California Residents: Prop 65 WarningDescription
BD Diesel Allison Transmission
Fitment
04.5-06 6.6L Chevrolet Duramax LLY
Features
- Increase the durability of your drivetrain
- BD Aluminum HD deep transmission pan, increases oil capacity by 3.5qt
- High energy clutch material
- Revised oil circuits
- New convertor lock up valve to boost lock-up pressures
- New A & B trim valves deliver full line pressure to the clutches
- Increased clutch count
- Clutch Count: C1 8 clutches (14% increase over stock)
- Clutch Count: C2 7 clutches (17% increase over stock)
- Clutch Count: C3 6 clutches (50% increase over stock)
- Clutch Count: C4 6 clutches (0% increase over stock)
- Clutch Count: C5 7 clutches (17% increase over stock)
- Each transmission is dyno tested
PROFORCE TORQUE CONVERTER:
- Enhanced Stall – Street/Towing applications
- Torque multiplying cast aluminum stators
- Lower rpm response than the stock converter
- More efficient operation
- Less heat and better fuel economy
- Stamp-forged steel front cover
- Furnace-brazed fins
Optional
PROFORCE 3D TORQUE CONVERTER:
- Triple Disc
- Enhanced Stall – Street/Towing applications
- HD springs absorb the shock of engagement
- Stamp forged 1-piece cover
- Eliminates warpage from clutch heat
- Taller cover can be rebuilt more often
- Trapezoid teeth design
- Engineered tighter tolerances
- Self-centering trapezoid teeth design increases contact decreases wear and chatter
- Thrust bearings – not plastic thrust washers
- Riveted piston ensures alignment & eliminates vibration or embrittlement from welding
- Cast stator designs maximize torque
- New sprag components ensure long term durability
- Furnace brazed turbine fins for improved fluid coupling efficiency
- Reduced overall weight by 12lbs compared to competitors
BD Diesel has always been at the forefront of the Diesel Pickup Truck industry, going back to 1989 with the introduction of the first-ever exhaust brake for a Diesel Pickup truck. Prior to entering this part of the market, BD Diesel was no stranger to the Diesel Truck world. Further back in the company’s timeline BD Diesel was known as Valley Fuel Injection Ltd. and their true beginnings go back to 1972. They have grown their reputation as being the early experts of diesel injection systems. They are still known as experts in many aspects of the diesel world and are certified Bosch, Stanadyne, Delphi, and Zexel specialists. Their product ranges now include Turbo systems, Fuel Injection Components, Exhaust Systems, Electronics, Transmissions, along with service components.
