Product Description
The ATS 309-845-4332 Stage 4 Allison LCT1000 Transmission Package is a high-performance upgrade designed specifically for 2007.5–2010 6.6L LMM Duramax trucks equipped with 4WD and PTO functionality. Built to handle significantly increased horsepower and torque, this transmission package eliminates factory weaknesses and delivers reliable performance for towing, work, and aggressive driving applications.
Featuring upgraded clutch packs, reinforced internal components, and the ATS Five Star torque converter, this Stage 4 transmission provides exceptional holding power and improved shift quality. The included ATS Co-Pilot controller enhances transmission control by optimizing line pressure and shift timing, ensuring maximum durability and drivability under load.
This package is ideal for trucks with moderate to high performance upgrades, offering a substantial increase in torque capacity while maintaining smooth operation for daily driving and heavy-duty use.
FAQ
Q: What power level can the ATS Stage 4 transmission handle?
A: The Stage 4 is designed for high-performance builds and can reliably support elevated horsepower levels typically up to around 700–800HP depending on setup.
Q: Does this transmission support PTO functionality?
A: Yes, this specific package is built with PTO capability, making it ideal for work trucks and commercial applications.
Q: Is a torque converter included?
A: Yes, the ATS Five Star torque converter is included for improved torque multiplication and efficiency.
Q: Is this suitable for towing?
A: Absolutely. This transmission is designed for heavy towing, hauling, and high-load applications with improved durability over stock.
Fitment
- 2007.5 Chevrolet Silverado 2500HD/3500HD 6.6L LMM Duramax (4WD)
- 2008 Chevrolet Silverado 2500HD/3500HD 6.6L LMM Duramax (4WD)
- 2009 Chevrolet Silverado 2500HD/3500HD 6.6L LMM Duramax (4WD)
- 2010 Chevrolet Silverado 2500HD/3500HD 6.6L LMM Duramax (4WD)
- 2007.5 GMC Sierra 2500HD/3500HD 6.6L LMM Duramax (4WD)
- 2008 GMC Sierra 2500HD/3500HD 6.6L LMM Duramax (4WD)
- 2009 GMC Sierra 2500HD/3500HD 6.6L LMM Duramax (4WD)
- 2010 GMC Sierra 2500HD/3500HD 6.6L LMM Duramax (4WD)
Key Features
- Stage 4 performance Allison LCT1000 transmission
- Supports up to ~800HP (build dependent)
- Upgraded clutch packs and internal components
- ATS Five Star torque converter included
- 4WD configuration with PTO capability
- ATS Co-Pilot controller for optimized shifting
- Improved durability for towing and performance use
- Designed for heavy-duty and high-performance applications
Specifications for ATS 309-845-4332
| Specification | Details |
|---|---|
| Part Number | 309-845-4332 |
| UPC | Not Available |
| GTIN | Not Available |
| Transmission Type | Allison LCT1000 Stage 4 |
| Drivetrain | 4WD |
| PTO Capability | Yes |
| Engine Compatibility | 6.6L Duramax LMM |
| Model Years | 2007.5 - 2010 |
| Horsepower Rating | Up to ~800 HP |
| Torque Capacity | Significantly Increased 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 |
