Product Description
The ATS 309-853-4332 Stage 5 Allison LCT1000 Transmission Package is a top-tier performance transmission upgrade designed for 2007.5-2010 GM Silverado and Sierra trucks equipped with the 6.6L LMM Duramax diesel engine, 2WD drivetrain, and PTO. Built for extreme performance, towing, and high-horsepower applications, this package delivers maximum durability, torque capacity, and reliability far beyond factory limitations.
This complete Stage 5 package includes a fully built ATS Allison LCT1000 transmission, ATS Five Star torque converter, and ATS deep transmission pan. ATS incorporates billet internal components, upgraded clutch packs, and advanced hydraulic modifications to handle significantly increased power levels while maintaining precise, consistent shifting.
The included Five Star torque converter improves torque multiplication, reduces slippage, and enhances throttle response, while the deep transmission pan increases fluid capacity and cooling efficiency. This combination ensures optimal performance under heavy load, making it ideal for towing, racing, or high-performance diesel builds.
Engineered for serious diesel enthusiasts and work trucks alike, the ATS Stage 5 Allison package is the ultimate solution for those demanding maximum strength and reliability from their drivetrain.
FAQ
What is included in the ATS 309-853-4332 package?
This package includes a fully built ATS Stage 5 Allison LCT1000 transmission, ATS Five Star torque converter, and ATS deep transmission pan.
What makes Stage 5 different from lower stages?
Stage 5 includes upgraded billet internal components and higher capacity clutch packs designed to handle extreme horsepower and torque levels.
Is this transmission suitable for towing?
Yes. It is built specifically for heavy towing, hauling, and high-performance applications.
Does this unit support PTO?
Yes. This transmission is designed for trucks equipped with PTO functionality.
Will this fit my truck?
This package fits 2007.5-2010 GM Silverado and Sierra 2500HD/3500HD trucks with the 6.6L LMM Duramax engine, 2WD configuration.
FITMENT
2007.5-2010 Chevy Silverado 2500HD 6.6L LMM Duramax Diesel (2WD with PTO)
2007.5-2010 Chevy Silverado 3500HD 6.6L LMM Duramax Diesel (2WD with PTO)
2007.5-2010 GMC Sierra 2500HD 6.6L LMM Duramax Diesel (2WD with PTO)
2007.5-2010 GMC Sierra 3500HD 6.6L LMM Duramax Diesel (2WD with PTO)
Specifications for ATS 309-853-4332
| Specification | Details |
|---|---|
| Part Number | 309-853-4332 |
| Product Name | ATS Stage 5 Allison LCT1000 Transmission Package |
| Transmission Model | Allison LCT1000 Automatic |
| Engine Fitment | 6.6L LMM Duramax Diesel |
| Vehicle Fitment | 2007.5-2010 Chevy/GMC 2500HD & 3500HD |
| Drive Configuration | 2WD |
| PTO Compatibility | Yes |
| Included Components | Stage 5 Built Transmission, Five Star Torque Converter, Deep Transmission Pan |
| Performance Level | Stage 5 – Extreme Duty / High Horsepower |
| UPC | Not Available |
| GTIN | Not Available |
| Shipping Information | Freight Shipping Required |
| Core Charge | Core Charge Applies |
| Prop 65 | WARNING: Cancer and Reproductive Harm |
