Standard Rear Axle Option Only
3.55 ratio
3.21 ratio
3.90 ratio
Standard Rear Axle Option Only
4x4 3.73 ratio (opt GT4)
4x2 3.42 axle ratio (opt GU6)
4x2 model VIN R 3.73 ratio (opt GT4)
4x2 model VIN R 4.10 ratio (opt GT5)
4x4 3.42 axle ratio (opt GU6)
4x4 6 lug wheel 3.73 ratio (opt GT4)
4x4 8 lug wheel 3.73 ratio (opt GT4)
4x2 full-floating 3.73 ratio (opt GT4)
4x4 6 lug wheel 4.10 ratio (opt GT5)
4x2 3.73 ratio (opt GT4)
12 bolt cover 8 lug (3.54 ratio)
12 bolt cover 5 lug 3.90 ratio
10 bolt cover 3.21 ratio
12 bolt cover 5 lug 3.55 ratio
12 bolt cover 5 lug 3.21 ratio
10 bolt cover 3.55 ratio
10 bolt cover (Dana 60, 4.09 ratio)
10 bolt cover 3.90 ratio
4x4 SRW 4.56 ratio (opt HC4)
4x2 SRW 4.56 ratio (opt HC4)
4x2 SRW 3.73 ratio (opt GT4)
4x2 SRW 3.23 ratio (opt GU5)
4x2 SRW 4.10 ratio (opt GT5)
4x4 SRW 3.73 ratio (opt GT4)
4x2 SRW 3.42 axle ratio (opt GU6)
4x4 SRW 4.10 ratio (opt GT5)
4x4 SRW 3.42 axle ratio (opt GU6)
DRW 125" WB 9-3/4" ring gear
DRW 6200 GVW 146" WB
30 HD w/o wide track
exc. 30 HD DRW
exc. 30 HD SRW semi-floating
DRW 7500 GVW (146" WB)
SRW full-floating
DRW 9-3/4" ring gear 146" WB
30 HD drum Rear brakes
DRW 7500 GVW
4x2 DRW 4.10 ratio (opt GT5)
4x4 DRW 4.10 ratio (opt GT5)
4x2 DRW 3.42 axle ratio (opt GU6)
4x4 DRW 3.73 ratio (opt GT4)
4x4 DRW 3.42 axle ratio (opt GU6)
4x2 DRW 4.56 ratio (opt HC4)
4x2 DRW 3.73 ratio (opt GT4)
4x4 DRW 4.56 ratio (opt HC4)
3500 HD w/o wide track
SRW 14 bolt cover
DRW 9-3/4" ring gear 146" WB
DRW 10-1/2" ring gear 125" WB
DRW 9-3/4" ring gear 125" WB
3500 HD wide track (opt 5T2)
10 bolt cover 5500 lb 4.10 ratio
DRW 7500 GVW (146" WB)
DRW 6200 GVW 146" WB
SRW full-floating 13x2-1/2 brakes
3.08 ratio (opt GU4)
2.56 ratio (opt GM8)
4.11 ratio (opt HO4)
3.23 ratio (opt GU5)
3.73 ratio (opt GT4)
4.10 ratio (opt GT5)
3.42 axle ratio (opt GU6)
2.73 ratio (opt GU2)
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
disc rear brakes 9 bolt cover
LT AT 2.92 ratio (opt GW8)
SS MT
drum rear brakes
ZL1 AT
AT 6.2L
disc rear brakes cast iron caliper
LS AT 2.92 ratio (opt GW8)
traction control (opt NW9) 5.7L
cut-out cover 5" BC SW
cut-out cover exc. SW
round cover 11x10-1/4 4-3/4" BC
(round cover) 10-1/4x9-1/2 5" BC
(round cover) 11x10-1/4 SW
7.625" ring gear
(round cover) 11x10-1/4 Sdn 11" brakes
cut-out cover SW
(round cover) 11x10-1/4 5" BC exc. SW
cut-out cover 4-3/4" BC
Standard Rear Axle Option Only
4x4 3.08 ratio (opt GU4)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x2 2.73 ratio (opt GU2)
4x2 2.56 ratio (opt GM8)
4x4 3.42 axle ratio (opt GU6)
