Standard Rear Axle Option Only
3.21 ratio
3.90 ratio
3.55 ratio
Standard Rear Axle Option Only
4x2 full-floating 4.56 ratio (opt HC4)
4x4 8 lug wheel 3.73 ratio (opt GT4)
4x2 3.42 axle ratio (opt GU6)
4x4 6 lug wheel 3.73 ratio (opt GT4)
4x2 full-floating 3.73 ratio (opt GT4)
4x2 model VIN R 4.10 ratio (opt GT5)
4x4 8 lug wheel 4.56 ratio (opt HC4)
4x4 full-floating 4.10 ratio (opt GT5)
4x4 full-floating 4.56 ratio (opt HC4)
4x4 4.10 ratio (opt GT5)
12 bolt cover 8 lug (3.54 ratio)
12 bolt cover 5 lug 3.21 ratio
10 bolt cover 3.90 ratio
12 bolt cover 5 lug 3.90 ratio
10 bolt cover (Dana 60, 4.09 ratio)
12 bolt cover 5 lug 3.55 ratio
10 bolt cover 3.55 ratio
10 bolt cover 3.21 ratio
4x2 SRW 3.73 ratio (opt GT4)
4x4 SRW 3.42 axle ratio (opt GU6)
4x2 SRW 3.42 axle ratio (opt GU6)
4x4 SRW 3.73 ratio (opt GT4)
4x2 SRW 4.56 ratio (opt HC4)
4x2 SRW 3.23 ratio (opt GU5)
4x4 SRW 4.56 ratio (opt HC4)
4x2 SRW 4.10 ratio (opt GT5)
4x4 SRW 4.10 ratio (opt GT5)
SRW 14 bolt cover
DRW 125" WB 9-3/4" ring gear
DRW 6200 GVW 125" WB
DRW 146" WB 10-1/2" ring gear
DRW 6200 GVW 146" WB
DRW 9-3/4" ring gear 146" WB
SRW full-floating
SRW semi-floating
30 HD wide track (opt 5T2)
DRW 10-1/2" ring gear 125" WB
4x2 DRW 4.56 ratio (opt HC4)
4x4 DRW 4.10 ratio (opt GT5)
4x4 DRW 3.73 ratio (opt GT4)
4x2 DRW 3.42 axle ratio (opt GU6)
4x4 DRW 3.42 axle ratio (opt GU6)
4x2 DRW 4.10 ratio (opt GT5)
4x2 DRW 3.73 ratio (opt GT4)
4x4 DRW 4.56 ratio (opt HC4)
3500 HD drum Rear brakes
12 bolt cover 3.21 ratio
DRW 10-1/2" ring gear 146" WB
12 bolt cover 3.55 ratio
exc. 3500 HD SRW semi-floating
SRW semi-floating
10 bolt cover 5500 lb 4.10 ratio
SRW 14 bolt cover
10 bolt cover 5500 lb 3.55 ratio
DRW 125" WB 9-3/4" ring gear
3.08 ratio (opt GU4)
3.73 ratio (opt GT4)
2.73 ratio (opt GU2)
4.10 ratio (opt GT5)
3.23 ratio (opt GU5)
2.56 ratio (opt GM8)
4.11 ratio (opt HO4)
3.42 axle ratio (opt GU6)
3.73 ratio (opt GT4)
4.10 ratio (opt GT5)
4.10 ratio (opt GT5)
3.73 ratio (opt GT4)
MT transmission opt MM6 SS
AT transmission opt MYC
MT 6.2L
LS AT 2.92 ratio (opt GW8)
LT AT 2.92 ratio (opt GW8)
LS AT 3.27 ratio (opt GW6)
LS MT
disc rear brakes w/o traction control
w/o traction control
disc rear brakes cast iron caliper
(round cover) 11x10-1/4 5" BC exc. SW
cut-out cover exc. SW
7.625" ring gear
round cover 11x10-1/4 5" BC exc. SW
cut-out cover 5" BC exc. SW
(round cover) 11x10-1/4 SW
8.5" ring gear SW
(round cover) 10-1/4x9-1/2 5" BC
round cover 11x10-1/4 4-3/4" BC
cut-out cover 5" BC SW
Standard Rear Axle Option Only
4x4 12 bolt cover 3.08 ratio (opt GU4)
4x4 10 bolt cover 2.56 ratio (opt GM8)
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 3.73 ratio (opt GT4)
4x2 3.73 ratio (opt GT4)
4x4 3.08 ratio (opt GU4)
4x2 3.08 ratio (opt GU4)
4x4 12 bolt cover 2.73 ratio (opt GU2)
4x2 3.42 axle ratio (opt GU6)
4x2 14 bolt cover 3.73 ratio (opt GT4)
4x2 10 bolt cover 3.73 ratio (opt GT4)
4x2 14 bolt cover (3.73 ratio, opt GT4)
4x2 3.73 ratio (opt GT4)
4x4 14 bolt cover 3.73 ratio (opt GT4)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x2 10 bolt cover 2.73 ratio (opt GU2)
4x2 10 bolt cover 4.10 ratio (opt GT5)
4x2 3.08 ratio (opt GU4)
4x4 3.73 ratio (opt GT4)
4x4 4.10 ratio (opt GT5)
4x4 3.42 axle ratio (opt GU6)
4x4 3.21 ratio (opt HC8)
4x2 crew cab 3.73 ratio (opt GT4)
4x4 3.23 ratio (opt GU5)
4x2 crew cab 3.42 axle ratio (opt GU6)
4x2 crew cab 4.10 ratio (opt GT5)
4x2 crew cab 4.56 ratio (opt HC4)
4x2 crew cab 3.21 ratio (opt HC8)
4x2 sport suspension (opt ZQ8)
4x4 4.10 ratio (opt GT5)
4x4 3.42 axle ratio (opt GU6)
4x4 3.73 ratio (opt GT4)
4x2 off road suspension (opt Z71)
Standard Rear Axle Option Only
(AWD)
3.73 ratio (opt GT4)
3.42 axle ratio (opt GU6)
active brake control (opt JL4)
9-3/4" ring gear 3.73 ratio (opt GT4)
9-3/4" ring gear 7300 GVW (opt C6A)
9-3/4" ring gear 4.10 ratio (opt GT5)
9-1/2" ring gear (3.42 ratio, opt GU6)
7300 GVW (opt C6A)
8500 GVW (opt C5F) 4.10 ratio (opt GT5)
8600 GVW (opt C6P) 3.73 ratio (opt GT4)
10-1/2" ring gear (3.54 ratio, opt GH0)
10-1/2" ring gear
8500 GVW (opt C5F) 3.73 ratio (opt GT4)
cutaway DRW 3.73 ratio (opt GT4)
Cutaway Van DRW 3.73 ratio (opt GT4)
cutaway DRW 4.10 ratio (opt GT5)
exc. cutaway
cutaway SRW 9-1/2" ring gear
cutaway DRW 10-1/2" ring gear
Cutaway Van DRW 4.10 ratio (opt GT5)
exc. cutaway 4.10 ratio (opt GT5)
cutaway SRW 9-3/4" ring gear
Cutaway Van SRW 9-1/2" ring gear
20 Series 4.10 ratio (opt GT5)
20 Series 3.73 ratio (opt GT4)
20 Series 3.42 axle ratio (opt GU6)
20 Series
30 Series SRW 4.10 ratio (opt GT5)
20 Series 4.56 ratio (opt HC4)
30 Series SRW 4.56 ratio (opt HC4)
30 Series SRW 3.42 axle ratio (opt GU6)
20 Series 3.21 ratio (opt HC8)
30 Series SRW 3.73 ratio (opt GT4)
cut-out cover exc. SW
round cover 11x10-1/4 4-3/4" BC
cut-out cover 4-3/4" BC
(round cover) 11x10-1/4 4-3/4" BC
cut-out cover 5" BC
round cover 10-1/4x9-1/2 5" BC
(8.5" ring gear, w/rear disc brakes)
cut-out cover 5" BC exc. SW
round cover 10-1/4x9-1/2 4-3/4" BC
round cover 11x10-1/4 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
exc. Crew Cab 4x4 4.10 ratio (opt GT5)
Regular Cab 4x2 3.08 ratio (opt GU4)
