
Built for 2005–2007 Dodge Ram 2500/3500 4WD trucks, this TowMaster 48RE transmission package from BD Diesel is the ideal solution for drivers who demand long-lasting durability, smoother towing performance, and increased torque handling. With upgraded internals and a triple-disc torque converter, this package includes everything needed for a high-performance drivetrain overhaul—engineered to handle power, heat, and stress where OEM units fail.
✅ Key Features
Transmission Highlights:
Upgraded valve body for consistent high-pressure shifts
High-burst-pressure governor solenoid and pressure transducer
Line pressure raised to 190–200 PSI for stronger clutch engagement
Eliminates shuttle shifting
Manual valve modified for lube in all positions
Stock thrust bushings replaced with Torrington roller bearings
Clutch Count:
• DIRECT: 6
• FORWARD: 5
• OVERDRIVE: 6
• OD DIRECT: 10
High-temp Raybestos band with billet band strut and lever
Billet “Big” fine spline input shaft
Intermediate shaft drilled for increased lubrication
BD heavy-duty aluminum pan with 2qt added capacity and cooling fins
Magnetic drain plug
Cooler line case saver and full-flow auxiliary filter kit
Dyno-tested to ensure performance and reliability
Available with or without billet input shaft
ProForce 3D Torque Converter:
Triple disc lock-up for high-torque holding
Stamp-forged one-piece cover eliminates warping
Taller rebuildable cover extends lifespan
Trapezoid self-centering teeth for reduced wear
Thrust bearings (not plastic washers)
Furnace-brazed turbine fins for better fluid coupling
Lightweight design reduces overall mass by 12 lbs
Riveted piston design eliminates vibration
Cast stator and upgraded sprag components ensure durability
Ideal for towing and tuned street trucks
🚙 Vehicle Compatibility
2005, 2006, 2007 Dodge Ram 2500 4WD – 5.9L Cummins
2005, 2006, 2007 Dodge Ram 3500 4WD – 5.9L Cummins
Supports TVV Stepper Motor configuration
📦 What’s Included
BD 48RE TowMaster Transmission with Billet Input Shaft
BD ProForce 3D Triple Disc Torque Converter
BD HD Aluminum Deep Transmission Pan
BD Auxiliary Full Flow Filter Kit
Cooler Line Case Saver
Required installation hardware
🛠️ Why Choose BD Diesel?
BD Diesel is a trusted leader in high-performance diesel drivetrain components. Their 48RE packages are built for heavy-duty towing and performance driving, featuring fully tested matched converter and transmission sets. When you choose BD, you get top-tier durability, expert craftsmanship, and warranty-backed confidence.
🕒 Install Time:
7 Hours 30 Minutes (includes sensor swaps and cooler flush)
🛡️ Warranty:
Parts: 36 Months / 150,000 Miles
Labor: 12 Months / 24,000 Miles
Race and sled pull use not covered. Remote filter required for warranty inspections.
🌎 Emissions:
50-state legal. Does not require a CARB EO. EMS:4