU2)
4x4 10 bolt cover 2.73 ratio (opt GU2)
4x4 10 bolt cover 2.56 ratio (opt GM8)
4x2 4.10 ratio (opt GT5)
4x2 2.73 ratio (opt GU2)
4x2 14 bolt cover 4.10 ratio (opt GT5)
4x2 3.08 ratio (opt GU4)
4x2 3.73 ratio (opt GT4)
4x2 10 bolt cover 2.73 ratio (opt GU2)
4x4 14 bolt cover 3.73 ratio (opt GT4)
4x2 10 bolt cover 3.08 ratio (opt GU4)
4x2 3.42 axle ratio (opt GU6)
4x4 10 bolt cover 4.10 ratio (opt GT5)
4x2 crew cab 3.23 ratio (opt GU5)
4x2 crew cab 3.73 ratio (opt GT4)
4x4 3.42 axle ratio (opt GU6)
4x2 crew cab 3.21 ratio (opt HC8)
4x4 3.73 ratio (opt GT4)
4x2 crew cab 3.42 axle ratio (opt GU6)
4x4 3.21 ratio (opt HC8)
4x2 crew cab 4.56 ratio (opt HC4)
4x4 4.10 ratio (opt GT5)
4x2 crew cab 4.10 ratio (opt GT5)
4x2 off road suspension (opt Z71)
4x4 3.73 ratio (opt GT4)
4x4 3.42 axle ratio (opt GU6)
4x4 4.10 ratio (opt GT5)
4x2 sport suspension (opt ZQ8)
Standard Rear Axle Option Only
(AWD)
3.42 axle ratio (opt GU6)
3.73 ratio (opt GT4)
active brake control (opt JL4)
9-3/4" ring gear 4.10 ratio (opt GT5)
full floating axle (13 x 3.5" brakes)
10-1/2" ring gear
7300 GVW (opt C6A)
8500 GVW (opt C5F) 3.73 ratio (opt GT4)
9-1/2" ring gear (3.42 ratio, opt GU6)
9-3/4" ring gear 3.73 ratio (opt GT4)
8600 GVW (opt C6P) 3.73 ratio (opt GT4)
9-3/4" ring gear 7300 GVW (opt C6A)
8500 GVW (opt C5F) 4.10 ratio (opt GT5)
exc. cutaway 4.10 ratio (opt GT5)
cutaway DRW
exc. cutaway
cutaway SRW 10-1/2" ring gear
cutaway SRW
cutaway SRW 9-3/4" ring gear
cutaway SRW 9-1/2" ring gear
cutaway DRW 3.73 ratio (opt GT4)
Cutaway Van SRW 10-1/2" ring gear
cutaway DRW 10-1/2" ring gear
30 Series SRW 4.56 ratio (opt HC4)
20 Series 4.56 ratio (opt HC4)
20 Series 3.73 ratio (opt GT4)
30 Series drum rear brakes SRW
30 Series SRW 3.21 ratio (opt HC8)
30 Series DRW removable carrier
30 Series drum rear brakes DRW
30 Series DRW removable carrier late
20 Series 3.21 ratio (opt HC8)
20 Series 4.10 ratio (opt GT5)
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 SW
round cover 10-1/4x9-1/2 5" BC
round cover 11x10-1/4 5" BC
(8.5" ring gear, w/rear disc brakes)
round cover 11x10-1/4 5" BC exc. SW
cut-out cover SW
cut-out cover 4-3/4" BC
cut-out cover 5" BC SW
3.42 axle ratio (opt GU6)
3.73 ratio (opt GT4)
4.10 ratio (opt GT5)
Standard Rear Axle Option Only
Standard Rear Axle Option Only
8.6" ring gear (10 bolt) brake opt JD9
Crew Cab 4.10 ratio (opt GT5)
4x2 3.73 ratio (opt GT4)
4x2 3.08 ratio (opt GU4)
exc. Crew Cab 4x4 3.73 ratio (opt GT4)
Crew Cab 3.73 ratio (opt GT4)
4x2 3.42 axle ratio (opt GU6)
exc. Crew Cab 4x2 3.73 ratio (opt GT4)
9.5" ring gear (14 bolt) brake opt JF3
exc. Crew Cab 4x2 3.08 ratio (opt GU4)
