Medium
1-2 hours
This part is an authentic item that is supplied by the original manufacturer for use with Toro lawn mowers. The transmission rotates the axle to drive the wheels and move the mower forward. The drive cable pushes the transmission forward to engage the drive belt and spin the transmission pulley when you pull the drive lever up on the mower handle. Replace the transmission if it\\\'s locked up or won\\\'t drive the wheels when engaged. This assembly is sold individually. The tools that you will need to replace the transmission are a socket wrench, snap ring pliers, and a wrench.
Transmission 137-4823
OEM part for: Toro
Part Number: 137-4823
$99.09
In Stock
Order within the next 4 hours and your part ships today! 
Jump To:
Frequently Purchased Together ?
Compatibility
This Transmission will fit the following 64 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
Displaying 20 of 64 matching models.
64 total model matches. Try the above search to narrow your results.
This is the official OEM part for the following brands:
- Toro
This item works with the following types of products:
- Lawn Mower
This part replaces obsolete part #: 121-9180, 115-1992
Questions & Answers ?
Our customer Service team is at the ready daily to answer your part and product questions.
Ask our Team
We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
Does this fit my product?Questions & Answers for Transmission
No questions have been asked yet
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.
Lawn mower self propelling stopped working
Michel - May 8, 2023
Tool Type
Lawn Mower
Difficulty
Medium
Time
More than 2 hours
Tools Used
Screwdriver, Socket set, Wrench Set
Parts Used
Removed the old transmission and installed the new one with the new belt. Adjusted the tension of the pull cable.
Did you find this story helpful?
Thanks for voting and helping fellow customers!
lawn mover wheel got stuck with a wire and broke a wheel and the gear on the transmission
oscar - October 24, 2020
Tool Type
Lawn Mower
Difficulty
Easy
Time
30-60 minutes
Tools Used
Screwdriver, Power Drill, Socket set
job complete and running like a new lawn mover. Thanks
Did you find this story helpful?
Thanks for voting and helping fellow customers!
OEM stands for Original Equipment Manufacturer and means the part you’re buying is sourced directly from the manufacturer who made your product. At eReplacementParts, we sell only genuine OEM parts, guaranteeing the part you’re purchasing is of better design and of higher quality than aftermarket parts.
Learn MoreOur product descriptions are a combination of data sourced directly from the manufacturers who made your product as well as content researched and curated by our content & customer service teams. This content is edited and reviewed internally before being made public to customers.
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.
