Standard Rear Axle Option Only
3.21 ratio
3.55 ratio
3.90 ratio
Standard Rear Axle Option Only
4x2 3.42 axle ratio (opt GU6)
4x4 8 lug wheel 4.10 ratio (opt GT5)
4x2 4.10 ratio (opt GT5)
4x4 8 lug wheel 4.56 ratio (opt HC4)
4x2 full-floating 3.73 ratio (opt GT4)
4x2 full-floating 4.56 ratio (opt HC4)
4x2 4.56 ratio (opt HC4)
4x2 model VIN R 4.10 ratio (opt GT5)
4x4 3.42 axle ratio (opt GU6)
4x2 3.73 ratio (opt GT4)
12 bolt cover 5 lug 3.55 ratio
12 bolt cover 5 lug 3.21 ratio
12 bolt cover 5 lug 3.90 ratio
10 bolt cover 3.90 ratio
12 bolt cover 8 lug (3.54 ratio)
10 bolt cover 3.55 ratio
10 bolt cover 3.21 ratio
10 bolt cover (Dana 60, 4.09 ratio)
4x2 SRW 3.42 axle ratio (opt GU6)
4x2 SRW 3.73 ratio (opt GT4)
4x2 SRW 4.56 ratio (opt HC4)
4x4 SRW 3.42 axle ratio (opt GU6)
4x2 SRW 4.10 ratio (opt GT5)
4x4 SRW 3.73 ratio (opt GT4)
4x4 SRW 4.56 ratio (opt HC4)
4x2 SRW 3.23 ratio (opt GU5)
4x4 SRW 4.10 ratio (opt GT5)
DRW 7500 GVW (146" WB)
DRW 125" WB 9-3/4" ring gear
SRW full-floating
30 HD drum Rear brakes
exc. 30 HD DRW
DRW 7500 GVW
SRW full-floating 13x2-1/2 brakes
SRW 14 bolt cover
SRW full-floating 13x3-1/2 brakes
30 HD wide track (opt 5T2)
4x2 DRW 3.73 ratio (opt GT4)
4x2 DRW 4.10 ratio (opt GT5)
4x4 DRW 4.10 ratio (opt GT5)
4x4 DRW 3.42 axle ratio (opt GU6)
4x2 DRW 3.42 axle ratio (opt GU6)
4x2 DRW 4.56 ratio (opt HC4)
4x4 DRW 3.73 ratio (opt GT4)
4x4 DRW 4.56 ratio (opt HC4)
SRW full-floating 13x2-1/2 brakes
DRW 125" WB 9-3/4" ring gear
3500 HD drum Rear brakes
exc. 3500 HD SRW semi-floating
DRW 146" WB 10-1/2" ring gear
DRW 10-1/2" ring gear 125" WB
DRW 125" WB 10-1/2" ring gear
SRW semi-floating
10 bolt cover 5500 lb 3.55 ratio
DRW 7500 GVW (146" WB)
3.23 ratio (opt GU5)
2.56 ratio (opt GM8)
2.73 ratio (opt GU2)
4.11 ratio (opt HO4)
3.08 ratio (opt GU4)
3.73 ratio (opt GT4)
4.10 ratio (opt GT5)
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)
drum rear brakes
SS AT
LT AT 3.27 ratio (opt GW6)
w/o traction control
AT 3.6L
disc rear brakes w/o traction control
disc rear brakes
MT transmission opt MG9
MT transmission opt MM6
disc rear brakes 10 bolt cover
round cover 11x10-1/4 4-3/4" BC
cut-out cover 5" BC SW
cut-out cover SW
(round cover) 11x10-1/4 4-3/4" BC
(round cover) 10-1/4x9-1/2
cut-out cover 5" BC exc. SW
7.625" ring gear
round cover 10-1/4x9-1/2 4-3/4" BC
(round cover) 11x10-1/4 5" BC exc. SW
(round cover) 11x10-1/4 Sdn 9.5" brakes
Standard Rear Axle Option Only
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x2 3.42 axle ratio (opt GU6)
4x4 3.73 ratio (opt GT4)
4x2 2.73 ratio (opt GU2)
4x4 12 bolt cover 3.08 ratio (opt GU4)
4x2 3.08 ratio (opt GU4)
