Standard Rear Axle Option Only
3.90 ratio
3.21 ratio
3.55 ratio
Standard Rear Axle Option Only
4x4 6 lug wheel 3.73 ratio (opt GT4)
4x2 full-floating 3.73 ratio (opt GT4)
4x4 full-floating 4.56 ratio (opt HC4)
4x2 4.56 ratio (opt HC4)
4x2 model VIN R 3.73 ratio (opt GT4)
4x2 3.73 ratio (opt GT4)
4x2 4.10 ratio (opt GT5)
4x2 model VIN R 4.56 ratio (opt HC4)
4x4 3.42 axle ratio (opt GU6)
4x2 full-floating 4.10 ratio (opt GT5)
10 bolt cover 3.55 ratio
10 bolt cover 3.21 ratio
12 bolt cover 5 lug 3.55 ratio
10 bolt cover 3.90 ratio
12 bolt cover 8 lug (3.54 ratio)
10 bolt cover (Dana 60, 4.09 ratio)
12 bolt cover 5 lug 3.21 ratio
12 bolt cover 5 lug 3.90 ratio
4x2 SRW 4.56 ratio (opt HC4)
4x4 SRW 4.56 ratio (opt HC4)
4x4 SRW 4.10 ratio (opt GT5)
4x2 SRW 3.42 axle ratio (opt GU6)
4x4 SRW 3.42 axle ratio (opt GU6)
4x2 SRW 3.73 ratio (opt GT4)
4x4 SRW 3.73 ratio (opt GT4)
4x2 SRW 4.10 ratio (opt GT5)
4x2 SRW 3.23 ratio (opt GU5)
SRW 14 bolt cover
exc. 30 HD SRW semi-floating
exc. 30 HD DRW
SRW semi-floating
30 HD drum Rear brakes
DRW 6200 GVW 146" WB
SRW full-floating
SRW 10 bolt cover
DRW 146" WB 10-1/2" ring gear
DRW 7500 GVW (146" WB)
4x4 DRW 4.56 ratio (opt HC4)
4x4 DRW 4.10 ratio (opt GT5)
4x4 DRW 3.73 ratio (opt GT4)
4x4 DRW 3.42 axle ratio (opt GU6)
4x2 DRW 3.42 axle ratio (opt GU6)
4x2 DRW 3.73 ratio (opt GT4)
4x2 DRW 4.56 ratio (opt HC4)
4x2 DRW 4.10 ratio (opt GT5)
DRW 146" WB 10-1/2" ring gear
DRW 7500 GVW (146" WB)
10 bolt cover 6200 lb 3.55 ratio
3500 HD wide track (opt 5T2)
SRW semi-floating
DRW 125" WB 10-1/2" ring gear
exc. 3500 HD SRW semi-floating
DRW 7500 GVW
3500 HD drum Rear brakes
SRW full-floating
4.11 ratio (opt HO4)
2.56 ratio (opt GM8)
3.42 axle ratio (opt GU6)
3.08 ratio (opt GU4)
3.73 ratio (opt GT4)
2.73 ratio (opt GU2)
3.23 ratio (opt GU5)
4.10 ratio (opt GT5)
3.73 ratio (opt GT4)
4.10 ratio (opt GT5)
4.10 ratio (opt GT5)
3.73 ratio (opt GT4)
drum rear brakes
MT transmission opt MG9
ZL1 MT
traction control (opt NW9) 3.8L
MT transmission opt MM6 Z28
ZL1 AT
w/o traction control
LT AT 2.92 ratio (opt GW8)
LT AT 3.27 ratio (opt GW6)
MT 6.2L
round cover 10-1/4x9-1/2 5" BC
(round cover) 10-1/4x9-1/2 5" BC
cut-out cover 4-3/4" BC
round cover 11x10-1/4 5" 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
cut-out cover 5" BC exc. SW
round cover 11x10-1/4 5" BC exc. SW
cut-out cover 5" BC SW
Standard Rear Axle Option Only
4x2 3.73 ratio (opt GT4)
4x2 3.42 axle ratio (opt GU6)
4x2 3.08 ratio (opt GU4)
4x4 10 bolt cover 2.73 ratio (opt GU2)
4x4 12 bolt cover 3.73 ratio (opt GT4)
4x4 3.42 axle ratio (opt GU6)
4x4 2.73 ratio (opt GU2)
4x4 12 bolt cover 4.11 ratio (opt GT5)
4x2 2.73 ratio (opt GU2)
4x4 12 bolt cover 3.08 ratio (opt GU4)
4x2 3.42 axle ratio (opt GU6)
4x2 4.10 ratio (opt GT5)
4x2 14 bolt cover 3.73 ratio (opt GT4)
4x2 14 bolt cover (3.73 ratio, opt GT4)
4x2 2.73 ratio (opt GU2)
4x2 3.73 ratio (opt GT4)
4x4 14 bolt cover 4.10 ratio (opt GT5)
4x2 10 bolt cover 3.08 ratio (opt GU4)
4x2 10 bolt cover 3.73 ratio (opt GT4)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x2 crew cab 3.21 ratio (opt HC8)
4x4 4.10 ratio (opt GT5)
4x4 3.42 axle ratio (opt GU6)
4x4 3.73 ratio (opt GT4)
4x2 crew cab 3.42 axle ratio (opt GU6)
4x4 3.21 ratio (opt HC8)
4x4 3.23 ratio (opt GU5)
4x2 crew cab 4.56 ratio (opt HC4)
4x2 crew cab 3.73 ratio (opt GT4)
4x2 crew cab 4.10 ratio (opt GT5)
4x4 3.42 axle ratio (opt GU6)
4x4 3.73 ratio (opt GT4)
4x4 4.10 ratio (opt GT5)
4x2 off road suspension (opt Z71)
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)
full floating axle (13 x 3.5" brakes)
9-1/2" ring gear (3.42 ratio, opt GU6)
10-1/2" ring gear
7300 GVW (opt C6A)
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)
8600 GVW (opt C6P) 3.73 ratio (opt GT4)
9-3/4" ring gear 3.73 ratio (opt GT4)
8500 GVW (opt C5F) 4.10 ratio (opt GT5)
cutaway DRW 10-3/4" ring gear
cutaway SRW 9-1/2" ring gear
Cutaway Van SRW 9-1/2" ring gear
Cutaway Van DRW 3.73 ratio (opt GT4)
cutaway DRW 4.10 ratio (opt GT5)
exc. cutaway 3.73 ratio (opt GT4)
cutaway DRW 10-1/2" ring gear
Cutaway Van DRW 4.10 ratio (opt GT5)
cutaway DRW
Cutaway Van SRW 10-1/2" ring gear
20 Series
20 Series 3.42 axle ratio (opt GU6)
30 Series SRW 3.23 ratio (opt GU5)
30 Series SRW 3.73 ratio (opt GT4)
30 Series DRW removable carrier early
30 Series DRW removable carrier late
30 Series SRW 4.56 ratio (opt HC4)
30 Series SRW 3.42 axle ratio (opt GU6)
20 Series 4.10 ratio (opt GT5)
30 Series drum rear brakes DRW
round cover 10-1/4x9-1/2 5" BC
round cover 11x10-1/4 5" BC exc. SW
(round cover) 10-1/4x9-1/2 4-3/4" BC
(round cover) 11x10-1/4 5" BC
round cover 10-1/4x9-1/2 4-3/4" BC
cut-out cover 4-3/4" BC
round cover 11x10-1/4 4-3/4" BC
round cover 11x10-1/4 5" BC SW
cut-out cover 5" BC SW
cut-out cover 5" BC
3.73 ratio (opt GT4)
3.42 axle ratio (opt GU6)
4.10 ratio (opt GT5)
Standard Rear Axle Option Only
Standard Rear Axle Option Only
8.6" ring gear (10 bolt) brake opt JD9
Regular Cab 4x2 3.73 ratio (opt GT4)
4x2 3.73 ratio (opt GT4)
4x2 3.08 ratio (opt GU4)
4x4 4.10 ratio (opt GT5)
Regular Cab 4x2 3.08 ratio (opt GU4)
exc. Crew Cab 4x4 3.73 ratio (opt GT4)
exc. Crew Cab 4x2 3.73 ratio (opt GT4)
