Standard Rear Axle Option Only
3.55 ratio
3.90 ratio
3.21 ratio
Standard Rear Axle Option Only
4x2 full-floating 3.73 ratio (opt GT4)
4x4 6 lug wheel 4.10 ratio (opt GT5)
4x4 3.42 axle ratio (opt GU6)
4x4 8 lug wheel 3.73 ratio (opt GT4)
4x4 3.73 ratio (opt GT4)
4x4 8 lug wheel 4.10 ratio (opt GT5)
4x2 4.10 ratio (opt GT5)
4x2 3.42 axle ratio (opt GU6)
4x2 4.56 ratio (opt HC4)
4x2 full-floating 4.56 ratio (opt HC4)
10 bolt cover 3.90 ratio
12 bolt cover 5 lug 3.21 ratio
12 bolt cover 5 lug 3.55 ratio
12 bolt cover 5 lug 3.90 ratio
10 bolt cover 3.21 ratio
12 bolt cover 8 lug (3.54 ratio)
10 bolt cover (Dana 60, 4.09 ratio)
10 bolt cover 3.55 ratio
4x2 SRW 3.42 axle ratio (opt GU6)
4x2 SRW 4.10 ratio (opt GT5)
4x4 SRW 3.42 axle ratio (opt GU6)
4x2 SRW 3.23 ratio (opt GU5)
4x4 SRW 3.73 ratio (opt GT4)
4x2 SRW 3.73 ratio (opt GT4)
4x4 SRW 4.10 ratio (opt GT5)
4x2 SRW 4.56 ratio (opt HC4)
4x4 SRW 4.56 ratio (opt HC4)
SRW semi-floating
exc. 30 HD DRW
DRW 9-3/4" ring gear 125" WB
SRW 10 bolt cover
DRW 146" WB 10-1/2" ring gear
DRW 6200 GVW 146" WB
SRW full-floating 13x2-1/2 brakes
30 HD wide track (opt 5T2)
DRW 125" WB 10-1/2" ring gear
DRW 146" WB 9-3/4" ring gear
4x2 DRW 3.42 axle ratio (opt GU6)
4x2 DRW 4.10 ratio (opt GT5)
4x4 DRW 4.10 ratio (opt GT5)
4x2 DRW 4.56 ratio (opt HC4)
4x4 DRW 4.56 ratio (opt HC4)
4x4 DRW 3.73 ratio (opt GT4)
4x2 DRW 3.73 ratio (opt GT4)
4x4 DRW 3.42 axle ratio (opt GU6)
DRW 5700 GVW (125" WB, 8-454)
10 bolt cover 5500 lb 3.55 ratio
12 bolt cover 3.21 ratio
DRW 6200 GVW 146" WB
exc. 3500 HD SRW semi-floating
DRW 7500 GVW
10 bolt cover 6200 lb 3.55 ratio
SRW full-floating
DRW 6200 GVW 125" WB
SRW full-floating 13x2-1/2 brakes
2.73 ratio (opt GU2)
3.42 axle ratio (opt GU6)
2.56 ratio (opt GM8)
4.10 ratio (opt GT5)
3.23 ratio (opt GU5)
3.08 ratio (opt GU4)
3.73 ratio (opt GT4)
4.11 ratio (opt HO4)
4.10 ratio (opt GT5)
3.73 ratio (opt GT4)
4.10 ratio (opt GT5)
3.73 ratio (opt GT4)
disc rear brakes w/o traction control
MT transmission opt M10
disc rear brakes
MT 6.2L
MT transmission opt MM6
MT 3.6L
MT transmission opt MM6 Z28
disc rear brakes 10 bolt cover
AT 6.2L
disc rear brakes cast iron caliper
round cover 10-1/4x9-1/2 4-3/4" BC
round cover 11x10-1/4 5" BC exc. SW
cut-out cover 5" BC SW
(round cover) 10-1/4x9-1/2 5" BC
(round cover) 11x10-1/4 4-3/4" BC
cut-out cover 5" BC exc. SW
7.625" ring gear
round cover 11x10-1/4 5" BC SW
(round cover) 10-1/4x9-1/2 4-3/4" BC
cut-out cover SW
Standard Rear Axle Option Only
4x2 3.73 ratio (opt GT4)
4x4 10 bolt cover 3.08 ratio (opt GU4)
4x4 10 bolt cover 2.73 ratio (opt GU2)
