Built Transmissions

Transmission Category Page Product Finder

Truck
Year
Peak Rated Power

-95%

Vortec 8.1L 6-Speed Conversion Kit

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As low as $1,687.50 was $1,875.00

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-95%

LB7/LLY Duramax Allison 1000 6-Speed Conversion Kit

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As low as $1,687.50 was $1,875.00

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LB7 (2001-2004) 6 Speed DT550 - Built Transmission With Torque Converter

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As low as $6,025.00 was $6,525.00

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LB7 (2001-2004) 5 Speed DT550 - Built Transmission With Torque Converter

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As low as $5,000.00

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LLY (2004.5-2005) 6 Speed DT550 - Built Transmission With Torque Converter

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As low as $6,025.00 was $6,525.00

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LBZ (2006-2007) DT550 - Built Transmission With Torque Converter

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As low as $4,600.00

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LMM (2007.5-2010) DT550 - Built Transmission With Torque Converter

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As low as $4,600.00

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LML (2011-2016) DT550 - Built Transmission With Torque Converter

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As low as $4,600.00

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LLY (2004.5-2005) 5 Speed DT550 - Built Transmission With Torque Converter

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As low as $5,000.00

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LMM (2007.5-2010) DT750 Built Transmission w/Torque Converter & Billet Stator

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As low as $5,690.00 was $6,190.00

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LMM (2007.5-2010) DT750 Built Transmission w/o Torque Converter

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As low as $4,645.00

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LB7 (2001-2004) 5 Speed DT750 Built Transmissions w/Torque Converter & Billet Stator

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As low as $6,090.00 was $6,590.00

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Give us a call (815) 568-7920

We have 3 builds for you to choose from.

DT550
- The DT550 built transmission is designed for 2001-2016 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.
  
  The DT550 Built Transmission includes:
  - C1 - C4 Raybestos GPZ Clutches
  - C5 Reybestos Clutches
  - Goerend Triple Disc Torque Converter Included
  - New Neutral Safety Switch
  - New Speed Sensors
  - All new electronics
  - Upgraded valve body
  - Pre-Built and ready to install
  Optional Upgrades:
  - C-3 Oiler
  - Deep Pan
  - EFILive Tuning
  DT550 Built Transmissions are on the shelf and ready to ship today!
DT750
- The DT750 built transmission is designed for 2001-2016 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.
  
  The DT750 Built Transmission includes:
  - Alto G3 C1-C4 clutches
  - C5 Raybestos Clutches
  - New Neutral Safety Switch
  - Goerend Triple Disc Torque Converter w/Billet Stator
  - New Speed Sensors
  - All new electronics
  - Upgraded valve body
  - Pre-Built and ready to install
  Optional Upgrades:
  - C-3 Oiler
  - Deep Pan
  - EFILive Tuning
  DT750 Built Transmissions are on the shelf and ready to ship today!
DT1000
- The DT1000 built transmission is designed for 2001-2016 Duramax owners that push their Duramax to the limit.
  
  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:
  - Alto G3 C1-C4 clutches
  - C5 Raybestos Clutches
  - Goerend Triple Disc Torque Converter w/Billet Stator
  - Upgraded P1 Sun Gear
  - Upgraded C2 Hub
  - Billet P2 planetary gear
  - Billet Input Shaft
  - Billet Output Shaft
  - New Neutral Safety Switch
  - New Speed Sensors
  - All new electronics
  - Upgraded valve body
  - Pre-Built and ready to install
  Optional Upgrades:
  - C-3 Oiler
  - Deep Pan
  - EFILive Tuning
  DT1000 Built Transmissions are on the shelf and ready to ship today!

Built Transmissions

Interested in a Built Allison 1000 Transmission?

Give us a call (815) 568-7920

DT550

DT750

DT1000