Standard Rear Axle Option Only
3.55 ratio
3.21 ratio
3.90 ratio
Standard Rear Axle Option Only
4x4 3.42 axle ratio (opt GU6)
4x2 4.56 ratio (opt HC4)
4x4 8 lug wheel 3.73 ratio (opt GT4)
4x4 8 lug wheel 4.56 ratio (opt HC4)
4x2 4.10 ratio (opt GT5)
4x2 3.73 ratio (opt GT4)
4x4 full-floating 4.10 ratio (opt GT5)
4x2 model VIN R 4.10 ratio (opt GT5)
4x2 full-floating 3.73 ratio (opt GT4)
4x2 model VIN R 3.73 ratio (opt GT4)
10 bolt cover 3.55 ratio
12 bolt cover 5 lug 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
10 bolt cover 3.90 ratio
10 bolt cover 3.21 ratio
12 bolt cover 5 lug 3.55 ratio
4x4 SRW 3.73 ratio (opt GT4)
4x4 SRW 4.56 ratio (opt HC4)
4x2 SRW 3.73 ratio (opt GT4)
4x2 SRW 4.56 ratio (opt HC4)
4x2 SRW 3.42 axle ratio (opt GU6)
4x4 SRW 3.42 axle ratio (opt GU6)
4x2 SRW 3.23 ratio (opt GU5)
4x2 SRW 4.10 ratio (opt GT5)
4x4 SRW 4.10 ratio (opt GT5)
exc. 30 HD SRW semi-floating
DRW 7500 GVW
SRW full-floating 13x2-1/2 brakes
DRW 7500 GVW (146" WB)
DRW 10-1/2" ring gear 146" WB
DRW 9-3/4" ring gear 125" WB
SRW 14 bolt cover
SRW full-floating 13x3-1/2 brakes
DRW 125" WB 10-1/2" ring gear
exc. 30 HD DRW
4x4 DRW 4.56 ratio (opt HC4)
4x4 DRW 3.73 ratio (opt GT4)
4x2 DRW 4.10 ratio (opt GT5)
4x2 DRW 4.56 ratio (opt HC4)
4x4 DRW 3.42 axle ratio (opt GU6)
4x4 DRW 4.10 ratio (opt GT5)
4x2 DRW 3.73 ratio (opt GT4)
4x2 DRW 3.42 axle ratio (opt GU6)
SRW full-floating
SRW full-floating 13x3-1/2 brakes
10 bolt cover 5500 lb 3.55 ratio
SRW full-floating 13x2-1/2 brakes
DRW 125" WB 10-1/2" ring gear
3500 HD wide track (opt 5T2)
12 bolt cover 3.90 ratio
DRW 125" WB 9-3/4" ring gear
SRW 10 bolt cover
3500 HD w/o wide track
4.10 ratio (opt GT5)
3.73 ratio (opt GT4)
3.42 axle ratio (opt GU6)
2.73 ratio (opt GU2)
4.11 ratio (opt HO4)
2.56 ratio (opt GM8)
3.23 ratio (opt GU5)
3.08 ratio (opt GU4)
3.73 ratio (opt GT4)
4.10 ratio (opt GT5)
4.10 ratio (opt GT5)
3.73 ratio (opt GT4)
disc rear brakes aluminum caliper
AT 3.6L
MT transmission opt MM6
MT transmission opt M10
SS AT
drum rear brakes
LT AT 2.92 ratio (opt GW8)
ZL1 MT
SS MT
ZL1 AT
round cover 11x10-1/4 5" BC
round cover 11x10-1/4 5" BC exc. SW
round cover 11x10-1/4 4-3/4" BC
(round cover) 11x10-1/4 Sdn 11" brakes
(round cover) 10-1/4x9-1/2 5" BC
cut-out cover 4-3/4" BC
(round cover) 10-1/4x9-1/2 4-3/4" BC
(round cover) 11x10-1/4 5" BC SW
cut-out cover exc. SW
(round cover) 10-1/4x9-1/2
Standard Rear Axle Option Only
4x4 12 bolt cover 2.56 ratio (opt GM8)
4x4 10 bolt cover 2.56 ratio (opt GM8)
4x2 2.56 ratio (opt GM8)
4x2 2.73 ratio (opt GU2)
4x4 12 bolt cover 2.73 ratio (opt GU2)
4x4 3.42 axle ratio (opt GU6)
4x4 3.73 ratio (opt GT4)
4x4 12 bolt cover 3.08 ratio (opt GU4)
4x2 3.42 axle ratio (opt GU6)
4x4 3.08 ratio (opt GU4)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x2 14 bolt cover 4.10 ratio (opt GT5)
4x2 2.73 ratio (opt GU2)
4x4 14 bolt cover 3.73 ratio (opt GT4)
4x2 10 bolt cover 2.73 ratio (opt GU2)
4x2 10 bolt cover 3.08 ratio (opt GU4)
4x2 14 bolt cover (3.73 ratio, opt GT4)
4x2 10 bolt cover 3.73 ratio (opt GT4)
4x2 3.42 axle ratio (opt GU6)
4x2 3.73 ratio (opt GT4)
4x4 3.42 axle ratio (opt GU6)
4x4 4.10 ratio (opt GT5)
4x4 3.21 ratio (opt HC8)
4x4 3.23 ratio (opt GU5)
4x2 crew cab 4.56 ratio (opt HC4)
4x2 crew cab 3.21 ratio (opt HC8)
4x2 crew cab 3.23 ratio (opt GU5)
4x4 3.73 ratio (opt GT4)
4x2 crew cab 3.42 axle ratio (opt GU6)
4x2 crew cab 3.73 ratio (opt GT4)
4x4 3.73 ratio (opt GT4)
4x2 sport suspension (opt ZQ8)
4x4 4.10 ratio (opt GT5)
4x4 3.42 axle ratio (opt GU6)
4x2 off road suspension (opt Z71)
Standard Rear Axle Option Only
(AWD)
active brake control (opt JL4)
3.42 axle ratio (opt GU6)
3.73 ratio (opt GT4)
7300 GVW (opt C6A)
8500 GVW (opt C5F) 3.73 ratio (opt GT4)
10-1/2" ring gear
8600 GVW (opt C6P) 4.10 ratio (opt GT5)
9-3/4" ring gear 3.73 ratio (opt GT4)
9-1/2" ring gear (3.42 ratio, opt GU6)
9-3/4" ring gear 4.10 ratio (opt GT5)
full floating axle (13 x 3.5" brakes)
10-1/2" ring gear (3.54 ratio, opt GH0)
9-3/4" ring gear 7300 GVW (opt C6A)
cutaway SRW
Cutaway Van SRW 9-1/2" ring gear
cutaway SRW 9-3/4" ring gear
cutaway DRW
cutaway DRW 10-3/4" ring gear
exc. cutaway 3.73 ratio (opt GT4)
cutaway DRW 10-1/2" ring gear
cutaway DRW 3.73 ratio (opt GT4)
cutaway SRW 10-1/2" ring gear
exc. cutaway
20 Series
30 Series SRW 3.42 axle ratio (opt GU6)
30 Series SRW 4.10 ratio (opt GT5)
20 Series 3.21 ratio (opt HC8)
20 Series 4.56 ratio (opt HC4)
20 Series 4.10 ratio (opt GT5)
30 Series drum rear brakes SRW
30 Series DRW removable carrier
20 Series 3.42 axle ratio (opt GU6)
30 Series SRW 3.23 ratio (opt GU5)
cut-out cover 5" BC SW
(8.5" ring gear, w/rear disc brakes)
(round cover) 11x10-1/4 5" BC
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
cut-out cover 5" BC exc. SW
round cover 11x10-1/4 5" BC SW
round cover 11x10-1/4 5" BC exc. SW
round cover 11x10-1/4 5" BC
4.10 ratio (opt GT5)
3.42 axle ratio (opt GU6)
3.73 ratio (opt GT4)
Standard Rear Axle Option Only
Standard Rear Axle Option Only
exc. Crew Cab 4x4 3.73 ratio (opt GT4)
Regular Cab 4x4 3.73 ratio (opt GT4)
Regular Cab 4x2 3.08 ratio (opt GU4)
9.5" ring gear (14 bolt) brake opt JF3
exc. Crew Cab 4x4 4.10 ratio (opt GT5)
4x2 3.42 axle ratio (opt GU6)
4x4 4.10 ratio (opt GT5)
Regular Cab 4x4 4.10 ratio (opt GT5)
