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.

✅ Key Features:

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

🚙 Vehicle Compatibility:

• 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

📦 What’s Included:

• 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

🛠️ Why BD Diesel?

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.