4x2 2.56 ratio (opt GM8)
4x4 12 bolt cover 3.73 ratio (opt GT4)
4x4 3.08 ratio (opt GU4)
4x2 2.73 ratio (opt GU2)
4x4 3.73 ratio (opt GT4)
4x4 3.42 axle ratio (opt GU6)
4x4 2.73 ratio (opt GU2)
4x2 10 bolt cover 2.73 ratio (opt GU2)
4x2 10 bolt cover 3.73 ratio (opt GT4)
4x2 3.08 ratio (opt GU4)
4x2 14 bolt cover (3.73 ratio, opt GT4)
4x4 10 bolt cover 3.73 ratio (opt GT4)
4x4 14 bolt cover 4.10 ratio (opt GT5)
4x2 3.73 ratio (opt GT4)
4x2 3.42 axle ratio (opt GU6)
4x4 14 bolt cover 3.73 ratio (opt GT4)
4x2 10 bolt cover 4.10 ratio (opt GT5)
4x4 3.21 ratio (opt HC8)
4x2 crew cab 3.73 ratio (opt GT4)
4x4 3.42 axle ratio (opt GU6)
4x2 crew cab 3.23 ratio (opt GU5)
4x4 3.23 ratio (opt GU5)
4x4 4.10 ratio (opt GT5)
4x2 crew cab 4.10 ratio (opt GT5)
4x2 crew cab 3.42 axle ratio (opt GU6)
4x2 crew cab 4.56 ratio (opt HC4)
4x4 3.73 ratio (opt GT4)
4x4 3.42 axle ratio (opt GU6)
4x2 sport suspension (opt ZQ8)
4x4 4.10 ratio (opt GT5)
4x4 3.73 ratio (opt GT4)
4x2 off road suspension (opt Z71)
Standard Rear Axle Option Only
(AWD)
3.42 axle ratio (opt GU6)
active brake control (opt JL4)
3.73 ratio (opt GT4)
8600 GVW (opt C6P) 3.73 ratio (opt GT4)
10-1/2" ring gear (3.54 ratio, opt GH0)
9-3/4" ring gear 4.10 ratio (opt GT5)
8500 GVW (opt C5F) 3.73 ratio (opt GT4)
8500 GVW (opt C5F) 4.10 ratio (opt GT5)
9-3/4" ring gear 7300 GVW (opt C6A)
10-1/2" ring gear
9-3/4" ring gear 3.73 ratio (opt GT4)
8600 GVW (opt C6P) 4.10 ratio (opt GT5)
full floating axle (13 x 3.5" brakes)
cutaway SRW 9-3/4" ring gear
cutaway DRW
cutaway DRW 3.73 ratio (opt GT4)
Cutaway Van DRW 4.10 ratio (opt GT5)
cutaway DRW 10-1/2" ring gear
cutaway SRW
cutaway SRW 10-1/2" ring gear
Cutaway Van DRW 3.73 ratio (opt GT4)
cutaway DRW 10-3/4" ring gear
Cutaway Van SRW 10-1/2" ring gear
20 Series 3.73 ratio (opt GT4)
30 Series DRW removable carrier early
20 Series 3.21 ratio (opt HC8)
30 Series SRW 3.42 axle ratio (opt GU6)
30 Series SRW 3.73 ratio (opt GT4)
30 Series DRW removable carrier late
30 Series drum rear brakes DRW
20 Series 3.42 axle ratio (opt GU6)
30 Series DRW removable carrier
20 Series
round cover 10-1/4x9-1/2 4-3/4" BC
cut-out cover 5" BC
cut-out cover 4-3/4" BC
(round cover) 10-1/4x9-1/2 5" BC
cut-out cover exc. SW
round cover 11x10-1/4 5" BC SW
round cover 11x10-1/4 5" BC
(round cover) 11x10-1/4 5" BC
round cover 11x10-1/4 5" BC exc. SW
cut-out cover 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 4.10 ratio (opt GT5)
Regular Cab 4x2 3.73 ratio (opt GT4)
Regular Cab 4x2 3.08 ratio (opt GU4)
4x4 3.73 ratio (opt GT4)
9.5" ring gear (14 bolt) brake opt JF3
exc. Crew Cab 4x2 3.08 ratio (opt GU4)
