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For Ford Super Duty owners demanding more from their drivetrain, the BD Diesel TowMaster E4OD Transmission is the proven solution for 1995–1997 Ford 7.3L Power Stroke 4WD trucks. Designed to handle up to 300% more power and torque than stock, this transmission features fortified internals, increased clutch capacity, improved cooling, and a heavy-duty deep transmission pan for long-lasting performance in towing, work, or off-road environments.
Every unit is dyno-tested, rollerized, and precision-machined to eliminate factory weak points. From shift quality to lubrication and temperature control, BD’s upgraded E4OD provides a complete solution for reliable performance under heavy load.
💰 $1,500 USD refundable core deposit required.
Transmission Highlights:
Handles up to 300% more power and torque than OEM
BD Aluminum Deep Transmission Pan adds 6 quarts, reduces case flex, and improves cooling
Fully rollerized geartrain with upgraded sprags, bearings, and supports
Reworked front pump with revised oil circuits and boost valves
Tighter clutch packs for faster, firmer shifts
30–40% more clutch material with added steels
Machined center support, intermediate piston, low/reverse plate, and rear ring gear hub
Replaced all aluminum planetaries with steel
Accumulator body reprogrammed for improved oil flow and converter pressure
Added lube circuits to overdrive planet, output, and intermediate shafts
Tapped and sealed feed circuits to prevent internal leaks
Sure-Loc snap rings and solenoids hardwired for high temp resistance
BD magnetic drain plug and heat-dissipating fins included
Includes auxiliary full-flow filter kit (1990–2003)
Dyno-tested to ensure consistent shift quality and durability
Clutch Count:
Coast Clutch: 2
Forward: 5
Direct: 5
Low Reverse: 7
Intermediate: 4
Overdrive: 4
(BD Diesel Transmissions only have warranty when running a BD Trans & Converter)
1995 Ford F-250 / F-350 7.3L Power Stroke (4WD)
1996 Ford F-250 / F-350 7.3L Power Stroke (4WD)
1997 Ford F-250 / F-350 7.3L Power Stroke (4WD)
⚠️ Must be installed with a BD torque converter to maintain warranty.
⚠️ Not warranted for race or sled pull use.
⚠️ Add "PTO" to part number for PTO provision if required.for 2WD version see 1064422F
BD Diesel TowMaster E4OD Transmission Assembly (No Converter)
BD Heavy Duty Aluminum Deep Pan
Frame-Mounted Auxiliary Full Flow Transmission Filter Kit
Pre-installed Upgraded Clutch Packs
Reworked Front Pump
Machined & Upgraded Internal Components
Installation Instructions
For over 45 years, BD Diesel has been the go-to for diesel transmission solutions engineered to perform under the harshest conditions. The TowMaster E4OD delivers next-level strength and longevity for Power Stroke owners who tow, haul, and demand more from their trucks. Dyno-tested and backed by industry-leading warranty support, BD transmissions are purpose-built to outlast.
We are open Monday-Friday from 8am-6pm EST
Yes, customers located in and around the the Piedmont area are welcome to pick up their items from our retail location during normal business hours. Our address is:
Elite Race Fab
1514 Holbrook St Suite D-F
Greensboro, NC 27403
Elite Race Fab offers free ground shipping & handling to our retail customers within the lower 48 contiguous United States on most orders totaling $159.99 and higher, when the item being purchased is not a Freight/LTL item! Orders under $159.99 will be subject to a nominal $13.99 Flat shipping charge. Some exceptions and/or exclusions apply, in those scenarios you will be advised of any additional charges in the item details/description stating shipping exclussions/freight shipping required etc.
In regards to expedited and international shipping each order will need to be quoted on a case by case basis. You can obtain a quote two ways:
- From your shopping cart select "Request a Quote" prior to placing your order. We will review your proposed order and promptly respond with shipping estimates.
- Complete your order ahead of time indicating either expedited or international shipping during the checkout process. We will promptly determine shipping rates for your order and email you for approval and additional payment.
-Give us a call and we can ensure your item is shipped right then, to ensure you have it in time for your deadline.
We have been committed to offering all of our customers the lowest pricing throughout our website day in and day out. We value your business so much that we go a step further than our competitors. We use a third party software that proactively monitors all our competitor's websites/pricing so that we can make adjustments accordingly if needed to have the lowest prices. Thats right, no need to spend hours searching for the lowest prices, as ours will be the lowest.
As far as price matching, we dont want to write a check we cant cash, but we certainly want to earn your business. With that said, we will go above and beyond to match our competitor's pricing when it is needed. Simply email us, click the live contact button, or give us a call and be sure to have a link to our competitor's site and please factor in any shipping and handling their website will be charging. We will then ensure you get the lowest price, and either match or beat their pricing.
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