BOSHCHEN 687-02528 Lawn Mower Blade Adapter with Pulley – 25mm Drive, Compatible with MTD/Yard-Man/Troy-Bilt TB230 TB280ES

Meet the BOSHCHEN 687-02528 blade adapter with pulley—a rugged upgrade designed to connect the motor pulley, blade, and belt so the drive shaft can rotate the blade smoothly. Built for compatibility with a broad range of MTD, Yard-Man, Troy-Bilt, and related models, this adapter helps keep lawn mower decks turning reliably through the season.

Rugged construction and reliable performance

Made from high-quality bronze alloys, the unit emphasizes durability and steady operation. The pulley is welded to the adapter; the result is a compact, one-piece assembly that reduces loose parts and potential misalignment. The stated diameter, inside bore, and height are matched to standard mower shafts and blades, helping you avoid common fitment hassles.

• Pulley diameter: 2.8 inches
• Inside diameter (bore): 25 mm
• Height: 2.85 inches
• One-piece welded construction for strength

What you get and how it helps

In the box you’ll find the 25 mm drive pulley adapter, a blade washer, and the necessary bolts to secure the assembly. The included hardware makes it easier to align the blade with the drive system and belt, supporting consistent mowing performance across sessions.

• Bolts and blade washers included for installation readiness
• Ready-to-install hardware to minimize maintenance downtime

Real-world use scenarios

Owners may notice smoother engagement between the motor pulley and blade, and a steadier blade rotation after replacement. This setup can support routine maintenance, quick part swaps after wear, and compatibility with a range of common yard tractors.

To maximize results, clean the shaft before installation and follow safe steps for removing the old components. There are many YouTube tutorials that illustrate the replacement process, which can help you complete the job with confidence.

Fitment and compatibility

The adapter is designed to fit several MTD family models and related brands, including Troy-Bilt TB230, TB240, TB260, and TB280 ES, among others listed in the fitment section. Always verify the OEM number 687-02528 matches your part before ordering.

Care and maintenance tips

Inspect the adapter for wear, keep fasteners tight, and store the kit with other mower maintenance parts. Regular checks can help ensure the drive system remains aligned as you cut different terrains.