A 1,000 horsepower truck is worth nothing if you don't have a transmission that can get that power to the ground. Built to handle to most outrageous setups, the DT1000 locks hard and won't let you down on the track. This transmission features all the quality upgrades included with the DT750 in addition to billet input, output shafts, and a billet P2 planet gear.

Add a billet intermediate shaft for peace of mind. We also upgrade the P1 sun gear and the C2 hub. The DT1000 Built Transmission includes the following.

Upgraded Clutches:

• Alto G3 C1-C4 clutches
• C5 Raybestos Clutches
• Improved clutch torque capacity
• High Heat Resistance
• Smooth engagements
• Maximized reliability
• Better durability
• Made in the USA

Extra Clutches:

• DT1000 has added clutches for stronger clutch holding capacity
• The factory Allison has 12 C1 clutches, the DT1000 has 16
• The factory Allison has 6 C2 clutches, the DT1000 has 7
• The factory Allison has 4 C3 clutches, the DT1000 has 6
• The factory Allison has 5 C4 clutches, the DT1000 has 6

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

Billet Internals:

• Machined P1 Sun Gear for clearance to Billet C2 Hub
• Billet C2 Clutch Hub
• Billet P2 planetary gear
• Billet Input Shaft
• Billet Intermediate Shaft
• Billet Output Shaft

All New Electronics:

• New Neutral Safety Switch
• New Speed Sensors
• All new OEM Electronics & Sensors

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 quality

Upgraded Transmission Case:

• Goerend Billet C3 Oiler PTO Cover Upgrade - Increases lubrication of clutches and overall longevity and reliability
• Goerend Aluminum Deep Pan - Increases Fluid Capacity to Ensure Cleaner and Cooler Fluid
• Easily upgradable in the future

Upgraded Line Pressure Spring:

• Upgraded TransGo Lock-up Valve
• Increases line pressure for strong clutch holding force

This Transmission Is Right for You If You:

• Are currently making or plan to make more than 750 Horsepower with your build
• Have a combination of upgraded tuning, turbo(s), and fuel system components
• Mainly daily drive your truck for competition use, fun, or very heavy towing
• Lug your truck in towing situations often when pulling heavy loads
• Have a worn-out transmission because it wasn't able to handle the power you were making
• Are experiencing limp mode
• Currently have P0700 codes
• Experiencing other mechanical issues with your existing trans
• Quality and Reliability are your top priority
• Want a built transmission that's made in the USA

The LB7 (2001-2004) DT1000 - Built Transmission With Torque Converter is designed for 2001, 2002, 2003, and 2004 Chevy Silverado or GMC Sierra Duramax. DT1000 Built Transmissions are built to the highest quality standards with the highest quality parts.

Note: All pictures shown are for illustration purposes only. Actual product may vary due to product enhancement.

Features and Benefits:

• Add the 6th gear that your truck never had!
• Includes 6 Speed Conversion Kit - Save $300 vs. purchasing separately.
• Custom TCM tuning for your truck.
• Double Overdrive = 14 percent RPM reduction.
• Less road noise & vibration.
• Improved fuel economy.
• All new upgraded clutches compared to stock
• Additional clutches for added holding strength
• Machined P1 Sun Gear for clearance to Billet C2 Hub
• Billet C2 Clutch Hub
• Billet Input Shaft, Intermediate & Output Shafts
• Standard - Goerend Triple Disc, Billet Stator with factory stall speed (1,800-2,000 RPM).
• Upgraded C3 and C4 return springs
• Goerend Billet C3 Oiler PTO Covers & Deep Aluminum Pan
• A 3 year warranty

Details:

• Finish: Painted
• Color: Stealth Grey
• Transmission Model: Allison
• Transmission Build: DT1000
• Number of Speeds: 5
• Clutches: Alto G3 C1-C4, Raybestos C5
• Torque Converter: Goerend Triple Disc w/Billet Stator
• Torque Converter Included: Yes
• Stall Speed: 1,800 - 2,000 RPM
• Billet Components: Input Shaft, Intermediate Shaft, Output Shaft, P2 Planetary Gear, C2 Clutch Hub
• Transmission Pan: Goerend Aluminum Deep Pan

Fitment Notes:

• Make: Chevrolet, GMC
• Model Year: 2001-2004
• Engine Code: LB7
• Engine Size: 6.6 Liter
• Engine Family: Duramax