4x4 10 bolt cover 2.73 ratio (opt GU2)
4x4 3.08 ratio (opt GU4)
4x2 3.73 ratio (opt GT4)
4x4 10 bolt cover 2.56 ratio (opt GM8)
4x4 14 bolt cover 4.10 ratio (opt GT5)
4x4 10 bolt cover 4.10 ratio (opt GT5)
4x2 3.73 ratio (opt GT4)
4x2 3.08 ratio (opt GU4)
4x2 10 bolt cover 3.73 ratio (opt GT4)
4x2 3.42 axle ratio (opt GU6)
4x2 10 bolt cover 3.08 ratio (opt GU4)
4x2 10 bolt cover 4.10 ratio (opt GT5)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x2 14 bolt cover 4.10 ratio (opt GT5)
4x2 crew cab 3.23 ratio (opt GU5)
4x4 3.42 axle ratio (opt GU6)
4x2 crew cab 4.56 ratio (opt HC4)
4x2 crew cab 3.73 ratio (opt GT4)
4x4 3.23 ratio (opt GU5)
4x4 3.73 ratio (opt GT4)
4x4 4.10 ratio (opt GT5)
4x2 crew cab 3.42 axle ratio (opt GU6)
4x4 3.21 ratio (opt HC8)
4x2 crew cab 4.10 ratio (opt GT5)
4x4 3.73 ratio (opt GT4)
4x4 4.10 ratio (opt GT5)
4x4 3.42 axle ratio (opt GU6)
4x2 sport suspension (opt ZQ8)
4x2 off road suspension (opt Z71)
Standard Rear Axle Option Only
(AWD)
3.73 ratio (opt GT4)
active brake control (opt JL4)
3.42 axle ratio (opt GU6)
9-3/4" ring gear 7300 GVW (opt C6A)
8600 GVW (opt C6P) 3.73 ratio (opt GT4)
full floating axle (13 x 3.5" brakes)
9-1/2" ring gear (3.42 ratio, opt GU6)
8500 GVW (opt C5F) 3.73 ratio (opt GT4)
9-3/4" ring gear 4.10 ratio (opt GT5)
8600 GVW (opt C6P) 4.10 ratio (opt GT5)
7300 GVW (opt C6A)
10-1/2" ring gear
8500 GVW (opt C5F) 4.10 ratio (opt GT5)
cutaway SRW 9-1/2" ring gear
cutaway DRW 4.10 ratio (opt GT5)
exc. cutaway
cutaway SRW
cutaway DRW 10-1/2" ring gear
exc. cutaway 3.73 ratio (opt GT4)
cutaway SRW 9-3/4" ring gear
Cutaway Van DRW 3.73 ratio (opt GT4)
Cutaway Van SRW 10-1/2" ring gear
cutaway DRW
20 Series 3.73 ratio (opt GT4)
30 Series DRW removable carrier early
20 Series 3.42 axle ratio (opt GU6)
30 Series SRW 3.23 ratio (opt GU5)
30 Series drum rear brakes SRW
30 Series SRW 3.21 ratio (opt HC8)
30 Series SRW 4.56 ratio (opt HC4)
30 Series SRW 4.10 ratio (opt GT5)
20 Series 3.21 ratio (opt HC8)
20 Series
(round cover) 11x10-1/4 4-3/4" BC
(8.5" ring gear, w/rear disc brakes)
round cover 10-1/4x9-1/2 5" BC
(round cover) 10-1/4x9-1/2 4-3/4" BC
(round cover) 10-1/4x9-1/2 5" BC
round cover 11x10-1/4 4-3/4" BC
cut-out cover exc. SW
(round cover) 11x10-1/4 5" BC
round cover 11x10-1/4 5" BC
cut-out cover 5" BC SW
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
Crew Cab 3.73 ratio (opt GT4)
4x2 3.73 ratio (opt GT4)
Regular Cab 4x2 3.73 ratio (opt GT4)
4x2 3.08 ratio (opt GU4)
exc. Crew Cab 4x2 3.73 ratio (opt GT4)
exc. Crew Cab 4x4 3.73 ratio (opt GT4)
Regular Cab 4x4 4.10 ratio (opt GT5)
exc. Crew Cab 4x4 4.10 ratio (opt GT5)
