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ATS Built E4OD Transmission

1994-1997 Ford 7.3L Powerstroke
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The 4-Speed automatic E4OD transmission can be found in multiple trucks across Fords offering. Unfortunately, the E4OD can also be found behind many gas powered trucks as well. This transmission was designed to hold the power, but not the torque that a 7.3L diesel can produce. The good news is, that we can make the E4OD incredibly strong, reliable, and smooth.

The first thing that needs to be addressed is the clutch packs. These are the connection point for a transmission when transferring power in the gears. These clutch packs have a great deal of room for improvement. When we rebuild the transmissions in-house, we replace the overdrive, intermediate, and forward clutch pack backing plates with machined plates. This allows us to install an extra clutch in each pack. This gives us more surface area to hold added power or heavier loads. Being that there is less chance for slipping the clutches when engaged, it also increases reliability. Next, ATS moves to the transmission pump. This serves two purposes: circulating fluid and pressurizing it. Our main goal with the pump is to increase its pressure output ability. By doing this, we can raise pressure throughout the entire transmission, which takes us to the valve body. 

The valve body is known as the "control center" of the transmission. This is what mechanically controls gear up-shifts and down-shifts, converter lock up, Park/neutral/reverse/drive, and line pressure. The main thing we are after here is line pressure, which the valve body acts as control. By increasing line pressure, we have the ability to increase the clamping force that is put on the clutch packs. Holding them tighter, also drastically increase the torque capacity on the transmission. Finally we direct our attention to the rest of the transmission. This includes replacing all bearings and seals with new parts, and replacing the bands as well. The case is cleaned and painted with a sealed enamel to keep your transmission looking good, and prevent any type of corrosion. And finally, our deep pan reinforces the case to prevent flexing or cracking.

E4OD Modifications:
  • Low reverse frictions and and steels
  • Forward frictions and oversized steels with one additional friction and steel added
  • Machined forward pressure plate .250"
  • Direct frictions and oversized steels
  • Intermediate frictions and steels with one additional friction and steel added
  • Intermediate pressure plate
  • Overdrive frictions and steels with one additional friction and steel added
  • Machined overdrive pressure plate .170"
  • Coast clutch friction and steels
  • Low roller clutch
  • Heavy duty intermediate sprag
  • Overdrive roller clutch
  • Bonded coast clutch piston
  • Bonded overdrive piston
  • Band, Bushings, bearings, filters, seals, and gaskets
Build Date Guide:
1992-1994 Transmission: Trucks built from Aug-1991 to July-1994
1995-1998 Transmission: Trucks built from Aug-1994 to July-1998

Note: Transmission ONLY. Deep Pan & Torque Converter sold separately.

Warranty Information: 
This ATS Automatic Transmission carries a ONE YEAR/ONE HUNDRED THOUSAND MILE (1 yr/100,000 mile) Warranty. This Warranty shall not apply to any automatic transmission that has been improperly stored or installed This Warranty shall not apply to misapplication, improper operating conditions, accidents, or neglect. This Warranty shall not apply to an automatic transmission that has been improperly repaired, maintained and/or altered by the owner or his agent/tech. Most importantly, all transmission shafts are not covered by this Warranty on any transmission due to the capability of certain situations to cause stress-loads beyond the structural ability of the shaft. ATS’ Automatic Transmission Warranty is NOT transferable. It is mandatory for implementation of this warranty that line pressures are tested at time of install. ATS will not pay for any fluids replaced in the event of a transmission failure.

Product Options

3069203140 92-94 (2WD)
3069403140 92-94 (4WD)
3069203176 95-97 (2WD)
3069403176 95-97 (4WD)


  • Manufacturer Name ATS Diesel
  • Shipping Weight 500.00 lb.
  • Fuel Type Diesel
  • Warranty Yes
  • Warranty Info 1 Year / 100,000 Miles
    View Warranty Form
  • Prop 65 WARNING: Cancer & Reproductive Harm -


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Questions and Answers

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Most Popular Questions

How much horse power can this transmission hold?
View Staff Answer 

This ATS Built E4OD Transmission is designed for trucks that are used for light towing, daily driving and stock or slightly modified power levels.

Standard ATS Built Transmissions are designed for trucks that are used for light towing, daily driving and stock or slightly modified power levels.

We offer transmissions that fit all HP/TQ needs! As long as the key areas of strength and durability have been addressed, you can withstand those high HP/Torque situations. ATS transmissions, for example, all basically start with the same modifications. Changes in materials are then address as the HP/TQ requirements increase. The difference between a 500HP transmission and a 1,000 HP transmission could often be no more than converting over to a stronger billet internals A billet Input shaft, Output shaft, Intermediate shaft, Flexplate, along with upgraded electronics allow there transmissions to withstand greater torsional loads and absorb the load transfers of power through the transmission, thus increasing reliability. Without these billet shafts, the transmission is at risk for failure during heavy towing/competition us

ATS offers a number of different level packages on their transmissions. Contact one of our Diesel Experts at 1-888-343-7354 for more information!

XDP continues to closely monitor the COVID-19 (Coronavirus) outbreak. As an integral part of the automotive supply chain, at this point all call centers and distribution centers remain fully operational to ensure we keep vital service components flowing to vehicles used in transport of goods and emergency response. To ensure the health of our employees, families, and customers, we have made the following procedural changes:

  • UPDATE: Effective 6/1 Customer Service resumes normal business hours of M-F 8:30 – 9:00pm EST.
  • Effective 3/18 we have decided to temporarily close both of our retail stores in NJ and NV.
  • Our technical sales team remains available Mon-Fri 8:30am-9pm and Saturday 10:30am-7pm EST.
  • All employees have been encouraged to follow the CDC's recommendations at home and in the workplace.
The circumstances of this virus are fast moving, as such, we will continue to update you with any further operational adjustments as needed. As always, we value your business and appreciate your patience as we manage this situation together.