Description
When your steering box is rebuilt or adjusted, getting the worm gear positioning just right is critical for smooth, precise steering. If there’s too much play in the wheel or the steering feels notchy, chances are your worm gear needs proper shimming. This 10-thousandths dowel shim helps set the exact clearance needed in your manual steering box’s worm and sector gear assembly, taking out that annoying slop while keeping everything turning smoothly.
Key Features
- Precise 10-thousandths (.010″) thickness for exact clearance adjustment
- Works with worm and sector gear design that’s been proven over decades of reliable service
- High-quality steel construction that holds its dimensions under steering loads
- Direct replacement part that fits properly without modifications
- Essential for proper steering box rebuilds and adjustments
Built for Real Farm Work
These shims are used during steering box rebuilds on classic Massey Ferguson tractors including the popular 35 and 35X utility models, the versatile 100 series machines like the 135, 133, 145, and 148, plus the larger 200 series tractors from the 230 up through the 260. Whether you’re running a compact utility tractor for chores or a bigger machine for serious field work, proper worm gear clearance keeps your steering responsive and predictable.
Made to Last
Quality steel construction means this shim maintains its thickness and won’t compress or deform under the constant pressure and movement inside your steering box. The precise manufacturing ensures consistent thickness across the entire shim, so you get uniform clearance that translates to smooth steering feel.
Good to Know
This is a rebuild component that requires steering box disassembly to install. Most mechanics check the existing clearance with feeler gauges and select the right shim thickness to achieve proper worm gear adjustment. If you’re doing the work yourself, take measurements before disassembly and work in a clean environment to keep dirt out of the gear teeth.






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