BD DIESEL 1064734SS TOWMASTER CHEVY ALLISON 1000 TRANSMISSION AND CONVERTER PACKAGE LBZ 6.6L 2006–2007 6-SPEED 4WD

Product Description

The BD DIESEL 1064734SS Towmaster Transmission and Converter Package is a heavy-duty reliability upgrade engineered for 2006–2007 Chevy and GMC 2500HD / 3500HD trucks equipped with the LBZ 6.6L Duramax and Allison 1000 6-speed automatic transmission. Designed for towing, work, and daily driving, this package strengthens known weak points in the factory transmission while maintaining smooth, predictable shift quality.

BD Diesel 1064734SS Towmaster transmission, Allison 1000 transmission upgrade, LBZ Duramax transmission package, Towmaster Allison converter, heavy duty towing transmission, Duramax 6 speed Allison rebuild

This Towmaster package includes upgraded clutch packs, improved internal components, and a matched heavy-duty torque converter to handle increased load and heat. Valve body calibration is optimized to increase clutch holding capacity while preserving drivability. The result is improved reliability under towing conditions, reduced clutch slip, and extended transmission service life for stock and mildly modified LBZ trucks.

Fitment

• 2006–2007 Chevrolet Silverado 2500HD / 3500HD
• 2006–2007 GMC Sierra 2500HD / 3500HD
• 6.6L Duramax LBZ Diesel Engine
• Allison 1000 6-speed automatic transmission
• 4WD models only

Key Features & Benefits

• Heavy-duty Towmaster transmission build for towing applications
• Upgraded clutch packs for improved holding power
• Optimized valve body calibration for firm, controlled shifts
• Matched heavy-duty torque converter
• Improved heat management and durability
• Maintains smooth drivability for daily use

Cross-Reference & Compatible BD Diesel Products (BD DIESEL ONLY)

• BD DIESEL 1064724SS TOWMASTER ALLISON 1000 TRANSMISSION & CONVERTER PACKAGE LLY/LBZ 2004–2007 2WD
• BD DIESEL 1064764SS ROADMASTER ALLISON 1000 TRANSMISSION & CONVERTER PACKAGE LBZ 2006–2007 4WD

Is this transmission built for towing?

Yes. The Towmaster series is specifically designed for towing, hauling, and work-truck duty with increased clutch capacity and improved heat resistance.

Is a core charge required?

Yes. This transmission and converter package requires a refundable core charge.

Does this include a torque converter?

Yes. A matched heavy-duty torque converter is included with this package.

Specifications for BD DIESEL PRODUCTS 1064734SS