Built for durability and heavy-duty towing, the BD Diesel TowMaster 48RE Transmission is the go-to solution for 2005–2007 Dodge Ram 4WD owners looking to strengthen their drivetrain. Engineered to exceed factory specs, this BD transmission upgrade features high-performance internal components, a heavy-duty aluminum pan, and BD’s auxiliary full-flow filter kit for superior cooling and protection. Ideal for daily driving and towing, this transmission comes dyno-tested, TapShifter-ready, and built to support torque converter lock-up control and smoother gear engagement.

Note: A BD torque converter must be installed to validate warranty coverage. Core deposit of $1,800 applies.

✅ Key Features

Transmission Highlights

• Upgraded 48RE Transmission – dyno-tested before shipping

• Clutch Counts: OD (6), OD Direct (10), Forward (5), Direct (6)

• Increased line pressure: 190–200 PSI

• Upgraded valvebody & Raybestos high-energy band

• Upgraded governor solenoid & pressure transducer

• Billet band strut and lever

• Drilled intermediate shaft for improved lube flow

• Modified manual valve for lube in all gear positions

• Stock bushings replaced with roller Torrington bearings

• BD heavy-duty aluminum transmission pan (+2qt oil capacity)

• Cooler line case saver & magnetic drain plug

• BD auxiliary full-flow transmission filter kit

• Sealed plug-in wiring – no cutting or splicing required

• Available with billet input shaft (optional)

🚙 Vehicle Compatibility

Fits the Following:

• 2005 Dodge Ram 2500/3500 4WD 5.9L Cummins

• 2006 Dodge Ram 2500/3500 4WD 5.9L Cummins

• 2007 Dodge Ram 2500/3500 4WD 5.9L Cummins (non-6.7L only)

For automatic transmission-equipped trucks with 48RE.

📦 What’s Included

• BD TowMaster 48RE Transmission (Part #: 1064234F)

• BD Heavy Duty Aluminum Transmission Pan

• BD Auxiliary Full Flow Transmission Filter Kit

• Required sensors & sealed plug-in wiring harness

🛠️ Why Choose BD Diesel?

BD Diesel is a leader in diesel performance, known for delivering high-strength, dyno-tested drivetrain components for Dodge Ram trucks. The 48RE TowMaster Transmission is designed with durability in mind, combining upgraded internals, optimized fluid flow, and factory-safe plug-and-play wiring. Whether you're towing, daily driving, or hauling loads cross-country, BD ensures consistent power delivery and long-term reliability with industry-leading warranties and testing.