
1995–1997 Ford 7.3L Power Stroke OBS E4OD Transmission & Torque Converter Package — BD Diesel
In stock

Transmission
Confirmed Compatibility
1996–1997 Ford F-250 / F-350 with the 7.3L Power Stroke diesel, 4x4, without PTO. The S5-47 is the Power Stroke transmission and is NOT interchangeable with the earlier S5-42 (1988–1995, 420 lb-ft) or the later S5-47M (1999–2002). Ford used the S5-47 behind the 7.3L Power Stroke from 1994.5; this particular unit is listed for 1996–1997, so confirm your build before ordering. Commonly searched as OBS F250, OBS F350, F250 7.3 Powerstroke, F350 7.3 Powerstroke and ZF5.
Drivetrain: 4x4
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Remanufactured ZF S5-47 five-speed manual transmission for the OBS 7.3L Power Stroke, 4x4 without PTO.
The S5-47 is the gearbox Ford put behind the 7.3L Power Stroke, rated to 470 lb-ft against the earlier S5-42's 420. It is the reason a manual OBS is worth more than an automatic one, and it is what most people mean when they say "ZF5" in a Power Stroke context.
That loose use of "ZF5" is the problem. The S5-42 is a different, lower-rated transmission used in F-Series and Broncos from 1988 to 1995, and the later S5-47M is different again. None of the three interchange. If you are shopping by the name "ZF5" alone, confirm which unit your truck actually has before ordering.
Diesel S5-47s use the 5.08:1 medium first-gear ratio; the 5.72:1 wide ratio is the petrol version.
Clutch, hydraulics and bellhousing are not included. Freight requires a dock or forklift.
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