8.6" ring gear (10 bolt) brake opt JD9
4x4 4.10 ratio (opt GT5)
Crew Cab 3.73 ratio (opt GT4)
exc. Crew Cab 4x2 3.08 ratio (opt GU4)
Regular Cab 4x2 3.73 ratio (opt GT4)
9.5" ring gear (14 bolt) brake opt JF3
Regular Cab 4x4 3.73 ratio (opt GT4)
4x2 3.73 ratio (opt GT4)
full-floating axle 3.73 ratio (opt GT4)
semi-floating axle 3.73 ratio (opt GT4)
10.50" ring gear 4.10 ratio (opt GT5)
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)
11.5" ring gear (3.73 ratio, opt GT4)
10.50" ring gear 3.73 ratio (opt GT4)
semi-floating axle 4.10 ratio (opt GT5)
11.50" 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)
4x4 3.42 axle ratio (opt GU6)
4x4 12 bolt cover 4.11 ratio (opt GT5)
4x4 3.73 ratio (opt GT4)
4x2 3.73 ratio (opt GT4)
4x4 4.11 ratio (opt GT5)
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 12 bolt cover 3.08 ratio (opt GU4)
4x4 3.08 ratio (opt GU4)
4x4 3.73 ratio (opt GT4)
4x4 4.10 ratio (opt GT5)
4x2 2.73 ratio (opt GU2)
4x4 14 bolt cover 3.73 ratio (opt GT4)
4x2 3.08 ratio (opt GU4)
4x4 3.42 axle ratio (opt GU6)
4x4 6 lug wheel 3.73 ratio (opt GT4)
4x4 12 bolt cover 3.08 ratio (opt GU4)
4x2 3.73 ratio (opt GT4)
4x4 3.08 ratio (opt GU4)
4x2 full-floating 3.73 ratio (opt GT4)
4x2 semi-floating 4.56 ratio (opt HC4)
4x4 4.10 ratio (opt GT5)
4x2 semi-floating 3.21 ratio (opt HC8)
4x4 3.73 ratio (opt GT4)
4x2 semi-floating 3.23 ratio (opt GU5)
4x2 semi-floating 4.10 ratio (opt GT5)
4x2 full-floating 4.10 ratio (opt GT5)
4x2 full-floating 4.56 ratio (opt HC4)
4x4 3.42 axle ratio (opt GU6)
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 3.21 ratio (opt HC8)
4x2 semi-floating 3.21 ratio (opt HC8)
4x2 (3.73 ratio, opt GT4)
4x4 3.42 axle ratio (opt GU6)
4x2 4.10 ratio (opt GT5)
4x2 3.73 ratio (opt GT4)
4 Dr 4x4 3.42 axle ratio (opt GU6)
4x4 3.73 ratio (opt GT4)
4 Dr 4x4 3.73 ratio (opt GT4)
4x2 w/o police 3.23 ratio (opt GU5)
2 Dr 4x4 3.73 ratio (opt GT4)
4x2 police (opt PPV)
4x4 3.42 axle ratio (opt GU6)
4x2 3.42 axle ratio (opt GU6)
4x2 w/o police 4.10 ratio (opt GT5)
2 Dr 4x2 3.08 ratio (opt GU4)
w/o ABS 4 Dr (5.12 ratio)
w/o ABS MT 1.6L (5.12 ratio)
ABS MT (4.62 ratio)
w/o ABS 2 Dr AT (4.30 ratio)
AT (4.62 ratio)
ABS AT (4.88 ratio)
w/o ABS AT (4.88 ratio)
ABS 2 Dr MT (5.12 ratio)
w/o ABS MT (4.62 ratio)
ABS MT 2.0L (4.62 ratio)
5.3L 3.73 ratio
4.2L 17" wheel 3.73 ratio
4.2L 20" wheel 3.42 ratio
6.0L
4.2L 20" wheel 3.73 ratio
5.3L 3.42 ratio
4.2L 17" wheel 4.10 ratio
4.2L 18" wheel 4.10 ratio
4.2L 18" wheel 3.73 ratio
4.2L 18" wheel 3.42 ratio
Standard Rear Axle Option Only
(AWD)
(AWD)
(AWD)