2004.5-2005 Duramax DT750 Transmission w/ Torque Converter & Billet Stator (dt750-LLY-6speed-TQC)

Fits

Tired of harsh shifting or banging gears (no pun intended)? These DT750 fully built transmissions from Calibrated Power give you smooth, positive shifts & easy torque converter lock-up; perfect if you are building a reliable daily, or heavy hauling rig.

Part Number: dt750-LLY-6speed-TQC

• 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

Is this Transmission right for 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
• Value a warranty that covers unlimited miles in the 1st year

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 
• Brand new valve body and solenoids

Upgraded C3/C4 Return Springs

• Stronger and more durable design
• More dependable clutch pack release
• Improves shift speed and quality  

Upgraded Billet Torque Converter

• Goerend X, Billet Triple Disc
• Able to hold up to 1,400Hp and 2,000ftlbs of torque 
• Designed to rotate smoother when coupled 
• Forged front cover and clutch pistons
• Reduces porosity and increases durability
• Billet Stator that is guaranteed to never break 
• Patented design insures torque converter clutch lock up timing
• Smooth consistent lock-up
• Superior strength to stock
• 1800 - 1900 RPM Stall Speed
• Perfect stall speed for towing and daily driving
• Provides reliability for increased power levels

Upgraded Transmission Case

• Pre-machined to accept C3 Oiler upgrade (Even if not selected)
• Easily upgradable in the future
• Upgraded Line Pressure Spring 
• Increases line pressure for stronger clutch holding force