BD Diesel 1064754BM TowMaster Allison Transmission & Converter Package with Billet Input Shaft

The BD Diesel TowMaster Transmission and Torque Converter Package delivers a dyno-tested, matched transmission and converter combination engineered for maximum performance and reliability in 2011-2016 Chevrolet LML Duramax 4WD applications. This complete package is designed to handle the extreme power and torque demands of modified diesel engines for towing, street driving, and track use.

Transmission Features:

• Upgraded clutch packs: C1 with 8 clutches (14% increase), C2/C4/C5 with 7 clutches each (17% increase), and C3 with 7 clutches (75% increase over stock)
• High-energy friction materials and increased steel mass for superior heat dissipation
• Billet input shaft construction withstands rapid throttle response and high horsepower applications
• BD Allison Pressure Box delivers up to 275 PSI of line pressure for firmer shifts and better clutch holding capacity
• BD aluminum HD deep transmission pan increases fluid capacity by 3.5 quarts for improved cooling
• Each transmission is individually dyno tested to ensure quality and performance

Triple-Disc Torque Converter Features:

• Enhanced stall speed optimized for street and towing applications
• Stamp-forged one-piece cover eliminates warpage from clutch heat
• Trapezoid tooth design with tighter tolerances for self-centering action, increased contact area, and reduced wear and chatter
• Heavy-duty springs absorb engagement shock
• Thrust bearings instead of plastic thrust washers for improved durability
• Riveted piston ensures perfect alignment and eliminates vibration
• Cast stator design maximizes torque multiplication
• Furnace-brazed turbine fins for improved fluid coupling efficiency
• Double-cage stator sprag reduces common OE stator failures
• 12 lbs lighter than competitor designs

Warranty Coverage:

• Parts: 36 months or 150,000 miles
• Labor: 12 months or 24,000 miles
• Note: Race abuse not covered

Installation and Compliance:

• Estimated installation time: 9 hours
• 50-state legal: Does not require CARB EO number in California

This complete TowMaster package provides the ultimate drivetrain upgrade for LML Duramax owners demanding reliability and performance under the most demanding conditions.