Standard Rear Axle Option Only
3.55 ratio
3.90 ratio
3.21 ratio
Standard Rear Axle Option Only
4x4 8 lug wheel 4.56 ratio (opt HC4)
4x4 full-floating 4.56 ratio (opt HC4)
4x4 8 lug wheel 3.73 ratio (opt GT4)
4x2 model VIN R 4.56 ratio (opt HC4)
4x2 model VIN R 3.73 ratio (opt GT4)
4x2 full-floating 4.10 ratio (opt GT5)
4x2 3.42 axle ratio (opt GU6)
4x4 full-floating 4.10 ratio (opt GT5)
4x2 model VIN R 4.10 ratio (opt GT5)
4x2 4.56 ratio (opt HC4)
12 bolt cover 8 lug (3.54 ratio)
12 bolt cover 5 lug 3.90 ratio
10 bolt cover 3.90 ratio
12 bolt cover 5 lug 3.55 ratio
12 bolt cover 5 lug 3.21 ratio
10 bolt cover (Dana 60, 4.09 ratio)
10 bolt cover 3.55 ratio
10 bolt cover 3.21 ratio
4x4 SRW 4.56 ratio (opt HC4)
4x2 SRW 3.42 axle ratio (opt GU6)
4x4 SRW 4.10 ratio (opt GT5)
4x4 SRW 3.73 ratio (opt GT4)
4x2 SRW 3.73 ratio (opt GT4)
4x4 SRW 3.42 axle ratio (opt GU6)
4x2 SRW 3.23 ratio (opt GU5)
4x2 SRW 4.10 ratio (opt GT5)
4x2 SRW 4.56 ratio (opt HC4)
DRW 10-1/2" ring gear 125" WB
exc. 30 HD SRW semi-floating
DRW 9-3/4" ring gear 125" WB
DRW 10-1/2" ring gear 146" WB
SRW full-floating 13x3-1/2 brakes
DRW 6200 GVW 146" WB
DRW 146" WB 9-3/4" ring gear
exc. 30 HD DRW
DRW 146" WB 10-1/2" ring gear
DRW 125" WB 9-3/4" ring gear
4x2 DRW 3.73 ratio (opt GT4)
4x4 DRW 4.56 ratio (opt HC4)
4x2 DRW 3.42 axle ratio (opt GU6)
4x4 DRW 3.73 ratio (opt GT4)
4x2 DRW 4.56 ratio (opt HC4)
4x4 DRW 3.42 axle ratio (opt GU6)
4x4 DRW 4.10 ratio (opt GT5)
4x2 DRW 4.10 ratio (opt GT5)
3500 HD drum Rear brakes
10 bolt cover 6200 lb 4.10 ratio
3500 HD wide track (opt 5T2)
DRW 7500 GVW (146" WB)
10 bolt cover 5500 lb 4.10 ratio
DRW 10-1/2" ring gear 146" WB
DRW 9-3/4" ring gear 146" WB
DRW 5700 GVW (125" WB, 8-454)
12 bolt cover 3.55 ratio
12 bolt cover 3.21 ratio
2.56 ratio (opt GM8)
4.11 ratio (opt HO4)
4.10 ratio (opt GT5)
3.23 ratio (opt GU5)
3.42 axle ratio (opt GU6)
2.73 ratio (opt GU2)
3.08 ratio (opt GU4)
3.73 ratio (opt GT4)
4.10 ratio (opt GT5)
3.73 ratio (opt GT4)
3.73 ratio (opt GT4)
4.10 ratio (opt GT5)
MT 6.2L
SS AT
MT transmission opt MM6 Z28
disc rear brakes w/o traction control
MT 3.6L
LT AT 2.92 ratio (opt GW8)
AT 6.2L
AT transmission opt MYC
disc rear brakes 9 bolt cover
MT transmission opt MM6 SS
(round cover) 10-1/4x9-1/2
(round cover) 11x10-1/4 SW
cut-out cover SW
(round cover) 11x10-1/4 5" BC SW
(round cover) 11x10-1/4 4-3/4" BC
round cover 11x10-1/4 4-3/4" BC
round cover 10-1/4x9-1/2 5" BC
cut-out cover 5" BC exc. SW
(round cover) 11x10-1/4 Sdn 9.5" brakes
round cover 11x10-1/4 5" BC exc. SW
Standard Rear Axle Option Only
4x4 10 bolt cover 3.08 ratio (opt GU4)
4x4 3.42 axle ratio (opt GU6)
