Product Description
The ATS 309-843-4308 Stage 4 Allison LCT1000 Transmission Package with PTO capability is a high-performance upgrade designed for 2006–2007 6.6L Duramax LLY, LBZ, and LMM trucks. Built to handle demanding workloads and increased horsepower, this 2WD transmission package delivers exceptional strength, reliability, and drivability for both work and performance applications.
Engineered with upgraded clutch packs, billet internal components, and precision tuning, the ATS Stage 4 transmission eliminates common factory weaknesses while supporting significantly higher torque capacity. The added PTO (Power Take-Off) capability makes this package ideal for work trucks requiring auxiliary equipment operation without sacrificing performance.
Paired with the ATS Five Star torque converter and advanced transmission tuning, this package delivers firm, consistent shifts and long-lasting durability whether you're towing heavy loads or running increased power levels.
FAQ
Q: What is the benefit of a Stage 4 transmission?
A: Stage 4 offers increased clutch capacity, stronger internals, and improved shift performance, making it ideal for high horsepower and heavy-duty towing applications.
Q: What does PTO capability mean?
A: PTO (Power Take-Off) allows the transmission to power external equipment such as hydraulic pumps, making it perfect for work trucks and commercial applications.
Q: Is this transmission good for towing?
A: Yes, this transmission is built for heavy towing with improved torque handling and durability over stock.
Q: Does this include a torque converter?
A: Yes, it includes the ATS Five Star torque converter for improved power transfer and efficiency.
Fitment
- 2006 Chevrolet Silverado 2500HD/3500HD 6.6L LLY Duramax (2WD)
- 2006-2007 Chevrolet Silverado 2500HD/3500HD 6.6L LBZ Duramax (2WD)
- 2007 Chevrolet Silverado 2500HD/3500HD 6.6L LMM Duramax (2WD - Classic Body)
- 2006 GMC Sierra 2500HD/3500HD 6.6L LLY Duramax (2WD)
- 2006-2007 GMC Sierra 2500HD/3500HD 6.6L LBZ Duramax (2WD)
- 2007 GMC Sierra 2500HD/3500HD 6.6L LMM Duramax (2WD - Classic Body)
Key Features
- Designed for high-performance and heavy-duty use
- Increased clutch capacity and upgraded internals
- Billet components for added strength and durability
- PTO (Power Take-Off) capability for work applications
- ATS Five Star torque converter included
- Improved shift quality and transmission control
- Ideal for towing, commercial, and performance builds
Specifications for ATS 309-843-4308
| Specification | Details |
|---|---|
| Part Number | 309-843-4308 |
| UPC | Not Available |
| GTIN | Not Available |
| Transmission Type | Allison LCT1000 Stage 4 |
| Drivetrain | 2WD |
| Engine Compatibility | 6.6L Duramax LLY / LBZ / LMM |
| Model Years | 2006 - 2007 (Classic) |
| PTO Capability | Yes |
| Horsepower Rating | Up to 750 HP (Estimated) |
| 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 |
