Tremec T-56 Manual Transmissions TUET11012

Description

Tremec T-56 TUET11012 Transmission Overview

The Tremec T-56 Manual Transmission TUET11012 is a performance-focused 6-speed manual transmission built for drivers and builders who need strength, precision, and modern drivability in one transmission package.

This transmission belongs to the Tremec T-56 Manual Transmissions product line and is sold individually. It is not remanufactured; it is listed as a new manual transmission, making it a strong option for builders who want a fresh drivetrain component rather than a used or rebuilt unit.

The T-56 Magnum is widely recognized as one of Tremec’s flagship high-performance manual transmission platforms. It brings together modern OE-style transmission technology with features that performance builders value, including double overdrive, crisp shift engagement, multiple shifter-position capability, and strong torque handling.

This Tremec TUET11012 transmission is listed with 6 gears, a 1.125-inch input shaft diameter, 26 input splines, 31 output splines, aluminum case construction, and an included shifter. The bellhousing and yoke are not included, so buyers should plan those components separately.

For pro-touring cars, road-racing builds, restomods, street machines, and performance vehicle projects, this transmission gives builders a serious manual gearbox designed for both strength and usability.

Vehicle Fitment and Common Applications

The Tremec T-56 TUET11012 manual transmission is designed for compatible performance applications that require a 6-speed T-56 Magnum transmission with the correct input shaft, output shaft, bellhousing, clutch, crossmember, driveshaft, and shifter setup.

This transmission should not be selected by gear count alone. Fitment depends on the complete drivetrain combination, including engine, bellhousing pattern, clutch disc spline count, pilot bearing, transmission mount, tunnel clearance, driveshaft length, output yoke, speedometer connection, and shifter location.

The 26-spline input shaft is an important fitment detail because it affects clutch disc compatibility. The 31-spline output shaft must also be matched to the proper slip yoke or driveshaft setup.

Because the bellhousing is not included and the yoke is not included, buyers should confirm the correct bellhousing, clutch kit, flywheel, yoke, driveshaft, hydraulic release system, crossmember, and related installation components before ordering.

This Tremec T-56 Magnum transmission is commonly selected for high-performance street cars, muscle car upgrades, restomod builds, pro-touring vehicles, road-race applications, and custom manual transmission conversions.

T-56 Magnum Performance Design

The Tremec T-56 Magnum is described as the kingpin of Tremec’s high-performance lineup. It is an aftermarket version of technology related to the OE TR-6060 transmission platform, which is associated with modern high-performance factory vehicles.

This transmission is built for strength and crisp shifting. It is rated to withstand up to 700 lb.-ft. of torque, making it suitable for many serious performance builds when properly matched and installed.

The T-56 Magnum double-overdrive 6-speed transmission gives drivers the benefit of close, performance-friendly lower gears with highway-friendly overdrive ratios. This makes it especially attractive for powerful street cars that need both acceleration and comfortable cruising.

It is also listed at approximately 135 lbs. dry, making it reasonably light for a transmission with this level of strength and capability.

For builders who want a modern manual transmission with high torque capacity, precise engagement, and practical overdrive cruising, the Tremec TUET11012 provides a premium drivetrain foundation.

Gear Ratios and Driving Feel

The Tremec T-56 TUET11012 uses a performance-oriented 6-speed gear set with two overdrive gears. The gear ratios are listed as 2.97:1 first, 2.10:1 second, 1.46:1 third, 1.00:1 fourth, 0.74:1 fifth, and 0.50:1 sixth.

The 2.97:1 first gear gives the vehicle strong launch capability when matched with the correct rear axle ratio and tire size. The middle gears support smooth acceleration through the powerband, while fourth gear at 1.00:1 provides a direct-drive ratio.

The 0.74:1 fifth gear and 0.50:1 sixth gear give this transmission its double-overdrive advantage. These overdrive ratios can help reduce cruising RPM in compatible applications, making highway driving more relaxed and practical.

This combination is especially valuable for pro-touring and street performance builds, where the driver may want strong acceleration, crisp gear changes, and improved long-distance drivability.

The short, low-effort shift throws and precise engagement help make the T-56 Magnum manual transmission enjoyable for performance driving while still usable in street conditions.

Aluminum Case and Shifter Details

The Tremec T-56 Manual Transmission TUET11012 uses an aluminum case, helping manage weight while maintaining the structural strength required for a serious performance transmission.

The transmission includes a shifter, which is a helpful advantage for builders planning a complete manual transmission setup. However, buyers should still confirm shifter location, console clearance, tunnel fitment, and linkage requirements before installation.

The T-56 Magnum platform is known for multiple shifter-location capability and dual speedometer pickups, giving builders more flexibility in custom vehicle applications. This versatility is especially useful in restomod builds where the transmission must fit into a vehicle not originally designed for this gearbox.

