Product Description
The ATS 309-832-4332 Stage 3 Allison LCT1000 Transmission Package is a high-performance upgrade designed for 2007.5–2010 6.6L LMM Duramax trucks. Built to significantly improve durability and torque capacity over stock, this 2WD transmission package is ideal for daily drivers, towing applications, and moderately modified trucks.
ATS enhances the factory Allison platform with upgraded clutch packs, improved valve body calibration, and reinforced internal components to deliver firmer shifts, reduced slip, and longer transmission life. The included ATS Five Star torque converter maximizes power transfer while maintaining smooth drivability.
This Stage 3 package is engineered for trucks producing increased horsepower and torque while maintaining reliability under heavy loads, making it the perfect balance between performance and everyday usability.
FAQ
Q: What is the difference between Stage 3 and higher stages?
A: Stage 3 is designed for moderate power levels and towing, while higher stages include more billet components for extreme horsepower applications.
Q: Is this transmission good for towing?
A: Yes, it is an excellent choice for towing thanks to improved clutch capacity and better heat management.
Q: Does this package include a torque converter?
A: Yes, it includes the ATS Five Star torque converter for improved torque multiplication and efficiency.
Q: What horsepower range is this designed for?
A: This transmission is ideal for trucks up to approximately 600–700 horsepower depending on setup.
Fitment
- 2007.5 Chevrolet Silverado 2500HD/3500HD 6.6L LMM Duramax (2WD)
- 2008 Chevrolet Silverado 2500HD/3500HD 6.6L LMM Duramax (2WD)
- 2009 Chevrolet Silverado 2500HD/3500HD 6.6L LMM Duramax (2WD)
- 2010 Chevrolet Silverado 2500HD/3500HD 6.6L LMM Duramax (2WD)
- 2007.5 GMC Sierra 2500HD/3500HD 6.6L LMM Duramax (2WD)
- 2008 GMC Sierra 2500HD/3500HD 6.6L LMM Duramax (2WD)
- 2009 GMC Sierra 2500HD/3500HD 6.6L LMM Duramax (2WD)
- 2010 GMC Sierra 2500HD/3500HD 6.6L LMM Duramax (2WD)
Key Features
- Designed for towing and moderate performance builds
- Increased clutch capacity over stock
- Improved valve body calibration for firmer shifts
- ATS Five Star torque converter included
- Enhanced durability and reduced transmission slip
- Optimized for daily driving and heavy-duty use
Specifications for ATS 309-832-4332
| Specification | Details |
|---|---|
| Part Number | 309-832-4332 |
| UPC | Not Available |
| GTIN | Not Available |
| Transmission Type | Allison LCT1000 Stage 3 |
| Drivetrain | 2WD |
| Engine Compatibility | 6.6L Duramax LMM |
| Model Years | 2007.5 - 2010 |
| Horsepower Rating | Up to 700 HP |
| Torque Capacity | Significantly increased over stock |
| Shipping Weight | Approximately 375 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 |
