The TREMEC TR-4050 is a heavy-duty 5-speed manual transmission built for longitudinal GM engines in light and medium-duty truck applications. With a lightweight aluminum housing, full synchronization, and robust gearing, it offers smooth shifting, strong torque capacity, and reliable performance with a single overdrive.

High-strength helical gears with constant mesh for maximum durability
Lightweight die-cast aluminum housing for reduced weight and rigidity
Right-side 6-bolt PTO ready for hydraulic pumps and accessories
Tapered roller bearings on all shafts for low NVH and efficiency
Advanced synchronizers with multiple-rail shifter for crisp shifts

Perfect for GM 2WD truck builds, high-torque applications, restomods, and work vehicles where strength and modern drivability are required.

Charts

Tremec Transmission Warranty

Specs

Gear ratios: 6.16, 3.11, 1.71, 1.00, .76 od. rev 6.03

Warranty Information

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Speedway Motors cannot facilitate the return of defective Tremec products as they have requested to handle these directly with the consumer. For defective product support and Return Authorization, please contact Tremec at +1 (800) 401-9866 (USA) or by ema

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TREMEC TDET18574 Specifications

KEY SPECS
MFG. Part #	TDET18574
Brand	TREMEC
Transmission Speeds	5-Speed
Input Shaft Spline Count	26
Input Shaft Diameter	1.125"

GENERAL
Torque	600 ft./lbs.
Output Shaft Spline Diameter	1.375"
Output Shaft Spline Count	31
Case Material	Aluminum
Bellhousing Included	No
Yoke Included	No
Shifter Included	Yes
Sold in Quantity	Kit
Yoke Style	Slip On
Shifter Style	Linkage operated

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