This gearbox is for line trimmers.
Gearbox contains the gears that turn the line spool for cutting.
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Troubleshooting
This part fixes the following symptoms:
Engine revs but trimmer head will not turn
This part works with the following products:
Trimmer.
This part works with the following products:
MTD, Yard Man, Troy-Bilt, Cub Cadet.
Customer Reviews
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★★★★★
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2.5
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★★★★★
★★★★★
David S - June 23, 2020
Verified Purchase
Part Review
Part was easy to install and works. Design is terrible...tall grass gets caught between metal housing and spinning plastic part. Line gets consistently caught inside housing and will not extend when tapped. Spend more time fiddling w/line feed than doing work!!! Very frustrating.
★★★★★
★★★★★
Mark K - February 18, 2019
Verified Purchase
Perfect match
The website was easy to use to confirm that I was ordering the right part. The price with shipping was a few dollars higher than some options but I wanted to make sure I didn't waste time ordering the wrong part. This was a perfect match. I disassembled the gear box and filled it with heavy duty lithium gearbox/bearing grease to improve the function and longevity of the assembly then reassembled and my string trimmer is working like new .
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Customer Repair Stories
Average Repair Rating: 3.8 / 5.0, 1 reviews.
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The gear ssembley was not turning
I ordered the gear assembley and the boom assembley and I stalled them.
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Gary
May 4, 2018
How do i remove the trimmer head from the gearbox.
For model number Tc80ec troybuiltweed eater
Hi Gary,
Thank you for your question. To remove the trimmer head you have to unscrew the bumper counter clockwise and then pull that piece off. From there you would simply just pull the trimmer head off. I hope that helps. Good luck with your repair.
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Jesse Shimer
June 24, 2019
I'm having trouble unscrewing the bumper. Its caused so much trouble i've looked at just buying a new one. Any suggestions on taking it off before i do that?
For model number TB32EC
Hello Jesse, thank you for your question. The bumper knob is just threaded onto the shaft, it should unscrew from the spool head. Here is a video that might help. https://www.youtube.com/watch?v=i4ZLEfIeF1Q
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