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Duramax Power 2004.5-2005 LLY BUILT ALLISON DT750 TRANSMISSION - 750HP - DT750-LLY-5 / DT750-LLY-6

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DT750-LLY-5 / DT750-LLY-6

The LLY (2004.5-2005) DT750 - BUILT TRANSMISSION WITH TORQUE CONVERTER is designed for 2004.5 and 2005 Chevy Silverado or GMC Sierra Duramax Trucks. Great for those that are building the ultimate daily driver or just want a more reliable Allison 1000 transmission for towing heavy loads. You won’t experience harsh shifting or banging of gears with this built transmission, just smooth, positive shifts.

Your DT750 Built Transmission will come with all new upgraded clutches, steels, electronics, sensors, valve body, and return springs, ready to be installed. We will even help arrange roundtrip shipping. Generally, there is little to no lead time for the DT750 transmission.

The 5 Speed LLY DT750 Features:

- All new upgraded clutches compared to stock
- Additional clutches for added holding strength
- All New Electronics
- An upgraded valve body
- Upgraded C3 and C4 return springs
- An upgraded transmission case
- A 3 year warranty

The 6 Speed LLY DT750 Includes Everything Above and Adds:

- DuramaxTuner 6 Speed Conversion Kit
- 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

Pricing: $6,795.00

Customize Your Item

- Model Year -
 * required
- 2004.5-2005 LLY Trans Core -
 * required
- Goerend Deep Aluminum Pan -
 * required
- 5 Year Extended Warranty -
 * required
- Shipping -
 * required
- Lift Gate Service -
 * required
- 4 Wheel Drive or 2 Wheel Drive -
 * required
- Install Warranty Acknowledgement -
 * required
- 5 Speed or 6 Speed -
 * required
- Torque Converter -
 * required
- Transmission Case Finish Type -
 * required
- Fleece Trans Cooler Line Upgrade -
 * required
Qty:
Free Ground shipping - lower 48 U.S. only

Description

This Pre-Built DT750 Built Transmission includes:

  • Upgraded Clutches
  • Alto G3 C1 - C4 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
  • DT750 has added clutches for added clutch holding capacity
  • The factory Allison has 12 C1 clutches. The DT750 has 16
  • The factory Allison has 6 C2 clutches. The DT750 has 7
  • The factory Allison has 4 C3 clutches. The DT750 has 6
  • The factory Allison has 5 C4 clutches. The DT750 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
  • More dependable clutch pack release
  • Improves shift speed
  • Goerend Triple Disc Torque Converter w/Billet Stator
  • 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
  • Provides reliability for increased power levels
  • Upgraded Transmission Case
  • Pre-machined to accept C3 Oiler upgrade
  • Goerend Billet C-3 Oiler Mod Plate PTO Covers
  • Increased lubrication of clutches
  • Improves overall longevity and reliability
  • Allison Steel Deep Pan
  • Increases fluid capacity
  • Cleaner, Cooler fluid
  • Upgraded Line Pressure Spring
  • Increases line pressure for stronger clutch holding force

    • THIS TRANSMISSION IS RIGHT FOR YOU IF YOU…

    • Plan on upgrading your injectors and CP3 down the road
    • Might consider an upgraded turbo
    • Mainly daily drive your truck or use it for work
    • Lug your truck in towing situations often
    • 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 a built transmission that’s made in the USA

    DT750 Built Transmissions are built to the highest quality standards with the highest quality parts.

    The LLY (2004-2005) DT750 - BUILT TRANSMISSION WITHOUT TORQUE CONVERTER is designed for 2004.5, and 2005 Chevy Silverado or GMC Sierra Duramax.

    This transmission product must be matched with a Goerend Triple Disc Torque Converter w/Billet Stator. If you choose not to use the recommended torque converter Calibrated Power Solutions, Inc. will not be able to offer any warranty on your transmission.

    ALL PICTURES SHOWN ARE FOR ILLUSTRATION PURPOSES ONLY. THE ACTUAL PRODUCTS MAY VARY DUE TO PRODUCT ENHANCEMENT.

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    Shipping Information

    • Item Requires Shipping
    • Free Ground shipping - lower 48 U.S. only
    • This item ships in its own box.
    • This item will require a special quote for shipping charges.

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