Easy
15-30 minutes
This part is an OEM from the Ryobi manufacturer. The lower flexible drive shaft (24 3/4") is made of metal, and is compatible with multiple tools and machines. This part is used to operate the device cutting head, and is regularly secured in the draft shaft housing. It is recommended to refer to specific manual and diagrams for repair instructions. This part is sold individually. A screwdriver is often helpful in the replacement.
Lower Flexible Drive Shaft (24 791-181852
OEM part for: Ryobi, Troy-Bilt, Yard Man, MTD, Cub Cadet
Part Number: 791-181852
$59.82
In Stock
Ships within 1 business day 
Compatibility
This Lower Flexible Drive Shaft (24 will fit the following 163 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
Ryobi
Troy-Bilt
Yard Man
MTD
Cub Cadet
Show More Compatible ModelsThis item works with the following types of products:
- Trimmer Parts
- Blower Parts
- Snowblower Parts
This part replaces obsolete part #: 181852, 791-683608
Repair Videos ?
Watch the Repair Video for
Lower Flexible Drive Shaft (24
Articles:
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Head Not Spinning? See how to replace the lower flexible drive shaft on a Ryobi trimmer....
August 28, 2015
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Customer Part Reviews ?
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Easy
Arrived on time... easy and simple ordering!!!
Guest -
July 1, 2020
Verified Purchase
Repair was easier than first conceived, part was exactly what I needed
The part was sort of the drive shaft of my string trimmer. It fit just like it was supposed to. The wait for the part wasn't too bad. Look at the part in the accompanying photo. The weight has to be ounces so the only gripe I have is the outrageous shipping charge of well over $20.
Robert -
May 7, 2023
Verified Purchase
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Customer Repair Instructions ?
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.
Lower cable broke
billy - October 6, 2016
👍 5 of 7 people found this instruction helpful
Tool Type
Trimmer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver
Parts Used
Removed lower shaft
Removed trimmer head from lower shaft
Removed old cable
Removed old hub and cleaned up gears
Lube and reassembled
Removed trimmer head from lower shaft
Removed old cable
Removed old hub and cleaned up gears
Lube and reassembled
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Lower flexible drive on string trimmer broke.
Jeffrey - September 20, 2021
Tool Type
Trimmer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver, Power Drill, Socket set, Nutdriver, Adjustable Wrench
Parts Used
Disassembly is pretty easy, just some Phillips screws, a push button release, and a clamp, and the shaft just pulls out easy. There are a couple of helpful videos on YouTube to walk you through it, although I didn't need to do everything the video said to do, as far as disassembling the string head completely apart, not necessary for my particular model which is a Troybilt. Over all, it was just as easy as the upper flexible drive I did a few years ago on the same trimmer.
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lower drive shaft broke in two
Trudy - August 2, 2018
👍 1 of 2 people found this instruction helpful
Tool Type
Trimmer
Difficulty
Medium
Time
More than 2 hours
Tools Used
, Saw, snap-ring pliers, needle-nose pliers
Followed the directions on the video on your site for how to repair this. The only difficulty I had was getting the retainer ring off. It would not budge, so I had to take a hand saw and cut the plastic spool cover in two and then cut the retainer ring in two. I had replacement parts, but it was a battle to get to that stage. Once I got that off, I could replace the lower drive shaft and complete the repair as per the video.
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Square tip of lower drive shaft sheared off.
Doc - July 31, 2018
Tool Type
Trimmer
Difficulty
Medium
Time
15-30 minutes
Tools Used
Screwdriver
Parts Used
Removed lower and upper tubes. Ordered lower shaft. Replaced upper tube because I realized I didn't need to remove it. Inserted new shaft into lower tube, screwed it back on and replaced trimmer head.
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Broken lower drive shaft
Timothy - October 30, 2017
Tool Type
Trimmer
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Pliers, Wrench Set
Parts Used
Followed online tutorial
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Lower flexible shaft broke.
phil - August 9, 2017
Tool Type
Trimmer
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Adjustable Wrench
Parts Used
Removed the steel shaft from the trimmer head. Pulled the old shaft and installed the new part.
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Shaft worn
Gary - July 20, 2017
Tool Type
Trimmer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver
Parts Used
Took out the old, put in the new
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Replaced the lower drive cable.
Robert - June 10, 2017
Tool Type
Trimmer
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Wrench Set
Parts Used
Separated the shaft. Removed the old cable and installed the new.
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Flexible drive shaft broke on trimmer
Deborah - May 29, 2017
👍 2 of 4 people found this instruction helpful
Tool Type
Trimmer
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Wrench Set
Parts Used
1. Removed old drive shaft
2. Replaced with the new one; tighten set screw and nut. Done.
2. Replaced with the new one; tighten set screw and nut. Done.
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Lower flexible drive shaft sheared off at the head
James - September 21, 2016
👍 1 of 2 people found this instruction helpful
Tool Type
Trimmer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver, Socket set
Parts Used
1. Disassembled lower section of the shaft tubing.
2. Removed broken flexible drive shaft, also removing sheared off portion inserted into head.
3. Installed new flexible drive shaft.
4. Reassembled lower section of shaft tubing & checked for operation.
5. Repair took less than 15 minutes, trimmer works great again!
2. Removed broken flexible drive shaft, also removing sheared off portion inserted into head.
3. Installed new flexible drive shaft.
4. Reassembled lower section of shaft tubing & checked for operation.
5. Repair took less than 15 minutes, trimmer works great again!
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Our customer service team are at the ready daily to answer your part and product questions. We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
All our part reviews are solicited directly from other customers who have purchased this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
Based on data from past customer purchasing behaviors, these parts are most commonly purchased together along with the part you are viewing. These parts may be necessary or helpful to replace to complete your current repair.
All our installation videos are created and produced in collaboration with our in-house repair technician, Mark Sodja, who has helped millions of eReplacementParts customers over the last 13 years repair their products. Mark has years of experience in selling and repairing both commercial and residential products with a specialty in gas-powered equipment.
This data is collected from customers who submitted a repair instruction after replacing this exact part. Customers can rate how easy the repair was to complete and how long it took. We aggregate this data to provide a repair rating that allows customers to quickly determine the difficulty and time needed to perform their own repair.