exc. Crew Cab 4x2 3.73 ratio (opt GT4)
Regular Cab 4x4 3.73 ratio (opt GT4)
4x2 3.42 axle ratio (opt GU6)
Crew Cab 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)
10.5" ring gear 3.73 ratio (opt GT4)
10.50" ring gear 4.10 ratio (opt GT5)
semi-floating axle 4.10 ratio (opt GT5)
semi-floating axle 3.73 ratio (opt GT4)
full-floating axle 4.10 ratio (opt GT5)
10.5" ring gear 4.10 ratio (opt GT5)
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)
4x2 3.73 ratio (opt GT4)
4x4 12 bolt cover 3.73 ratio (opt GT4)
4x4 12 bolt cover 4.11 ratio (opt GT5)
4x4 3.08 ratio (opt GU4)
4x2 3.42 axle ratio (opt GU6)
4x2 2.73 ratio (opt GU2)
4x2 3.08 ratio (opt GU4)
4x4 4.11 ratio (opt GT5)
4x4 3.42 axle ratio (opt GU6)
4x4 3.73 ratio (opt GT4)
4x2 3.08 ratio (opt GU4)
4x2 8 lug wheel 3.73 ratio (opt GT4)
4x2 3.42 axle ratio (opt GU6)
4x4 12 bolt cover 4.11 ratio (opt GT5)
4x4 3.73 ratio (opt GT4)
4x4 3.42 axle ratio (opt GU6)
4x4 14 bolt cover 3.73 ratio (opt GT4)
4x4 6 lug wheel 3.73 ratio (opt GT4)
4x4 4.10 ratio (opt GT5)
4x4 8 lug wheel 3.73 ratio (opt GT4)
4x2 semi-floating 3.21 ratio (opt HC8)
4x4 4.10 ratio (opt GT5)
4x2 full-floating 4.56 ratio (opt HC4)
4x2 full-floating 3.73 ratio (opt GT4)
4x4 3.42 axle ratio (opt GU6)
4x2 semi-floating 3.73 ratio (opt GT4)
4x2 semi-floating 4.10 ratio (opt GT5)
4x2 semi-floating 3.23 ratio (opt GU5)
4x2 full-floating 3.21 ratio (opt HC8)
4x4 3.73 ratio (opt GT4)
4x2 semi-floating 3.73 ratio (opt GT4)
4x2 (3.73 ratio, opt GT4)
4x4 4.10 ratio (opt GT5)
4x2 semi-floating 4.10 ratio (opt GT5)
4x2 full-floating 4.10 ratio (opt GT5)
4x2 full-floating 3.21 ratio (opt HC8)
4x2 3.73 ratio (opt GT4)
4x4 (3.73 ratio, opt GT4)
4x2 full-floating 3.73 ratio (opt GT4)
4x2 4.10 ratio (opt GT5)
2 Dr 4x4 3.73 ratio (opt GT4)
4x2 3.42 axle ratio (opt GU6)
4 Dr 4x2 3.42 axle ratio (opt GU6)
Classic style 4x4 3.73 ratio (opt GT4)
4x4 3.42 axle ratio (opt GU6)
2 Dr 4x2 3.08 ratio (opt GU4)
2 Dr 4x2 3.42 axle ratio (opt GU6)
4x4 3.73 ratio (opt GT4)
4 Dr 4x4 3.42 axle ratio (opt GU6)
4 Dr 4x2 3.08 ratio (opt GU4)
w/o ABS 2 Dr MT (5.12 ratio)
ABS MT 1.6L (5.12 ratio)
w/o ABS MT (4.62 ratio)
w/o ABS 4 Dr (5.12 ratio)
AT Fed (4.62 ratio)
ABS 4 Dr (5.12 ratio)
AT Calif (4.30 ratio)
AT (4.62 ratio)
w/o ABS MT 2.0L (4.62 ratio)
w/o ABS AT (4.88 ratio)
4.2L 20" wheel 3.73 ratio
4.2L 18" wheel 4.10 ratio
4.2L 17" wheel 3.42 ratio
4.2L 18" wheel 3.42 ratio
4.2L 18" wheel 3.73 ratio
5.3L 3.42 ratio
4.2L 17" wheel 4.10 ratio
4.2L 20" wheel 3.42 ratio
5.3L 4.10 ratio
5.3L 3.73 ratio
Standard Rear Axle Option Only
(AWD)
(AWD)
(AWD)