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The BD Diesel TowMaster E4OD Transmission & Converter Package is engineered to bring heavy-duty performance and towing reliability to your 1995–1997 Ford 7.3L Power Stroke (4WD). This dyno-tested combo features a fully rollerized geartrain, reworked pump, tighter clutch packs, and upgraded internals to handle up to 300% more torque than the factory unit.
The ProForce torque converter is perfectly matched to the transmission, offering lower RPM lock-up and torque multiplication for better throttle response and fuel efficiency. Designed for serious towing and built with longevity in mind, this package is the ultimate upgrade for your Super Duty’s E4OD drivetrain.
💰 $1,800 USD refundable core deposit required.
Transmission Highlights:
Handles up to 300% more power and torque than stock
BD Rigid Aluminum Deep Pan – adds 6 quarts and reduces case flex
Pan includes magnetic drain plug & heat-dissipating fins
Fully rollerized geartrain with upgraded sprags & bearing designs
Reworked front pump with improved oiling circuits
Machined center support, piston, and rear ring gear hub
Extra clutches & tighter packs provide firmer shifts
30–40% more clutch material with added steels
Steel planetary upgrades (replaces OEM aluminum)
Shift kit and line mod valve increase pressure & shift firmness
Reprogrammed accumulator body with enhanced oil flow
Added lube to OD planet, output & intermediate shafts
Drilled/tapped feeds prevent case leaks
Auxiliary full-flow filter kit (1990–2003 models) included
Dyno-tested as a matched set
Clutch Count:
Coast: 2
Forward: 5
Direct: 5
Low Reverse: 7
Intermediate: 4
Overdrive: 4
ProForce Torque Converter:
Torque-multiplying cast aluminum stators
Lower RPM lock-up engagement for street/tow use
Furnace-brazed pump & turbine fins
Stamp-forged steel front cover
Improved efficiency and reduced heat output
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)
⚠️ Not intended for Race or Sled Pull use. Use of BD converter is required to validate warranty.
For the 2WD version see 1064422SM
BD Diesel TowMaster E4OD Transmission Assembly
BD ProForce Torque Converter (Matched Stall)
BD Aluminum HD Deep Transmission Pan
Auxiliary Frame-Mounted Full Flow Filter Kit
Pre-installed Enhanced Clutch Packs & Components
Reworked Front Pump
Installation Guide
BD Diesel has set the standard in diesel drivetrain innovation for over four decades. With real-world-tested durability and precision engineering, the TowMaster E4OD package delivers transmission confidence for diesel owners who tow, haul, and work hard. Every unit is dyno-tested, fine-tuned, and built to handle what the stock transmission simply cannot.
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.
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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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