Tremec TUET11009 T-56 Magnum 6-Speed Transmission | 700 ft-lb Torque

The Tremec TUET11009 T-56 Magnum is a semi-universal high-performance transmission engineered for strength, precision, and reliability. Commonly used as an upgrade or replacement in E-chassis BMW manual transmission swaps, this 6-speed unit is also a top choice for custom builds requiring a robust, smooth-shifting gearbox.

Built to handle up to 700 ft-lbs of torque, the TUET11009 features a reinforced input shaft, widened gear faces, and redesigned shift forks for increased durability under extreme loads. Tremec’s two-piece laser-beam welded case improves rigidity, making it ideal for high-horsepower street or racing setups.

Gear Ratios:
1st – 2.66
2nd – 1.78
3rd – 1.30
4th – 1.00
5th – 0.80
6th – 0.63
Reverse – 2.90

Features:

• Rated for up to 700 ft-lbs of torque
• Stronger input shaft and increased face widths
• Redesigned shift forks for precise gear engagement
• Two-piece laser-beam welded construction for improved strength
• Compatible fluids: Dexron III ATF or Mobil 1 ATF
• Semi-universal fit; popular upgrade for BMW E-chassis manual conversions
• Not a direct OEM replacement for factory GM T-56 units

Specifications:

• Input Spline: 26
• Output Spline: 31
  
• Made for high-performance and custom applications