Product Description
The ATS 309-865-4308 Stage 6 Allison LCT1000 Transmission Package is the ultimate high-performance solution for 2006-2007 GM Silverado and Sierra trucks equipped with the 6.6L Duramax diesel engine (LLY, LBZ, and LMM). Designed for extreme horsepower, heavy towing, and demanding work applications, this Stage 6 package delivers maximum durability, torque capacity, and transmission performance.
This complete ATS package includes a fully built Stage 6 Allison LCT1000 transmission, ATS Five Star torque converter, and an ATS deep transmission pan. ATS upgrades the Allison platform with billet internal components, reinforced clutch packs, and precision calibration to handle significantly increased power levels while maintaining smooth and reliable operation.
Engineered for high-performance diesel applications, this transmission is built to eliminate common factory weaknesses and provide unmatched strength under load. The included torque converter enhances torque multiplication and efficiency, while the deep transmission pan increases fluid capacity and cooling performance to extend transmission life.
Ideal for high-horsepower builds, towing, and commercial use, the ATS Stage 6 Allison package is built for diesel owners who demand the strongest and most reliable transmission available.
FAQ
What is included in the ATS 309-865-4308 package?
This package includes a Stage 6 built Allison LCT1000 transmission, ATS Five Star torque converter, and ATS deep transmission pan.
What makes the Stage 6 transmission different?
Stage 6 is designed for extreme power levels with upgraded billet components, increased clutch capacity, and enhanced durability compared to lower stages.
Is this transmission good for towing and performance?
Yes. It is engineered for heavy towing, commercial use, and high-horsepower performance applications.
Does this unit support PTO?
Yes. This transmission is designed for 4WD trucks equipped with PTO functionality.
Will this fit my truck?
This package fits 2006-2007 GM trucks with the 6.6L Duramax diesel engine and Allison transmission.
FITMENT
2006-2007 Chevrolet Silverado 2500HD 6.6L Duramax LLY / LBZ / LMM (4WD)
2006-2007 Chevrolet Silverado 3500HD 6.6L Duramax LLY / LBZ / LMM (4WD)
2006-2007 GMC Sierra 2500HD 6.6L Duramax LLY / LBZ / LMM (4WD)
2006-2007 GMC Sierra 3500HD 6.6L Duramax LLY / LBZ / LMM (4WD)
Equipped with Allison LCT1000 Transmission and PTO
Specifications for ATS 309-865-4308
| Specification | Details |
|---|---|
| Part Number | 309-865-4308 |
| Product Name | ATS Stage 6 Allison LCT1000 Transmission Package |
| Transmission Model | Allison LCT1000 Automatic |
| Engine Fitment | 6.6L Duramax LLY / LBZ / LMM |
| Vehicle Fitment | 2006-2007 GM Silverado / Sierra 2500HD / 3500HD |
| Drive Configuration | 4WD |
| PTO Compatibility | Yes |
| Included Components | Stage 6 Built Transmission, Five Star Torque Converter, Deep Transmission Pan |
| Performance Level | Stage 6 (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 |
