Product Description
The ATS 309-835-4332 Stage 3 Allison LCT1000 Transmission Package is a high-performance upgrade designed for 2007.5–2010 6.6L LMM Duramax trucks equipped with 4WD and PTO functionality. Built to significantly outperform the factory Allison transmission, this package delivers improved durability, increased torque capacity, and enhanced shift performance for both towing and daily driving applications.
Engineered with upgraded clutch packs, precision-machined components, and ATS’s proven transmission technology, the Stage 3 package is ideal for trucks running mild to moderate performance upgrades. The included ATS Five Star torque converter ensures efficient power transfer, while the reinforced internals help eliminate common failure points found in stock transmissions.
This transmission package is perfect for work trucks, towing applications, and performance enthusiasts looking for a reliable upgrade without stepping into extreme race-level builds.
FAQ
Q: What is the advantage of the Stage 3 transmission over stock?
A: The Stage 3 includes upgraded clutch capacity, improved internal components, and better torque handling, making it far more reliable under load than the factory Allison.
Q: Does this transmission support PTO functionality?
A: Yes, this unit is specifically designed for trucks equipped with PTO (Power Take-Off).
Q: Is this a good option for towing?
A: Absolutely. This transmission is ideal for towing heavy loads with improved cooling and durability over stock.
Q: Does this include a torque converter?
A: Yes, it comes with the ATS Five Star torque converter for enhanced performance and efficiency.
Fitment
- 2007.5 Chevrolet Silverado 2500HD/3500HD 6.6L LMM Duramax (4WD)
- 2008 Chevrolet Silverado 2500HD/3500HD 6.6L LMM Duramax (4WD)
- 2009 Chevrolet Silverado 2500HD/3500HD 6.6L LMM Duramax (4WD)
- 2010 Chevrolet Silverado 2500HD/3500HD 6.6L LMM Duramax (4WD)
- 2007.5 GMC Sierra 2500HD/3500HD 6.6L LMM Duramax (4WD)
- 2008 GMC Sierra 2500HD/3500HD 6.6L LMM Duramax (4WD)
- 2009 GMC Sierra 2500HD/3500HD 6.6L LMM Duramax (4WD)
- 2010 GMC Sierra 2500HD/3500HD 6.6L LMM Duramax (4WD)
Key Features
- Designed for towing and performance applications
- Upgraded clutch packs for increased holding capacity
- Improved torque capacity over stock
- ATS Five Star torque converter included
- Compatible with PTO-equipped vehicles
- Enhanced durability and reliability
- Optimized shift quality and performance
- Ideal for daily driving, towing, and mild performance builds
Specifications for ATS 309-835-4332
| Specification | Details |
|---|---|
| Part Number | 309-835-4332 |
| UPC | Not Available |
| GTIN | Not Available |
| Transmission Type | Allison LCT1000 Stage 3 |
| Drivetrain | 4WD |
| PTO Compatibility | Yes |
| Engine Compatibility | 6.6L Duramax LMM |
| Model Years | 2007.5 - 2010 |
| Horsepower Rating | Up to 600 HP (approx.) |
| Torque Capacity | Significantly increased over stock |
| Shipping Weight | Approximately 400 lbs |
| Shipping Method | Freight (Core Charge Applies) |
| Warranty | 5 Year / 500,000 Mile Limited Warranty |
| California Prop 65 | WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov |