
Upgrade your drivetrain with the BD Diesel TowMaster 48RE Transmission & Converter Package with TapShifter support—built specifically for 2005–2007 Dodge Ram 4WD trucks. Whether you're towing, hauling, or daily driving with tuned power levels, this package delivers unmatched durability, cooling efficiency, and precise shifting under load. Every unit is dyno-tested and equipped with high-performance internals and an upgraded torque converter to handle the torque of your 5.9L Cummins with confidence.
✅ Key Features
Transmission Highlights:
Upgraded valve body and pressure control system
Governor solenoid and pressure transducer rated for twice the burst pressure of stock
BD rigid aluminum HD pan adds 2 quarts, reduces case flex, and enhances cooling
Manual valve modified for lubrication in all gear positions
Replaces thrust bushings with roller Torrington bearings
High-energy Raybestos band with billet band lever and strut
Cooler line case saver and auxiliary full flow filter kit
Clutch Count:
• DIRECT: 6
• FORWARD: 5
• OVERDRIVE: 6
• OD DIRECT: 10
Dyno-tested to ensure shift quality and pressure integrity
TapShifter support for manual gear control
ProForce Torque Converter:
Enhanced stall – ideal for street and towing
Triple the stock lock-up clutch material
Furnace-brazed fins and cast aluminum stator
Lower RPM response for better efficiency and reduced heat
Stamp-forged steel front cover for strength
🚙 Vehicle Compatibility
2005, 2006, 2007 Dodge Ram 2500 4WD (5.9L Cummins)
2005, 2006, 2007 Dodge Ram 3500 4WD (5.9L Cummins)
Includes TapShifter compatibility
📦 What’s Included
BD 48RE TowMaster Performance Transmission (TapShifter-compatible)
BD ProForce Enhanced Stall Torque Converter
BD Deep Sump HD Aluminum Transmission Pan
Auxiliary Full Flow Frame-Mounted Filter Kit
Cooler Line Case Saver
All required installation hardware
🛠️ Why Choose BD Diesel?
BD Diesel is a leader in diesel drivetrain performance, offering track-proven and tow-ready solutions for Dodge, Ford, and GM trucks. Every transmission is hand-built, dyno-tested, and engineered to deliver reliability under high load and high horsepower situations. With BD, you’re not just getting a replacement transmission—you’re getting a long-term upgrade backed by a leading warranty.
🕒 Install Time:
Approx. 7 hours 30 minutes (includes sensor swap and cooler flush)
🛡️ Warranty:
Parts: 36 Months / 150,000 Miles
Labor: 12 Months / 24,000 Miles
Race or sled pull abuse not covered. Remote filter inspection required.
🌎 Emissions Compliance:
Legal for sale and use in all 50 states. This product does not require a CARB EO number.