Product Description
The ATS 309-853-4362 Stage 5 Allison LCT1000 Transmission Package is the ultimate performance and durability upgrade for 2011-2016 GM Silverado and Sierra trucks equipped with the 6.6L LML Duramax diesel engine. Designed for extreme power levels, heavy towing, and high-performance applications, this package delivers maximum strength, improved torque capacity, and superior reliability over factory transmissions.
This complete Stage 5 package includes an ATS-built Allison LCT1000 transmission, ATS Five Star torque converter, and ATS deep transmission pan. ATS Stage 5 transmissions are engineered with upgraded clutch packs, billet internal components, and precision calibration to handle significantly higher horsepower and torque demands while maintaining smooth and consistent shifting.
The included Five Star torque converter enhances torque multiplication, improves throttle response, and reduces slippage under load. The deep transmission pan increases fluid capacity and cooling efficiency, helping maintain optimal operating temperatures in extreme conditions.
This transmission package is ideal for high-performance diesel trucks, heavy towing setups, and customers pushing their Duramax to the next level while requiring maximum reliability and drivetrain strength.
FAQ
What is included in the ATS 309-853-4362 package?
This package includes a Stage 5 built 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 clutch packs, billet internal components, and higher torque capacity designed for extreme performance and heavy-duty applications.
Is this transmission suitable for high horsepower builds?
Yes. This package is designed for high-performance Duramax trucks producing significantly more power than stock.
Does this transmission support PTO?
Yes. This unit is specifically built for 2WD trucks equipped with PTO functionality.
Is this good for towing?
Absolutely. This transmission is designed for extreme towing, hauling, and heavy-duty use.
FITMENT
2011-2016 Chevrolet Silverado 2500HD 6.6L LML Duramax Diesel (2WD with PTO)
2011-2016 Chevrolet Silverado 3500HD 6.6L LML Duramax Diesel (2WD with PTO)
2011-2016 GMC Sierra 2500HD 6.6L LML Duramax Diesel (2WD with PTO)
2011-2016 GMC Sierra 3500HD 6.6L LML Duramax Diesel (2WD with PTO)
Specifications for ATS 309-853-4362
| Specification | Details |
|---|---|
| Part Number | 309-853-4362 |
| Product Name | ATS Stage 5 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 | 2WD |
| PTO Compatibility | Yes |
| Included Components | Stage 5 Built Transmission, Five Star Torque Converter, Deep Transmission Pan |
| Performance Level | Stage 5 (Extreme Duty / High Performance) |
| UPC | Not Available |
| GTIN | Not Available |
| Shipping Information | Freight Shipping Required |
| Core Charge | Core Charge Applies |
| Prop 65 | WARNING: Cancer and Reproductive Harm |