Regular Cab 4x2 3.08 ratio (opt GU4)
Regular Cab 4x4 3.73 ratio (opt GT4)
11.5" ring gear (3.73 ratio, opt GT4)
semi-floating axle 4.10 ratio (opt GT5)
10.50" ring gear 3.73 ratio (opt GT4)
11.50" ring gear (3.73 ratio, opt GT4)
10.50" ring gear 4.10 ratio (opt GT5)
full-floating axle 4.10 ratio (opt GT5)
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 3.73 ratio (opt GT4)
SRW 4.10 ratio (opt GT5)
SRW 3.73 ratio (opt GT4)
Standard Rear Axle Option Only
AT (opt M32)
MT (opt M10)
4x2 2.73 ratio (opt GU2)
4x4 3.73 ratio (opt GT4)
4x4 12 bolt cover 4.11 ratio (opt GT5)
4x4 4.11 ratio (opt GT5)
4x2 3.73 ratio (opt GT4)
4x2 3.42 axle ratio (opt GU6)
4x4 12 bolt cover 3.73 ratio (opt GT4)
4x2 3.08 ratio (opt GU4)
4x4 10 bolt cover 3.08 ratio (opt GU4)
4x4 3.42 axle ratio (opt GU6)
4x2 4.10 ratio (opt GT5)
4x4 4.10 ratio (opt GT5)
4x2 3.73 ratio (opt GT4)
4x2 5 lug wheel 3.73 ratio (opt GT4)
4x4 10 bolt cover 3.08 ratio (opt GU4)
4x2 3.42 axle ratio (opt GU6)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x4 8 lug wheel 3.73 ratio (opt GT4)
4x4 12 bolt cover 3.08 ratio (opt GU4)
4x2 3.08 ratio (opt GU4)
4x2 full-floating 4.10 ratio (opt GT5)
4x2 semi-floating 3.21 ratio (opt HC8)
4x2 full-floating 3.73 ratio (opt GT4)
4x2 semi-floating 3.23 ratio (opt GU5)
4x4 4.10 ratio (opt GT5)
4x4 3.73 ratio (opt GT4)
4x2 full-floating 4.56 ratio (opt HC4)
4x2 semi-floating 3.73 ratio (opt GT4)
4x4 3.42 axle ratio (opt GU6)
4x2 semi-floating 4.56 ratio (opt HC4)
4x4 4.10 ratio (opt GT5)
4x4 3.42 axle ratio (opt GU6)
4x2 semi-floating 3.23 ratio (opt GU5)
4x2 full-floating 4.10 ratio (opt GT5)
4x2 (3.73 ratio, opt GT4)
4x2 semi-floating 3.73 ratio (opt GT4)
4x2 full-floating 3.21 ratio (opt HC8)
4x2 4.10 ratio (opt GT5)
4x2 full-floating 4.56 ratio (opt HC4)
4x2 semi-floating 4.10 ratio (opt GT5)
4 Dr 4x2 3.42 axle ratio (opt GU6)
4 Dr 4x2 3.73 ratio (opt GT4)
4x2 3.73 ratio (opt GT4)
4 Dr 4x4 3.42 axle ratio (opt GU6)
2 Dr 4x2 3.08 ratio (opt GU4)
4x4 3.73 ratio (opt GT4)
4x2 w/o police 3.23 ratio (opt GU5)
2 Dr 4x2 3.42 axle ratio (opt GU6)
4x2 police (opt PPV)
2 Dr 4x4 3.42 axle ratio (opt GU6)
w/o ABS 2 Dr MT (5.12 ratio)
w/o ABS MT 1.6L (5.12 ratio)
ABS MT 2.0L (4.62 ratio)
ABS 4 Dr (5.12 ratio)
AT Fed (4.62 ratio)
w/o ABS 2 Dr AT (4.30 ratio)
w/o ABS MT (4.62 ratio)
MT (5.12 ratio)
w/o ABS MT 2.0L (4.62 ratio)
ABS 2 Dr AT (4.30 ratio)
6.0L
4.2L 18" wheel 3.42 ratio
4.2L 20" wheel 3.73 ratio
4.2L 18" wheel 4.10 ratio
4.2L 18" wheel 3.73 ratio
4.2L 17" wheel 4.10 ratio
4.2L 17" wheel 3.42 ratio
5.3L 3.42 ratio
5.3L 3.73 ratio
4.2L 20" wheel 3.42 ratio
Standard Rear Axle Option Only
(AWD)
(AWD)
(AWD)