Description
When you turn that key and hear grinding instead of your tractor firing up, a worn ring gear is often the problem. This 129-tooth ring gear is what your starter bendix engages with to crank the engine over. If those teeth get damaged from a stuck starter or worn-out bendix, you’ll be dealing with hard starting or worse – being stuck in the field when there’s work to do.
What You’re Getting
- Precisely cut 129 teeth that mesh smoothly with your starter drive
- Heavy-duty construction built to handle the stress of repeated starting cycles
- Direct replacement that fits exactly like the original factory part
- Heat-treated steel that resists wear and chipping under normal operation
Built for Real Farm Work
Zetor tractors are known for their reliability and value, making them popular choices for mixed farming operations, livestock farms, and specialty agriculture. This ring gear serves a wide range of Zetor models from the mid-size 7540 up through the powerful Forterra series tractors. Whether you’re running hay equipment, pulling tillage tools, or handling loader work, reliable starting is essential when the day starts before sunrise.
Made to Last
Ring gears take a beating every time you start your tractor, especially in cold weather when engines are harder to turn over. This one’s manufactured from quality steel with proper heat treatment to resist the impacts and stresses of starter engagement. It’s built to handle thousands of starting cycles without premature wear or tooth damage.
Good to Know
Ring gear replacement usually requires flywheel removal – definitely a job for someone with the right tools and experience. Check the condition of your ring gear teeth if the old starter was noisy – damaged teeth will quickly wear out a new starter. If you’re replacing the ring gear, it’s smart to also inspect your starter bendix and replace it if the teeth show wear.
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