Product Description
The ATS 309-853-4248 Stage 5 Allison LCT1000 Transmission Package is the ultimate high-performance solution for 2001-2002 GM Silverado and Sierra trucks equipped with the 6.6L LB7 Duramax diesel engine. Designed for extreme horsepower, heavy towing, and competition-level demands, this Stage 5 package delivers maximum strength, durability, and reliability far beyond factory capabilities.
This complete ATS package includes a fully built Stage 5 Allison LCT1000 automatic transmission, ATS Five Star torque converter, and deep transmission pan. ATS upgrades the Allison platform with billet internal components, enhanced clutch packs, and proprietary modifications to significantly increase torque capacity and eliminate common transmission failures.
The included Five Star torque converter improves torque multiplication, lock-up efficiency, and throttle response, while the deep transmission pan increases fluid capacity and cooling performance. This combination ensures consistent operation under extreme load and high horsepower conditions.
Built for serious diesel enthusiasts, towing professionals, and high-performance applications, the ATS Stage 5 package is engineered to handle aggressive tuning, large turbo setups, and heavy-duty work environments.
FAQ
What is included in the ATS 309-853-4248 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 the Stage 5 transmission different?
Stage 5 transmissions feature upgraded billet components, enhanced clutch capacity, and are built to handle extreme horsepower and torque levels.
Is this transmission suitable for high horsepower builds?
Yes. This package is specifically designed for high-performance and competition-level diesel trucks.
Does this transmission support PTO?
Yes. This unit is designed for 2WD applications with PTO capability.
Is this good for towing?
Absolutely. It is ideal for heavy towing, hauling, and extreme-duty applications where reliability is critical.
FITMENT
2001-2002 Chevy Silverado 2500HD 6.6L LB7 Duramax Diesel (2WD with PTO)
2001-2002 GMC Sierra 2500HD 6.6L LB7 Duramax Diesel (2WD with PTO)
Equipped with Allison LCT1000 Transmission
Specifications for ATS 309-853-4248
| Specification | Details |
|---|---|
| Part Number | 309-853-4248 |
| Product Name | ATS Stage 5 Allison LCT1000 Transmission Package |
| Transmission Model | Allison LCT1000 Automatic |
| Stage Level | Stage 5 (Extreme Duty) |
| Engine Fitment | 6.6L LB7 Duramax Diesel |
| Vehicle Fitment | 2001-2002 Chevy Silverado / GMC Sierra 2500HD |
| Drive Configuration | 2WD |
| PTO Compatibility | Yes |
| Included Components | Stage 5 Built Transmission, Five Star Torque Converter, Deep Transmission Pan |
| Performance Capability | Extreme Horsepower & Heavy Towing Applications |
| UPC | Not Available |
| GTIN | Not Available |
| Shipping Information | Freight Shipping Required |
| Core Charge | Core Charge Applies |
| Prop 65 | WARNING: Cancer and Reproductive Harm |