4x4 12 bolt cover 2.56 ratio (opt GM8)
4x4 12 bolt cover 3.73 ratio (opt GT4)
4x2 2.73 ratio (opt GU2)
4x4 12 bolt cover 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 12 bolt cover 3.08 ratio (opt GU4)
4x2 2.73 ratio (opt GU2)
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)
4x2 10 bolt cover 4.10 ratio (opt GT5)
4x4 14 bolt cover 3.73 ratio (opt GT4)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x2 4.10 ratio (opt GT5)
4x2 14 bolt cover (3.73 ratio, opt GT4)
4x2 crew cab 4.56 ratio (opt HC4)
4x2 crew cab 3.42 axle ratio (opt GU6)
4x4 3.42 axle ratio (opt GU6)
4x4 3.73 ratio (opt GT4)
4x4 4.10 ratio (opt GT5)
4x4 3.23 ratio (opt GU5)
4x2 crew cab 3.23 ratio (opt GU5)
4x2 crew cab 3.73 ratio (opt GT4)
4x2 crew cab 4.10 ratio (opt GT5)
4x2 crew cab 3.21 ratio (opt HC8)
4x4 3.73 ratio (opt GT4)
4x2 sport suspension (opt ZQ8)
4x2 off road suspension (opt Z71)
4x4 3.42 axle ratio (opt GU6)
4x4 4.10 ratio (opt GT5)
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 3.73 ratio (opt GT4)
8500 GVW (opt C5F) 4.10 ratio (opt GT5)
9-3/4" ring gear 7300 GVW (opt C6A)
8500 GVW (opt C5F) 3.73 ratio (opt GT4)
10-1/2" ring gear
full floating axle (13 x 3.5" brakes)
9-1/2" ring gear (3.42 ratio, opt GU6)
7300 GVW (opt C6A)
8600 GVW (opt C6P) 3.73 ratio (opt GT4)
8600 GVW (opt C6P) 4.10 ratio (opt GT5)
exc. cutaway
cutaway DRW
Cutaway Van DRW 4.10 ratio (opt GT5)
exc. cutaway 3.73 ratio (opt GT4)
cutaway DRW 4.10 ratio (opt GT5)
Cutaway Van SRW 10-1/2" ring gear
cutaway DRW 10-3/4" ring gear
cutaway SRW
cutaway SRW 10-1/2" ring gear
cutaway DRW 3.73 ratio (opt GT4)
20 Series 4.56 ratio (opt HC4)
20 Series
30 Series DRW removable carrier early
30 Series drum rear brakes DRW
30 Series DRW removable carrier late
20 Series 4.10 ratio (opt GT5)
20 Series 3.42 axle ratio (opt GU6)
30 Series SRW 4.10 ratio (opt GT5)
30 Series SRW 3.21 ratio (opt HC8)
30 Series SRW 3.42 axle ratio (opt GU6)
round cover 11x10-1/4 4-3/4" BC
cut-out cover exc. SW
round cover 10-1/4x9-1/2 5" BC
round cover 11x10-1/4 5" BC exc. SW
(round cover) 11x10-1/4 5" BC
(8.5" ring gear, w/rear disc brakes)
round cover 10-1/4x9-1/2 4-3/4" BC
cut-out cover 5" BC SW
round cover 11x10-1/4 5" BC SW
(round cover) 10-1/4x9-1/2 4-3/4" BC
4.10 ratio (opt GT5)
3.73 ratio (opt GT4)
3.42 axle ratio (opt GU6)
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)
4x4 4.10 ratio (opt GT5)
4x2 3.73 ratio (opt GT4)
exc. Crew Cab 4x4 4.10 ratio (opt GT5)
Regular Cab 4x2 3.08 ratio (opt GU4)
exc. Crew Cab 4x2 3.08 ratio (opt GU4)
exc. Crew Cab 4x2 3.73 ratio (opt GT4)
Regular Cab 4x4 4.10 ratio (opt GT5)
Crew Cab 3.73 ratio (opt GT4)