4x2 3.08 ratio (opt GU4)
4x2 3.73 ratio (opt GT4)
10.50" ring gear 4.10 ratio (opt GT5)
11.5" ring gear (3.73 ratio, opt GT4)
10.5" ring gear 3.73 ratio (opt GT4)
semi-floating axle 3.73 ratio (opt GT4)
semi-floating axle 4.10 ratio (opt GT5)
10.5" ring gear 4.10 ratio (opt GT5)
full-floating axle 3.73 ratio (opt GT4)
10.50" ring gear 3.73 ratio (opt GT4)
full-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 10 bolt cover 3.73 ratio (opt GT4)
4x2 3.08 ratio (opt GU4)
4x4 10 bolt cover 3.08 ratio (opt GU4)
4x2 3.73 ratio (opt GT4)
4x2 2.73 ratio (opt GU2)
4x4 12 bolt cover 4.11 ratio (opt GT5)
4x4 3.08 ratio (opt GU4)
4x4 12 bolt cover 3.08 ratio (opt GU4)
4x4 4.11 ratio (opt GT5)
4x4 3.42 axle ratio (opt GU6)
4x4 12 bolt cover 3.08 ratio (opt GU4)
4x4 12 bolt cover 4.11 ratio (opt GT5)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x2 8 lug wheel 3.73 ratio (opt GT4)
4x4 6 lug wheel 3.73 ratio (opt GT4)
4x2 5 lug wheel 3.73 ratio (opt GT4)
4x4 10 bolt cover 3.08 ratio (opt GU4)
4x2 4.10 ratio (opt GT5)
4x4 12 bolt cover 3.73 ratio (opt GT4)
4x4 14 bolt cover 3.73 ratio (opt GT4)
4x2 full-floating 4.10 ratio (opt GT5)
4x4 3.73 ratio (opt GT4)
4x4 3.42 axle ratio (opt GU6)
4x2 semi-floating 4.10 ratio (opt GT5)
4x2 full-floating 3.73 ratio (opt GT4)
4x2 full-floating 4.56 ratio (opt HC4)
4x2 full-floating 3.21 ratio (opt HC8)
4x4 4.10 ratio (opt GT5)
4x2 semi-floating 4.56 ratio (opt HC4)
4x2 semi-floating 3.73 ratio (opt GT4)
4x2 full-floating 4.10 ratio (opt GT5)
4x2 full-floating 3.73 ratio (opt GT4)
4x2 semi-floating 4.10 ratio (opt GT5)
4x2 3.73 ratio (opt GT4)
4x4 3.73 ratio (opt GT4)
4x2 4.10 ratio (opt GT5)
4x2 full-floating 3.21 ratio (opt HC8)
4x2 semi-floating 4.56 ratio (opt HC4)
4x2 full-floating 4.56 ratio (opt HC4)
4x2 (3.73 ratio, opt GT4)
4x2 3.73 ratio (opt GT4)
4 Dr 4x2 3.73 ratio (opt GT4)
4x4 4.10 ratio (opt GT5)
2 Dr 4x4 3.42 axle ratio (opt GU6)
2 Dr 4x2 3.73 ratio (opt GT4)
2 Dr 4x4 3.73 ratio (opt GT4)
4x2 3.42 axle ratio (opt GU6)
4x2 w/o police 3.73 ratio (opt GT4)
Classic style 4x4 3.73 ratio (opt GT4)
2 Dr 4x2 3.08 ratio (opt GU4)
w/o ABS 4 Dr (5.12 ratio)
w/o ABS 2 Dr AT (4.30 ratio)
ABS 2 Dr AT (4.30 ratio)
AT Fed (4.62 ratio)
ABS 2 Dr MT (5.12 ratio)
w/o ABS 2 Dr MT (5.12 ratio)
w/o ABS MT 2.0L (4.62 ratio)
w/o ABS MT 1.6L (5.12 ratio)
ABS AT (4.88 ratio)
AT (4.62 ratio)
5.3L 3.42 ratio
4.2L 18" wheel 3.42 ratio
4.2L 18" wheel 3.73 ratio
4.2L 18" wheel 4.10 ratio
6.0L
4.2L 17" wheel 3.42 ratio
4.2L 20" wheel 3.73 ratio
5.3L 4.10 ratio
4.2L 20" wheel 3.42 ratio
4.2L 17" wheel 3.73 ratio
Standard Rear Axle Option Only
(AWD)
(AWD)
(AWD)