2004.5-2005 LLY DT550 Built Allison Transmission
Your DT550 Built Transmission will come with New/Upgraded clutches and steels, electronics, sensors, valve body, return springs, and torque converter, ready to be installed. We will even help arrange roundtrip shipping. Generally, there is no lead time for the DT550 however you can expect to wait up to two weeks in cases where inventory is low.
The 5 Speed LLY DT550 Features:
- All new upgraded clutches compared to stock
- Additional clutches for added holding strenght
- All New Electronics
- An upgraded valve body
- Upgraded C3 and C4 return springs
- An upgraded Goerend billet torque converter
- An upgraded transmission case
- A 3-year standard or 5-year extended warranty
The 6 Speed LLY DT550 Features:
- All of the above plus the DuramaxTuner 6 Speed Conversion
- Custom TCM tuning for your specific truck
- Double Overdrive = 14% RPM Reduction
- Less Road Noise and Vibration
- Better fuel economy
- Gear indicator works on Edge CTS monitor
- Works with high idle, retrofit tap shifters
- You save $300 when bundled with a transmission
Description
The DT550 built transmission is designed for 2004.5-2005 Duramax owners that use their trucks regularly. Great for those that tow heavy or just want a more reliable Allison 100 transmission. Our relentless testing of this pre-built Allison transmission means you don't have to worry about getting where you are going. Our rigid standards for excellence are not limited to just overall strength, this setup is meant for the daily drivers. No harsh shifting or banging of gears. Just smooth, positive shifts and an easy converter lock-up. Everything you need can be included in 1 simple purchase. Your DT550 Built Transmission will come with New/Upgraded clutches and steels, electronics, sensors, valve body, and torque converter, ready to be installed. We will even help arrange roundtrip shipping.
The LLY DT550 Transmission Includes:
- Upgraded Clutches
- C1 - C4 Raybestos GPZ/Borg Warner Clutches
- C5 Raybestos Clutches
- Improved clutch torque capacity
- High heat resistance
- Smooth engagements
- Maximized reliability
- Better durability than stock
- Made in the USA
- Extra Clutches
- DT550 has added clutches for stronger clutch holding capacity
- The factory Allison has 12 C1 clutches. The DT550 has 16
- The factory Allison has 6 C2 clutches. The DT550 has 7
- The factory Allison has 4 C3 clutches. The DT550 has 6
- The factory Allison has 5 C4 clutches. The DT550 has 6
- All New Electronics
- New Neutral Safety Switch
- New Speed Sensors
- All OEM Electronics and Sensors
- No risk of corrosion, shorts, and bad connectors.
- Trouble free operation
- Provides long-term reliable performance we can stand behind
- Upgraded Valve Body
- TransGo shift kit with Mike L. upgraded shift springs
- Provides quicker, crisper shifts
- Rebuilt valve body with new solenoids, pressure switch & harness
- Upgraded C3/C4 Return Springs
- Stronger and more durable design
- More dependable clutch pack release
- Improves shift speed and quality
- Upgraded Billet Torque Converter
- Totally Custom for the DT550
- Goerend Billet Triple Disc (Stock has one disk)
- Designed to rotate smoother when coupled
- Forged front cover and clutch pistons
- Billet steel back cover
- Ensures torque converter clutch lock up
- Stator guaranteed to never break
- Proprietary high-performance multi-disc lock up clutches
- Superior strength to stock
- Smooth consistent lock-up
- 1800 - 1900 RPM Stall Speed
- Perfect stall speed for towing and daily driving
- Provides reliability for increased power levels
- Upgraded Transmission Case
- Pre-drilled to accept C3 Oiler upgrade (Even if not selected)
- Easily upgradable in the future
- Optional Upgrades:
- C-3 Oiler
- Increased lubrication of clutches
- Improves overall longevity and reliability
- Deep Pan
- Increases fluid capacity
- Cleaner, Cooler fluid
- C-3 Oiler
THIS TRANSMISSION IS RIGHT FOR YOU IF YOU…
- Aren’t looking to upgrade your injectors and CP3 down the road
- Might consider an upgraded turbo
- Mainly daily drive your truck or use it for work
- Tow light to medium loads frequently
- Have a high mileage or worn-out transmission
- Are experiencing limp mode
- Currently have P0700 codes
- Experiencing other mechanical issues with your stock trans
- Quality and Reliability are your top priority
- Want something made in the USA
- Value a warranty with unlimited miles in the 1st year
The LLY DT550 Built Transmission by Duramaxtuner.com is specifically designed for the 2004.5, and 2005 6.6L Duramax Equipped Chevy Silverado 2500/3500's and GMC Sierra 2500/3500's
* ALL PICTURES SHOWN ARE FOR ILLUSTRATION PURPOSES ONLY. THE ACTUAL PRODUCTS MAY VARY DUE TO PRODUCT ENHANCEMENT.
Details
- DT550-LLY-5-TQC / DT550-LLY-6-TQC
- DT550-LLY-5-TQC / DT550-LLY-6-TQC
- Calibrated Power
- In stock ships in 3-5 business days.
- New
Categories
Shipping Information
- Item Requires Shipping
- 350.0 lbs.
- W30.0000” x H36.0000” x L48.0000”
- This item ships in its own box.
- This item will require a special quote for shipping charges.
- Ships truck freight. Liftgate service option is required for destination addresses without a forklift or ability to unload from a semi-trailer. Will Call Pickup at our facility is also available.
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