11.5" ring gear (3.73 ratio, opt GT4)
10.50" ring gear 4.10 ratio (opt GT5)
semi-floating axle 4.10 ratio (opt GT5)
10.5" ring gear 4.10 ratio (opt GT5)
full-floating axle 4.10 ratio (opt GT5)
10.5" ring gear 3.73 ratio (opt GT4)
semi-floating axle 3.73 ratio (opt GT4)
full-floating axle 3.73 ratio (opt GT4)
11.50" ring gear (3.73 ratio, opt GT4)
10.50" ring gear 3.73 ratio (opt GT4)
SRW 3.73 ratio (opt GT4)
SRW 4.10 ratio (opt GT5)
Standard Rear Axle Option Only
AT (opt M32)
MT (opt M10)
4x2 3.08 ratio (opt GU4)
4x4 10 bolt cover 3.08 ratio (opt GU4)
4x4 12 bolt cover 3.08 ratio (opt GU4)
4x4 12 bolt cover 3.73 ratio (opt GT4)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x4 3.08 ratio (opt GU4)
4x4 3.42 axle ratio (opt GU6)
4x2 3.42 axle ratio (opt GU6)
4x4 4.11 ratio (opt GT5)
4x4 3.73 ratio (opt GT4)
4x4 12 bolt cover 3.73 ratio (opt GT4)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x4 3.73 ratio (opt GT4)
4x2 3.08 ratio (opt GU4)
4x2 3.73 ratio (opt GT4)
4x4 10 bolt cover 3.08 ratio (opt GU4)
4x2 2.73 ratio (opt GU2)
4x4 12 bolt cover 3.08 ratio (opt GU4)
4x4 6 lug wheel 3.73 ratio (opt GT4)
4x2 4.10 ratio (opt GT5)
4x2 full-floating 3.73 ratio (opt GT4)
4x2 semi-floating 3.23 ratio (opt GU5)
4x4 4.10 ratio (opt GT5)
4x2 semi-floating 3.21 ratio (opt HC8)
4x4 3.42 axle ratio (opt GU6)
4x2 semi-floating 4.10 ratio (opt GT5)
4x2 full-floating 4.56 ratio (opt HC4)
4x2 semi-floating 4.56 ratio (opt HC4)
4x4 3.73 ratio (opt GT4)
4x2 full-floating 4.10 ratio (opt GT5)
4x4 (3.73 ratio, opt GT4)
4x2 full-floating 4.56 ratio (opt HC4)
4x4 3.42 axle ratio (opt GU6)
4x4 3.73 ratio (opt GT4)
4x2 3.73 ratio (opt GT4)
4x2 semi-floating 3.21 ratio (opt HC8)
4x2 semi-floating 4.56 ratio (opt HC4)
4x2 semi-floating 4.10 ratio (opt GT5)
4x2 full-floating 3.73 ratio (opt GT4)
4x2 4.10 ratio (opt GT5)
2 Dr 4x4 3.42 axle ratio (opt GU6)
4 Dr 4x2 3.42 axle ratio (opt GU6)
4x4 3.42 axle ratio (opt GU6)
4x4 3.73 ratio (opt GT4)
2 Dr 4x2 3.08 ratio (opt GU4)
2 Dr 4x2 3.42 axle ratio (opt GU6)
4 Dr 4x2 3.08 ratio (opt GU4)
2 Dr 4x2 3.73 ratio (opt GT4)
4x4 4.10 ratio (opt GT5)
4x2 3.42 axle ratio (opt GU6)
w/o ABS MT 1.6L (5.12 ratio)
AT Fed (4.62 ratio)
w/o ABS 2 Dr AT (4.30 ratio)
ABS MT 2.0L (4.62 ratio)
AT (4.62 ratio)
ABS 4 Dr (5.12 ratio)
w/o ABS 4 Dr (5.12 ratio)
w/o ABS MT (4.62 ratio)
AT Calif (4.30 ratio)
ABS 2 Dr MT (5.12 ratio)
4.2L 20" wheel 3.42 ratio
5.3L 3.42 ratio
5.3L 3.73 ratio
4.2L 18" wheel 3.42 ratio
4.2L 17" wheel 3.73 ratio
4.2L 17" wheel 4.10 ratio
5.3L 4.10 ratio
4.2L 18" wheel 3.73 ratio
4.2L 17" wheel 3.42 ratio
4.2L 20" wheel 3.73 ratio
Standard Rear Axle Option Only
(AWD)
(AWD)
(AWD)