4x4 10 bolt cover 2.56 ratio (opt GM8)
4x2 3.73 ratio (opt GT4)
4x4 3.73 ratio (opt GT4)
4x4 10 bolt cover 2.73 ratio (opt GU2)
4x4 12 bolt cover 3.73 ratio (opt GT4)
4x2 14 bolt cover 3.73 ratio (opt GT4)
4x2 3.42 axle ratio (opt GU6)
4x2 10 bolt cover 3.73 ratio (opt GT4)
4x4 14 bolt cover 4.10 ratio (opt GT5)
4x4 10 bolt cover 4.10 ratio (opt GT5)
4x2 10 bolt cover 2.73 ratio (opt GU2)
4x2 14 bolt cover (3.73 ratio, opt GT4)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x2 14 bolt cover 4.10 ratio (opt GT5)
4x2 2.73 ratio (opt GU2)
4x2 crew cab 3.42 axle ratio (opt GU6)
4x4 3.73 ratio (opt GT4)
4x2 crew cab 4.56 ratio (opt HC4)
4x2 crew cab 3.73 ratio (opt GT4)
4x2 crew cab 4.10 ratio (opt GT5)
4x2 crew cab 3.21 ratio (opt HC8)
4x2 crew cab 3.23 ratio (opt GU5)
4x4 3.42 axle ratio (opt GU6)
4x4 4.10 ratio (opt GT5)
4x4 3.21 ratio (opt HC8)
4x4 4.10 ratio (opt GT5)
4x2 off road suspension (opt Z71)
4x2 sport suspension (opt ZQ8)
4x4 3.73 ratio (opt GT4)
4x4 3.42 axle ratio (opt GU6)
Standard Rear Axle Option Only
(AWD)
3.73 ratio (opt GT4)
active brake control (opt JL4)
3.42 axle ratio (opt GU6)
10-1/2" ring gear (3.54 ratio, opt GH0)
9-3/4" ring gear 4.10 ratio (opt GT5)
full floating axle (13 x 3.5" brakes)
9-3/4" ring gear 7300 GVW (opt C6A)
8500 GVW (opt C5F) 3.73 ratio (opt GT4)
9-1/2" ring gear (3.42 ratio, opt GU6)
8600 GVW (opt C6P) 4.10 ratio (opt GT5)
8500 GVW (opt C5F) 4.10 ratio (opt GT5)
7300 GVW (opt C6A)
8600 GVW (opt C6P) 3.73 ratio (opt GT4)
Cutaway Van DRW 3.73 ratio (opt GT4)
cutaway SRW 9-1/2" ring gear
exc. cutaway 3.73 ratio (opt GT4)
cutaway SRW 9-3/4" ring gear
cutaway DRW
cutaway DRW 4.10 ratio (opt GT5)
cutaway DRW 10-3/4" ring gear
cutaway DRW 10-1/2" ring gear
cutaway DRW 3.73 ratio (opt GT4)
exc. cutaway 4.10 ratio (opt GT5)
30 Series DRW removable carrier early
20 Series
30 Series drum rear brakes SRW
20 Series 3.42 axle ratio (opt GU6)
20 Series 3.21 ratio (opt HC8)
30 Series DRW removable carrier late
20 Series 4.10 ratio (opt GT5)
30 Series SRW 4.56 ratio (opt HC4)
30 Series SRW 3.23 ratio (opt GU5)
30 Series SRW 3.21 ratio (opt HC8)
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 4-3/4" BC
cut-out cover SW
cut-out cover 5" BC
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
cut-out cover 5" BC SW
round cover 11x10-1/4 5" BC SW
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
Regular Cab 4x4 4.10 ratio (opt GT5)
exc. Crew Cab 4x2 3.08 ratio (opt GU4)
exc. Crew Cab 4x4 4.10 ratio (opt GT5)
Crew Cab 3.73 ratio (opt GT4)
Regular Cab 4x2 3.73 ratio (opt GT4)