Because the bellhousing is not included, installers must choose the correct bellhousing for the engine and clutch setup. The yoke is also not included, so output spline compatibility and driveshaft planning are required.

For best results, this transmission should be installed as part of a complete drivetrain plan rather than treated as a standalone part.

Key Benefits for Performance Builders

The main benefit of choosing the Tremec T-56 Manual Transmission TUET11012 is its combination of strength, drivability, and versatility. It gives performance builders a serious 6-speed manual transmission with modern gear ratios and high torque capacity.

The 700 lb.-ft. torque capacity gives this transmission the strength needed for many high-output builds when properly matched to the engine, clutch, driveline, and vehicle setup.

The double-overdrive design improves usability by supporting lower cruising RPM in compatible applications. This makes the transmission attractive for cars that are driven on the street, used for long-distance cruising, or built for pro-touring events.

The 26-spline input and 31-spline output provide strong drivetrain connection points, while the aluminum case keeps the unit reasonably light for its performance level.

The included shifter, crisp engagement, low-effort shift feel, and modern Tremec design make this transmission a premium option for builders who want performance without sacrificing usability.

Who This Transmission Is Best For

This transmission is best for performance builders, restoration shops, drivetrain specialists, race-prep shops, pro-touring enthusiasts, and serious street car owners who need a high-capacity Tremec 6-speed manual transmission.

It is a strong choice for custom builds where the buyer wants double overdrive, strong torque capacity, crisp shifting, and modern manual transmission performance.

The Tremec TUET11012 is especially suitable for pro-touring vehicles, road-racing applications, high-performance street machines, restomods, muscle car upgrades, and custom manual swap projects.

This transmission is not intended for applications requiring a different input spline count, output spline count, bellhousing configuration, gear ratio set, shifter location, or drivetrain layout unless compatibility has been confirmed.

Because the bellhousing and yoke are not included, it is best for buyers who are planning a complete drivetrain installation and can match all supporting parts correctly.

Technical Details and Included Features

The Tremec T-56 Manual Transmission TUET11012 is a new 6-speed manual transmission with an aluminum case, included shifter, 26-spline input, and 31-spline output. It is part of the Tremec T-56 Manual Transmissions product line and is sold individually.

This transmission features a double-overdrive gear set with a 0.74:1 fifth gear and 0.50:1 sixth gear. It is designed for high-performance applications and is rated to handle up to 700 lb.-ft. of torque when properly matched and installed.

Fitment Support and Ordering Notes

Before ordering the Tremec T-56 TUET11012, buyers should confirm that the transmission matches the vehicle, engine, clutch, and drivetrain setup. Important details include bellhousing compatibility, clutch spline count, pilot bearing fitment, flywheel, hydraulic release system, transmission mount, tunnel clearance, shifter position, driveshaft length, output yoke, speedometer setup, and rear axle ratio.

The bellhousing is not included, so buyers must select the correct bellhousing separately. The yoke is not included, so the 31-spline output must be matched to the correct driveshaft or slip yoke setup.

The shifter is included, but shifter location should still be checked against the vehicle’s transmission tunnel, console, and interior layout.

This transmission is sold individually and should be installed by a qualified drivetrain professional, especially in custom applications or manual transmission conversion projects.

Customers can also compare this product with other Tremec manual transmissions, compatible bellhousings, clutch kits, hydraulic release bearings, flywheels, driveshafts, crossmembers, transmission mounts, speedometer parts, and manual swap components when planning a complete build.

Frequently Asked Questions

What is the Tremec TUET11012 transmission?

The Tremec TUET11012 is a T-56 Magnum 6-speed manual transmission designed for high-performance street, pro-touring, road-racing, and custom manual transmission applications. It is sold individually and includes a shifter.

Is the Tremec TUET11012 new or remanufactured?

This transmission is listed as new, not remanufactured. It is part of the Tremec T-56 Manual Transmissions product line and is built for performance applications requiring a strong 6-speed manual gearbox.

How much torque can the T-56 Magnum handle?

The T-56 Magnum is rated to withstand up to 700 lb.-ft. of torque when properly matched to the engine, clutch, driveline, and vehicle setup.

What are the input and output spline counts?

This transmission has a 26-spline input shaft and a 31-spline output shaft. Buyers should confirm clutch disc compatibility and output yoke or driveshaft requirements before ordering.

Does this transmission include a bellhousing?

No. The bellhousing is not included with the Tremec TUET11012. Buyers must select the correct bellhousing separately based on the engine and clutch setup.

Does this transmission include a shifter?

Yes. The shifter is included. Buyers should still confirm shifter location, tunnel clearance, console fitment, and interior compatibility before installation.

What makes the T-56 Magnum good for street performance builds?

The T-56 Magnum combines high torque capacity, crisp low-effort shifting, multiple shifter-location capability, and double-overdrive gearing. This makes it useful for powerful street cars that need both strong acceleration and relaxed highway cruising.