Product Description
The ATS 309-855-4362 Stage 5 Allison LCT1000 Transmission Package is a top-tier performance transmission solution built for 2011-2016 GM Silverado and Sierra trucks equipped with the 6.6L LML Duramax diesel engine, 4WD drivetrain, and PTO. Designed for extreme horsepower, towing, and heavy-duty applications, this Stage 5 package delivers maximum strength, durability, and performance.
This complete package includes an ATS-built Stage 5 Allison LCT1000 transmission, ATS Five Star torque converter, and ATS deep transmission pan. ATS upgrades internal components with billet shafts, enhanced clutch packs, and reinforced hard parts to handle significantly higher torque loads while maintaining precise shifting and drivability.
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 to maintain optimal operating temperatures under extreme conditions.
This package is ideal for high-performance builds, heavy towing, and competition-level applications where maximum transmission strength and reliability are required.
FAQ
What is included in the ATS 309-855-4362 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 units include extensive billet upgrades, reinforced internal components, and increased clutch capacity to handle extreme horsepower and torque levels.
Is this transmission suitable for high horsepower builds?
Yes. This package is designed for high-performance applications, including heavily modified trucks and competition use.
Does this transmission support PTO?
Yes. This specific configuration is built for 4WD trucks equipped with PTO.
Is this good for towing?
Absolutely. While designed for high performance, it also excels in heavy towing and commercial applications.
FITMENT
2011-2016 Chevrolet Silverado 2500HD 6.6L LML Duramax Diesel 4WD with PTO
2011-2016 Chevrolet Silverado 3500HD 6.6L LML Duramax Diesel 4WD with PTO
2011-2016 GMC Sierra 2500HD 6.6L LML Duramax Diesel 4WD with PTO
2011-2016 GMC Sierra 3500HD 6.6L LML Duramax Diesel 4WD with PTO
Specifications for ATS 309-855-4362
| Specification | Details |
|---|---|
| Part Number | 309-855-4362 |
| Product Name | ATS Stage 5 Allison LCT1000 Transmission Package |
| Transmission Model | Allison LCT1000 Automatic |
| Engine Fitment | 6.6L LML Duramax Diesel |
| Vehicle Fitment | 2011-2016 GM Silverado/Sierra 2500HD/3500HD |
| Drive Configuration | 4WD |
| 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 |