Product Description
The ATS 309-835-4362 Stage 3 Allison LCT1000 Transmission Package is a high-performance upgrade designed for 2011–2016 6.6L LML Duramax trucks equipped with 4WD and PTO functionality. Built to significantly improve durability, shift quality, and torque capacity, this transmission package is ideal for towing, work trucks, and moderate performance applications.
Engineered with upgraded clutch packs, precision-machined internal components, and ATS’s proven transmission technology, the Stage 3 package eliminates common factory weaknesses while maintaining excellent drivability. The inclusion of a PTO-compatible design ensures seamless integration for trucks requiring auxiliary power take-off operation.
This complete package delivers increased holding power, reduced slippage, and improved transmission longevity, making it a dependable solution for both daily driving and heavy-duty workloads.
FAQ
Q: What is the difference between Stage 3 and higher ATS stages?
A: Stage 3 is designed for improved durability and moderate performance, while higher stages (Stage 4 and 5) include more billet components for extreme horsepower applications.
Q: Does this transmission support PTO operation?
A: Yes, this unit is specifically built with PTO compatibility for work trucks requiring auxiliary equipment.
Q: Is this a good option for towing?
A: Absolutely. The Stage 3 package is ideal for towing and heavy-duty use with improved clutch holding capacity and cooling efficiency.
Q: Does this include a torque converter?
A: Yes, it includes an upgraded ATS torque converter designed for improved efficiency and torque transfer.
Fitment
- 2011 Chevrolet Silverado 2500HD/3500HD 6.6L LML Duramax (4WD)
- 2012 Chevrolet Silverado 2500HD/3500HD 6.6L LML Duramax (4WD)
- 2013 Chevrolet Silverado 2500HD/3500HD 6.6L LML Duramax (4WD)
- 2014 Chevrolet Silverado 2500HD/3500HD 6.6L LML Duramax (4WD)
- 2015 Chevrolet Silverado 2500HD/3500HD 6.6L LML Duramax (4WD)
- 2016 Chevrolet Silverado 2500HD/3500HD 6.6L LML Duramax (4WD)
- 2011-2016 GMC Sierra 2500HD/3500HD 6.6L LML Duramax (4WD)
Key Features
- Designed for towing and work applications
- Enhanced clutch capacity for improved holding power
- PTO-compatible transmission design
- Upgraded ATS torque converter included
- Improved shift quality and reduced slippage
- Increased durability over stock transmission
- Ideal for daily driving and moderate performance builds
Specifications for ATS 309-835-4362
| Specification | Details |
|---|---|
| Part Number | 309-835-4362 |
| UPC | Not Available |
| GTIN | Not Available |
| Transmission Type | Allison LCT1000 Stage 3 |
| Drivetrain | 4WD |
| PTO Compatibility | Yes |
| Engine Compatibility | 6.6L Duramax LML |
| Model Years | 2011 - 2016 |
| Horsepower Rating | Up to 600 HP |
| Torque Capacity | Upgraded over stock |
| Shipping Weight | Approximately 400 lbs |
| Shipping Method | Freight (Core Charge Applies) |
| Warranty | 5 Year / 500,000 Mile Limited Warranty |
| California Prop 65 | WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov |