
The BD 1064734 TowMaster Allison 1000 Transmission is the ideal upgrade for LBZ Duramax owners seeking stronger towing performance and improved reliability. Designed for 2006–2007 GM 6.6L trucks with the 5-speed Allison, this dyno-tested transmission features reinforced internals, enhanced clutch counts, and BD’s heavy-duty deep pan for better cooling and fluid capacity. If your truck works hard, this transmission works harder.
💰 $1,800 Refundable Core Deposit Required
⏱️ Estimated Install Time: 9 Hours
Transmission Highlights:
BD HD aluminum transmission pan adds 3.5 quarts of fluid capacity
Revised oil circuits and upgraded A & B trim valves for full clutch pressure
High-energy frictions for greater thermal and torque durability
Dyno-tested for proven shift performance and reliability
Increased clutch count for better load handling:
C1: 8 clutches (+14%)
C2: 7 clutches (+17%)
C3: 7 clutches (+75%)
C4: 7 clutches (+17%)
C5: 7 clutches (+17%)
(BD Diesel Transmissions only have warranty when running a BD Trans & Converter)
2006–2007 Chevrolet Silverado 2500HD/3500HD 6.6L LBZ (5-Speed 4WD)
2006–2007 GMC Sierra 2500HD/3500HD 6.6L LBZ (5-Speed 4WD)
🔧 Note: Must be installed with a BD torque converter. Use of OE or third-party converter will void warranty.
BD TowMaster Allison 1000 Transmission (Dyno Tested)
BD Aluminum Deep Sump Transmission Pan
Upgraded clutch pack and valve body components
Pre-installed internal improvements for performance and longevity
BD Diesel is a leader in heavy-duty diesel performance. Each transmission is engineered with the experience of race and towing environments in mind. Every unit is dyno-tested to ensure flawless operation and durability, making BD your go-to for a dependable drivetrain upgrade.