Product Description
The ATS 309-834-4332 Stage 3 Allison LCT1000 Transmission Package is a high-performance upgrade designed for 2007.5–2010 6.6L LMM Duramax trucks equipped with 4WD. Built to significantly improve reliability, towing capability, and power handling, this transmission package addresses common factory weaknesses while maintaining excellent daily drivability.
Engineered for trucks running increased power levels, the Stage 3 package includes upgraded clutch packs, improved internal components, and the ATS Five Star torque converter to deliver stronger power transfer and reduced slippage. Whether you’re towing heavy loads or running performance tuning, this transmission provides the durability and control you need.
This package is ideal for moderate to high horsepower builds, offering increased torque capacity and improved shift performance without sacrificing street manners.
FAQ
Q: What power level is the ATS Stage 3 transmission designed for?
A: The Stage 3 is ideal for moderate to high-performance builds, typically supporting trucks with upgraded tuning and bolt-on performance modifications.
Q: Is this transmission suitable for towing?
A: Yes, it is specifically designed to improve towing performance with stronger internals and better torque handling than stock.
Q: Does this include a torque converter?
A: Yes, the package includes the ATS Five Star torque converter for improved efficiency and durability.
Q: Is this a direct replacement?
A: Yes, this is a direct-fit replacement for LMM Duramax trucks with 4WD configurations.
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 increased horsepower and torque applications
- Upgraded clutch packs for improved holding power
- ATS Five Star torque converter included
- Enhanced durability over stock transmission
- Improved shift quality and performance
- Built for towing and daily driving reliability
- Direct-fit replacement for LMM Duramax 4WD trucks
Specifications for ATS 309-834-4332
| Specification | Details |
|---|---|
| Part Number | 309-834-4332 |
| UPC | Not Available |
| GTIN | Not Available |
| Transmission Type | Allison LCT1000 Stage 3 |
| Drivetrain | 4WD |
| Engine Compatibility | 6.6L Duramax LMM |
| Model Years | 2007.5 - 2010 |
| Horsepower Rating | Up to ~600-700 HP (estimated) |
| 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 |