10.50" ring gear 4.10 ratio (opt GT5)
semi-floating axle 4.10 ratio (opt GT5)
semi-floating axle 3.73 ratio (opt GT4)
10.5" ring gear 3.73 ratio (opt GT4)
10.5" ring gear 4.10 ratio (opt GT5)
full-floating axle 3.73 ratio (opt GT4)
11.50" ring gear (3.73 ratio, opt GT4)
11.5" ring gear (3.73 ratio, opt GT4)
10.50" ring gear 3.73 ratio (opt GT4)
full-floating axle 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)
4x4 12 bolt cover 4.11 ratio (opt GT5)
4x4 3.73 ratio (opt GT4)
4x2 3.42 axle ratio (opt GU6)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x4 12 bolt cover 3.73 ratio (opt GT4)
4x4 3.08 ratio (opt GU4)
4x4 12 bolt cover 3.08 ratio (opt GU4)
4x2 3.73 ratio (opt GT4)
4x2 2.73 ratio (opt GU2)
4x4 10 bolt cover 3.08 ratio (opt GU4)
4x2 2.73 ratio (opt GU2)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x4 12 bolt cover 3.73 ratio (opt GT4)
4x4 4.10 ratio (opt GT5)
4x2 5 lug wheel 3.73 ratio (opt GT4)
4x4 8 lug wheel 3.73 ratio (opt GT4)
4x2 3.08 ratio (opt GU4)
4x4 3.08 ratio (opt GU4)
4x2 8 lug wheel 3.73 ratio (opt GT4)
4x4 12 bolt cover 4.11 ratio (opt GT5)
4x2 full-floating 4.56 ratio (opt HC4)
4x2 semi-floating 3.21 ratio (opt HC8)
4x2 full-floating 3.73 ratio (opt GT4)
4x4 4.10 ratio (opt GT5)
4x2 full-floating 4.10 ratio (opt GT5)
4x2 semi-floating 3.73 ratio (opt GT4)
4x2 semi-floating 4.56 ratio (opt HC4)
4x2 semi-floating 3.23 ratio (opt GU5)
4x4 3.42 axle ratio (opt GU6)
4x2 full-floating 3.21 ratio (opt HC8)
4x4 (3.73 ratio, opt GT4)
4x2 4.10 ratio (opt GT5)
4x2 full-floating 4.10 ratio (opt GT5)
4x4 3.42 axle ratio (opt GU6)
4x2 (3.73 ratio, opt GT4)
4x2 full-floating 3.73 ratio (opt GT4)
4x2 semi-floating 3.21 ratio (opt HC8)
4x2 full-floating 4.56 ratio (opt HC4)
4x2 semi-floating 3.23 ratio (opt GU5)
4x2 semi-floating 4.56 ratio (opt HC4)
2 Dr 4x4 3.42 axle ratio (opt GU6)
4 Dr 4x2 3.73 ratio (opt GT4)
2 Dr 4x2 3.73 ratio (opt GT4)
4x2 w/o police 4.10 ratio (opt GT5)
4x2 w/o police 3.73 ratio (opt GT4)
2 Dr 4x2 3.42 axle ratio (opt GU6)
4 Dr 4x2 3.08 ratio (opt GU4)
4 Dr 4x2 3.42 axle ratio (opt GU6)
4 Dr 4x4 3.73 ratio (opt GT4)
4x2 police (opt PPV)
w/o ABS 2 Dr MT (5.12 ratio)
AT Calif (4.30 ratio)
w/o ABS MT (4.62 ratio)
ABS MT (4.62 ratio)
w/o ABS MT 2.0L (4.62 ratio)
ABS 2 Dr AT (4.30 ratio)
w/o ABS 4 Dr (5.12 ratio)
AT Fed (4.62 ratio)
AT (4.62 ratio)
w/o ABS MT 1.6L (5.12 ratio)
4.2L 18" wheel 4.10 ratio
5.3L 4.10 ratio
5.3L 3.73 ratio
6.0L
4.2L 17" wheel 3.42 ratio
5.3L 3.42 ratio
4.2L 18" wheel 3.73 ratio
4.2L 20" wheel 3.73 ratio
4.2L 17" wheel 3.73 ratio
4.2L 20" wheel 3.42 ratio
Standard Rear Axle Option Only
(AWD)
(AWD)
(AWD)