Product Description
The ATS 309-864-4362 Stage 6 Allison LCT1000 Transmission Package is a top-tier performance transmission solution engineered for 2011-2016 GM Silverado and Sierra HD trucks equipped with the 6.6L LML Duramax diesel engine and 4WD drivetrain. Designed for extreme power levels, heavy towing, and competition use, this Stage 6 package represents ATS’s highest level of durability and performance.
This complete package includes a fully built ATS Allison LCT1000 transmission, ATS Five Star torque converter, and an ATS deep transmission pan. ATS incorporates billet internal components, upgraded clutch packs, and advanced calibration strategies to dramatically increase torque capacity, eliminate slip, and provide consistent, firm shifting under extreme load conditions.
The Stage 6 build is ideal for high-horsepower applications, sled pulling, drag racing, and heavy-duty towing where maximum transmission strength and reliability are required. The included deep pan increases fluid capacity and cooling efficiency, helping maintain performance and extend transmission life in demanding environments.
FAQ
What is included in the ATS 309-864-4362 package?
This package includes a fully built ATS Stage 6 Allison LCT1000 transmission, ATS Five Star torque converter, and ATS deep transmission pan.
What makes the Stage 6 transmission different?
Stage 6 is ATS’s highest performance level, featuring billet internals, increased clutch capacity, and maximum torque handling capability for extreme applications.
Is this transmission good for high horsepower builds?
Yes. This transmission is specifically designed for high-horsepower trucks, competition use, and extreme towing conditions.
Does this improve towing performance?
Absolutely. It improves torque transfer, reduces slippage, and increases durability under heavy towing loads.
Will this fit my truck?
This package fits 2011-2016 GM Silverado and Sierra 2500HD/3500HD trucks with the 6.6L LML Duramax and 4WD configuration.
FITMENT
2011-2016 Chevy Silverado 2500HD 6.6L LML Duramax Diesel 4WD
2011-2016 Chevy Silverado 3500HD 6.6L LML Duramax Diesel 4WD
2011-2016 GMC Sierra 2500HD 6.6L LML Duramax Diesel 4WD
2011-2016 GMC Sierra 3500HD 6.6L LML Duramax Diesel 4WD
Specifications for ATS 309-864-4362
| Specification | Details |
|---|---|
| Part Number | 309-864-4362 |
| Product Name | ATS Stage 6 Allison LCT1000 Transmission Package |
| Transmission Model | Allison LCT1000 |
| Engine Fitment | 6.6L LML Duramax Diesel |
| Vehicle Fitment | 2011-2016 GM Silverado/Sierra 2500HD/3500HD |
| Drive Configuration | 4WD |
| Included Components | Stage 6 Built Transmission, Five Star Torque Converter, Deep Transmission Pan |
| Performance Level | Stage 6 (Extreme Duty / Competition Ready) |
| Material | Billet Internal Components with Upgraded Clutch Packs |
| UPC | Not Available |
| GTIN | Not Available |
| Shipping Information | Freight Shipping Required |
| Core Charge | Core Charge Applies |
| Prop 65 | WARNING: Cancer and Reproductive Harm |
