Product Description
The ATS 309-865-4248 Stage 6 Allison LCT1000 Transmission Package is a top-tier performance transmission solution designed for 2001-2002 GM Silverado and Sierra trucks equipped with the 6.6L LB7 Duramax diesel engine. Built for extreme horsepower, towing, and heavy-duty use, this Stage 6 package represents ATS Diesel’s highest level of transmission performance and durability.
This complete package includes a fully built ATS Allison LCT1000 transmission, ATS Five Star torque converter, and supporting upgrades engineered to handle high torque loads and eliminate factory weaknesses. ATS enhances clutch capacity, internal components, and hydraulic control to deliver firm, consistent shifts and maximum power transfer.
Designed specifically for 4WD trucks with PTO capability, this transmission is ideal for work trucks, competition builds, and high-horsepower diesel applications. Whether you're towing heavy loads or pushing performance limits, the ATS Stage 6 Allison package delivers unmatched strength and reliability.
FAQ
What is included in the ATS 309-865-4248 package?
This package includes a fully built ATS Stage 6 Allison LCT1000 transmission and ATS Five Star torque converter.
What makes the Stage 6 transmission different?
Stage 6 is ATS’s highest performance level, designed for extreme horsepower applications with upgraded internals, increased clutch capacity, and improved hydraulic control.
Is this transmission suitable for towing?
Yes. It is built to handle heavy towing, hauling, and high-stress work conditions while maintaining durability and performance.
Does this support PTO?
Yes. This specific package is built for 4WD trucks equipped with PTO functionality.
Will this fit my truck?
This package fits 2001-2002 GM Silverado and Sierra trucks with the 6.6L LB7 Duramax diesel engine and Allison transmission.
FITMENT
2001-2002 Chevrolet Silverado 2500HD 6.6L LB7 Duramax Diesel 4WD with PTO
2001-2002 Chevrolet Silverado 3500 6.6L LB7 Duramax Diesel 4WD with PTO
2001-2002 GMC Sierra 2500HD 6.6L LB7 Duramax Diesel 4WD with PTO
2001-2002 GMC Sierra 3500 6.6L LB7 Duramax Diesel 4WD with PTO
Specifications for ATS 309-865-4248
| Specification | Details |
|---|---|
| Part Number | 309-865-4248 |
| Product Name | ATS Stage 6 Allison LCT1000 Transmission Package |
| Transmission Model | Allison LCT1000 Automatic |
| Engine Fitment | 6.6L LB7 Duramax Diesel |
| Vehicle Fitment | 2001-2002 GM Silverado / Sierra 2500HD / 3500 |
| Drive Configuration | 4WD |
| PTO Compatibility | Yes |
| Included Components | Stage 6 Built Transmission, Five Star Torque Converter |
| 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 |
