The BD Diesel 1064754SM TowMaster Transmission & Triple Torque Converter Package is purpose-built for 2011–2016 GM 6.6L Duramax LML trucks equipped with the Allison 1000 transmission. This upgraded transmission delivers increased clutch holding power, improved fluid capacity, and exceptional durability under towing and daily driving conditions. The included BD Allison Pressure Box boosts line pressure up to 275 PSI for stronger engagement, while the Triple Torque Converter ensures smoother operation and longer service life.

✅ Key Features:

Transmission Highlights:

• BD Allison Pressure Box boosts line pressure to 275 PSI

• High-energy frictions and increased steel mass for better heat dissipation

• Heavy-duty BD aluminum deep sump pan adds 3.5 quarts of fluid capacity

• Dyno-tested for proven reliability

• Increased clutch counts:

  • C1: 8 clutches (+14%)

  • C2: 7 clutches (+17%)

  • C3: 7 clutches (+75%)

  • C4: 7 clutches (+17%)

  • C5: 7 clutches (+17%)

Triple Torque Converter:

• Heavy-duty Triple Disc Torque Converter

• New double cage stator sprag for added strength and durability

• Forged 1-piece steel cover eliminates warpage

• Cast stator for maximized torque multiplication

• Furnace-brazed turbine fins for enhanced fluid coupling

• Thrust bearings (not plastic washers)

• Lightweight: 12 lbs lighter than competitors

• Self-centering trapezoid teeth reduce wear and chatter

🚙 Vehicle Compatibility:

• 2011–2016 Chevrolet Silverado 2500HD/3500HD 6.6L Duramax LML (4WD)

• 2011–2016 GMC Sierra 2500HD/3500HD 6.6L Duramax LML (4WD)

• Designed for Allison 1000 automatic transmission-equipped trucks

📦 What’s Included:

• BD TowMaster Allison 1000 Transmission (pre-assembled)

• BD Triple Torque Converter

• BD Allison Pressure Box

• BD Aluminum Deep Sump Transmission Pan

💰 Refundable Core Deposit: $2,100 USD

🛠️ Why BD Diesel?

BD’s transmissions and torque converters are built for real-world performance. Every unit is dyno-tested and reinforced to eliminate factory weak points. When paired with BD’s proprietary pressure management and converter upgrades, you get a towing-capable, long-lasting drivetrain solution trusted by diesel performance shops worldwide.