TREMEC TR-4050 2WD 5-Speed Manual Transmission – TDET18574

Super Duty Strength. Street & Work-Ready Performance.

The TREMEC TR-4050 TDET18574 is a heavy-duty 5-speed manual transmission for 2WD applications, engineered for superior durability, torque handling, and everyday drivability. Originally developed for high-torque trucks, this 2WD version of the proven TR-4050 platform is now available for GM-based performance builds, restomods, and workhorse applications.

Designed with wide gear spacing, a deep first gear, and a highway-friendly overdrive, the TR-4050 offers the perfect balance of power, precision, and practicality. Whether you’re upgrading a classic truck, building a tow rig, or swapping into a custom 2WD project, the TR-4050 delivers OEM reliability with aftermarket versatility.

Wide-Ratio Gear Set – Built for Torque & Versatility:

• 1st: 6.16 – Crawl or pull with ease

• 2nd: 3.11

• 3rd: 1.71

• 4th: 1.00

• 5th: 0.76 – Efficient cruising RPM

• Reverse: 6.03

Key Features:

• Heavy-Duty 2WD Manual Transmission

• 600 lb-ft Torque Capacity – Handles high-output engines with ease

• Optimized for GM 2WD Trucks and Builds

• Wide Gear Spread – Ideal for towing, hauling, and highway use

• All Gears Synchronized, Including Reverse – Smooth, consistent shifting

• High-Contact Helical Gears – Quiet, strong, and long-lasting

• Needle Bearings Under Gears – Reduced friction and improved efficiency

• Lightweight Die-Cast Aluminum Case – Strength without excess weight

• Multi-Rail Shift Linkage – Tight, precise gear engagement

Why Choose the TREMEC TR-4050 TDET18574 for 2WD?

The TR-4050 2WD isn't just another truck transmission—it's a super duty 5-speed engineered to thrive under high loads and hard use. With a deep 6.16:1 first gear for low-speed control and a 0.76:1 fifth gear for overdrive cruising, it offers the perfect gearing for both work and play.

Its bulletproof internals, premium synchronizers, and smooth-shifting operation make it ideal for builders, swappers, and restorers who need serious performance from their drivetrain.

Strength Where It Counts. Precision Where It Matters.

The TREMEC TR-4050 TDET18574 2WD transmission is the ultimate upgrade for GM-based 2WD truck applications, offering rugged durability, modern shift quality, and a gear range that fits real-world driving.

Perfect For:

• GM 2WD Truck Builds & Restorations

• High-Torque V8 Swaps

• Street/Strip Truck Projects

• Utility Vehicles & Work Trucks

• Classic Truck Manual Transmission Conversions