exc. Crew Cab 4x4 4.10 ratio (opt GT5)
Regular Cab 4x4 4.10 ratio (opt GT5)
full-floating axle 4.10 ratio (opt GT5)
semi-floating axle 4.10 ratio (opt GT5)
10.5" ring gear 3.73 ratio (opt GT4)
10.50" ring gear 3.73 ratio (opt GT4)
full-floating axle 3.73 ratio (opt GT4)
semi-floating axle 3.73 ratio (opt GT4)
11.50" ring gear (3.73 ratio, opt GT4)
10.50" ring gear 4.10 ratio (opt GT5)
10.5" ring gear 4.10 ratio (opt GT5)
11.5" 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 3.08 ratio (opt GU4)
4x4 12 bolt cover 3.73 ratio (opt GT4)
4x2 3.42 axle ratio (opt GU6)
4x4 3.42 axle ratio (opt GU6)
4x4 12 bolt cover 4.11 ratio (opt GT5)
4x2 3.73 ratio (opt GT4)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x2 2.73 ratio (opt GU2)
4x4 4.11 ratio (opt GT5)
4x4 12 bolt cover 3.08 ratio (opt GU4)
4x2 2.73 ratio (opt GU2)
4x4 8 lug wheel 3.73 ratio (opt GT4)
4x4 14 bolt cover 3.73 ratio (opt GT4)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x4 4.10 ratio (opt GT5)
4x2 3.42 axle ratio (opt GU6)
4x4 10 bolt cover 3.08 ratio (opt GU4)
4x4 3.08 ratio (opt GU4)
4x2 3.08 ratio (opt GU4)
4x4 3.73 ratio (opt GT4)
4x2 full-floating 3.21 ratio (opt HC8)
4x2 full-floating 4.56 ratio (opt HC4)
4x4 3.42 axle ratio (opt GU6)
4x2 full-floating 3.73 ratio (opt GT4)
4x2 semi-floating 4.56 ratio (opt HC4)
4x2 semi-floating 3.73 ratio (opt GT4)
4x4 3.73 ratio (opt GT4)
4x2 full-floating 4.10 ratio (opt GT5)
4x4 4.10 ratio (opt GT5)
4x2 semi-floating 4.10 ratio (opt GT5)
4x4 3.73 ratio (opt GT4)
4x2 full-floating 4.10 ratio (opt GT5)
4x2 4.10 ratio (opt GT5)
4x4 (3.73 ratio, opt GT4)
4x4 4.10 ratio (opt GT5)
4x2 semi-floating 3.23 ratio (opt GU5)
4x2 3.73 ratio (opt GT4)
4x2 full-floating 4.56 ratio (opt HC4)
4x2 semi-floating 3.73 ratio (opt GT4)
4x2 semi-floating 4.56 ratio (opt HC4)
4x2 w/o police 3.73 ratio (opt GT4)
4 Dr 4x4 3.42 axle ratio (opt GU6)
4 Dr 4x2 3.08 ratio (opt GU4)
2 Dr 4x2 3.42 axle ratio (opt GU6)
4x4 3.73 ratio (opt GT4)
4x2 w/o police 4.10 ratio (opt GT5)
4x4 4.10 ratio (opt GT5)
4x2 w/o police 3.23 ratio (opt GU5)
4x4 3.42 axle ratio (opt GU6)
4x2 3.73 ratio (opt GT4)
AT Calif (4.30 ratio)
w/o ABS 2 Dr AT (4.30 ratio)
ABS AT (4.88 ratio)
w/o ABS MT 2.0L (4.62 ratio)
ABS MT 1.6L (5.12 ratio)
AT (4.62 ratio)
ABS MT (4.62 ratio)
ABS 4 Dr (5.12 ratio)
ABS 2 Dr MT (5.12 ratio)
w/o ABS MT (4.62 ratio)
4.2L 20" wheel 3.73 ratio
6.0L
5.3L 3.73 ratio
4.2L 18" wheel 3.73 ratio
5.3L 4.10 ratio
4.2L 17" wheel 3.42 ratio
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
Standard Rear Axle Option Only
(AWD)
(AWD)
(AWD)