BD Diesel 1064724SS TowMaster Allison 1000 Transmission & Converter Package 2004.5-2006 LLY 5-Speed 4WD

The BD Diesel TowMaster Transmission and Torque Converter Package delivers a complete, dyno-tested drivetrain solution engineered specifically for 2004.5-2006 Chevy LLY Duramax trucks with the Allison 1000 5-speed 4WD transmission. Each package pairs a fully rebuilt high-performance transmission with a matched torque converter to ensure optimal performance, durability, and reliability under demanding towing and diesel power conditions.

Transmission Upgrades:

• High-energy friction materials for enhanced durability and heat resistance
• Significantly increased clutch counts across all clutch packs: C1 (8 clutches, 14% increase), C2 (7 clutches, 17% increase), C3 (7 clutches, 75% increase), C4 (7 clutches, 17% increase), and C5 (7 clutches, 17% increase)
• Revised oil circuits with new converter lock-up valve to boost lock-up pressures
• New A and B trim valves deliver full line pressure directly to clutches
• BD aluminum heavy-duty deep transmission pan increases fluid capacity by 3.5 quarts for improved cooling
• Each transmission is individually dyno tested for quality assurance

Torque Converter Features:

• Enhanced stall characteristics optimized for street and towing applications
• Torque-multiplying cast aluminum stators for improved power transfer
• Lower RPM response compared to stock converter for better off-the-line performance
• More efficient operation results in less heat generation and improved fuel economy
• Stamp-forged steel front cover for maximum strength
• Furnace-brazed fins ensure structural integrity under high stress
• Up to triple the amount of lock-up clutch material versus stock

Warranty Coverage:

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

Installation: Professional installation recommended. Estimated install time is approximately 9 hours.

Emissions Compliance: This product does not require an Executive Order (EO) in California. By design, it is legal for sale and use in all 50 states as a replacement part.

When you demand a transmission that can handle the increased power and torque of your modified diesel engine while towing heavy loads, the BD Diesel TowMaster package provides the matched performance and proven reliability you need.