Crew Cab 4.10 ratio (opt GT5)
9.5" ring gear (14 bolt) brake opt JF3
exc. Crew Cab 4x4 3.73 ratio (opt GT4)
exc. Crew Cab 4x2 3.73 ratio (opt GT4)
4x2 3.42 axle ratio (opt GU6)
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)
10.50" ring gear 3.73 ratio (opt GT4)
full-floating axle 3.73 ratio (opt GT4)
10.5" ring gear 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)
11.5" 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)
4x4 10 bolt cover 3.08 ratio (opt GU4)
4x2 3.08 ratio (opt GU4)
4x4 12 bolt cover 3.73 ratio (opt GT4)
4x4 12 bolt cover 3.08 ratio (opt GU4)
4x4 3.73 ratio (opt GT4)
4x4 12 bolt cover 4.11 ratio (opt GT5)
4x4 4.11 ratio (opt GT5)
4x2 2.73 ratio (opt GU2)
4x2 3.42 axle ratio (opt GU6)
4x4 3.08 ratio (opt GU4)
4x4 12 bolt cover 3.73 ratio (opt GT4)
4x4 3.73 ratio (opt GT4)
4x2 8 lug wheel 3.73 ratio (opt GT4)
4x4 14 bolt cover 3.73 ratio (opt GT4)
4x4 4.10 ratio (opt GT5)
4x2 2.73 ratio (opt GU2)
4x4 6 lug wheel 3.73 ratio (opt GT4)
4x4 10 bolt cover 3.08 ratio (opt GU4)
4x4 8 lug wheel 3.73 ratio (opt GT4)
4x4 3.08 ratio (opt GU4)
4x2 semi-floating 4.10 ratio (opt GT5)
4x4 3.42 axle ratio (opt GU6)
4x2 full-floating 3.21 ratio (opt HC8)
4x2 full-floating 4.10 ratio (opt GT5)
4x2 semi-floating 3.21 ratio (opt HC8)
4x4 4.10 ratio (opt GT5)
4x2 full-floating 3.73 ratio (opt GT4)
4x2 full-floating 4.56 ratio (opt HC4)
4x2 semi-floating 4.56 ratio (opt HC4)
4x2 semi-floating 3.73 ratio (opt GT4)
4x2 full-floating 4.56 ratio (opt HC4)
4x4 3.73 ratio (opt GT4)
4x2 semi-floating 4.10 ratio (opt GT5)
4x4 (3.73 ratio, opt GT4)
4x4 3.42 axle ratio (opt GU6)
4x2 semi-floating 3.23 ratio (opt GU5)
4x2 semi-floating 3.21 ratio (opt HC8)
4x2 full-floating 3.73 ratio (opt GT4)
4x2 (3.73 ratio, opt GT4)
4x4 4.10 ratio (opt GT5)
4 Dr 4x4 3.73 ratio (opt GT4)
4x4 3.42 axle ratio (opt GU6)
4x2 w/o police 3.73 ratio (opt GT4)
2 Dr 4x2 3.08 ratio (opt GU4)
4x2 police (opt PPV)
4 Dr 4x2 3.08 ratio (opt GU4)
4x2 3.42 axle ratio (opt GU6)
4 Dr 4x2 3.73 ratio (opt GT4)
2 Dr 4x2 3.73 ratio (opt GT4)
2 Dr 4x4 3.42 axle ratio (opt GU6)
MT (5.12 ratio)
w/o ABS 2 Dr MT (5.12 ratio)
w/o ABS 4 Dr (5.12 ratio)
w/o ABS AT (4.88 ratio)
ABS 4 Dr (5.12 ratio)
AT (4.62 ratio)
w/o ABS MT (4.62 ratio)
ABS 2 Dr AT (4.30 ratio)
ABS MT 2.0L (4.62 ratio)
ABS AT (4.88 ratio)
4.2L 18" wheel 3.42 ratio
4.2L 17" wheel 3.42 ratio
4.2L 18" wheel 3.73 ratio
4.2L 17" wheel 3.73 ratio
4.2L 18" wheel 4.10 ratio
5.3L 3.42 ratio
5.3L 4.10 ratio
4.2L 20" wheel 3.42 ratio
4.2L 20" wheel 3.73 ratio
6.0L
Standard Rear Axle Option Only
(AWD)
(AWD)
(AWD)