The WORM GEAR – TCU26458 is a genuine John Deere drivetrain component designed to transmit rotational motion and torque within the right-angle drive assemblies of compatible reel mower and greens mower cutting units. Manufactured to OEM specifications, this precision-machined worm gear meshes with mating components to provide smooth, efficient motion, controlled speed reduction, and reliable torque transfer under mowing loads.

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Key Features

• Genuine John Deere OEM Part – Built to original equipment standards for precise fit and performance.

• Precision Gear Design – Ensures smooth tooth engagement and efficient torque transmission.

• Durable Construction – Engineered for long service life under load and repeated use.

• Direct Replacement Fit – Installs easily in compatible gear housings without modification.

• Critical Mower Drive Component – Essential for proper reel or roller adjustment systems.

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Fits These John Deere Models

This worm gear (TCU26458) is commonly used in the reel or fairway mower drive and adjustment mechanisms on a variety of John Deere turf and greens mowing machines, including:

• 180 / 180SL Greens Mowers

• 220 / 220SL Greens Mowers

• 2500B / 2500E Riding Greens Mowers

• 260SL Mowers

• 2653B Reel Mowers

• 7200 Fairway Mowers

• 7500 / 7700 Fairway Mowers

• 8000 / 8500 / 8700 Fairway Mowers

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Technical Specifications

• Part Number: TCU26458

• Component Type: Worm gear

• Brand: John Deere

• Application: Right-angle drive systems in reel/greens mower cutting units

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Typical Applications

This worm gear is typically used to:

• Transmit power in right-angle gear sets for reel or fairway mower drives

• Provide speed reduction and torque increase where belt or shaft drives transition direction

• Enable precise reel/roller adjustment and drive mechanisms

• Serve as part of the mower’s cutting unit drivetrain assembly

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Why Choose Genuine John Deere Worm Gears

Using genuine John Deere components such as the WORM GEAR – TCU26458 ensures correct tooth profile, precision engagement, and long service life — supporting quiet, efficient operation and reducing premature wear on related gears and bearings. OEM parts help maintain the performance and reliability of your mower’s drivetrain and cutting systems.