Description
When your finishing mower starts making noise or the deck belt keeps jumping off, there’s a good chance your idler pulley bearings are shot. This Weasler flat belt idler pulley fits Bush Hog TM4, TM5, TM6 Finishing Mowers and will replace 12661. A smooth-running idler keeps your deck belt tracking properly and your mower cutting evenly—essential for getting that clean, professional finish on your fields.
What You’re Getting
- 4-inch diameter pulley with a 5/8-inch bore that mounts easily on standard bolts
- Smooth flat surface designed specifically for flat belt applications
- Quality bearings that handle the heat and vibration of mowing operations
- Direct replacement that installs without modifications or adapters
Built for Real Farm Work
The TM4, TM5, and TM6 Bush Hog finishing mowers are workhorses for cleaning up pastures, roadsides, and fields after harvest. These machines put in long hours cutting everything from grass to light brush, and the idler pulley takes a beating keeping that deck belt tight and tracking straight. This pulley is built to handle the constant tension and vibration that comes with finish mowing.
Made to Last
Weasler has been making driveline and power transmission components for decades, so they know what works on farm equipment. This idler pulley uses quality bearings and construction that’ll stand up to dust, moisture, and the bumps that come with mowing rough ground.
Good to Know
Installation is straightforward—just remove the old pulley and bolt this one in its place. While you’ve got things apart, it’s a good time to check your deck belt for cracks or fraying and inspect the other pulleys for wear. A little grease on the mounting bolt threads helps with future removal.
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