S5-42, ZF

Parts

Diagram

ZF S5-42 – 5 speed manual transmission has an aluminum alloy main gear case and tail housing with the bell housing integral to the case.

The ZF S5-42 is built in both a 2 wheel drive and 4 wheel drive version with gas and diesel designs

ZF first introduced the S5-42 in 1987 and was used in the Ford F250, F350, F450 and Super Duty trucks until 1994.

All gears on the S5-42 are fully synchronized with an input torque rating of 420 ft-lb

Standard gear ratios on the ZF S5-42:

The ZF S5-42  main case cast number is “1307”

S5-42 4x4, ZF

Parts

Diagram

ZF S5-42 – 5 speed manual transmission has an aluminum alloy main gear case and tail housing with the bell housing integral to the case.

The ZF S5-42 is built in both a 2 wheel drive and 4 wheel drive version with gas and diesel designs

ZF first introduced the S5-42 in 1987 and was used in the Ford F250, F350, F450 and Super Duty trucks until 1994.

All gears on the S5-42 are fully synchronized with an input torque rating of 420 ft-lb

Standard gear ratios on the ZF S5-42:

The ZF S5-42  main case cast number is “1307”

S5-47 4x4, ZF

Parts

Diagram

ZF S5-47 – 5 speed manual transmission has an aluminum alloy main gear case and tail housing with the bell housing integral to the case.

The ZF S5-47 is built in both a 2 wheel drive and 4 wheel drive version with gas and diesel designs

ZF introduced the S5-47 in 1995 and was used in the Ford F250, F350, F450 and Super Duty trucks.

All gears on the S5-47 are fully synchronized with an input torque rating of 470 ft-lb

Standard gear ratios on the ZF S5-47:

The ZF S5-47 main case cast number is “1317”

Brake Unit S5-42 / S5-47, ZF

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Diagram

S6-650, ZF

Parts

Diagram

ZF S6-650 – Heavy Duty 6 speed manual transmission has an aluminum alloy main gear case and tail housing with the bell housing integral to the case.

The ZF S6-650 is built in both a 2 wheel drive and 4 wheel drive versions with a diesel design only.

ZF first introduced the S6-650 in 1998 on the Ford Super Duty and compatible stripped chassis’s.

The S6-650 has a an internal oil pump to circulate and cool the lubricant which is unique to a manual transmission.

All gears on the S6-650 are synchronized with a dual cone synchronizer in 2nd and 3rd gears with an input torque rating of 520 ft-lb.

GM started using the ZF S6-650 in 2001 with some improvements making this 6 speed transmission different from the Ford version.

Standard gear ratio on the ZF S6-650: