Medium
30-60 minutes
This part is sold individually. The blade fan attaches to the input pulley. A socket set might be helpful during the installation of this part. This item is made out of plastic and will need to be replaced if it breaks. It is an authentic part from MTD, Yard Man, and Troy-Bilt for use in lawn tractor.
Fan-hydro Lt 731-06098
OEM part for: MTD, Yard Man
Part Number: 731-06098
$19.61
In Stock
Ships within 1 business day 
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Compatibility
This Fan-hydro Lt will fit the following 367 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
This item works with the following types of products:
- Lawn Tractor Parts
Customer Part Reviews ?
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Right parts right price
Got the correct part on the day they said it would arrive. I’ve ordered in the past and will be ordering in the future. I recommend using ereplacementparts.
BRIAN -
June 16, 2023
Verified Purchase
Fit great
The parts arrived quickly. Everything went together well and mower is now running again.
Guest -
June 8, 2023
Verified Purchase
Cub fan
Fan arrived as expected. Seems to be as ordeted BUT HAVE NOT INSTALLED YET.
Jim -
August 10, 2022
Verified Purchase
Parts were easily located. Great response, and fast shiping
Parts diagram good be little better, some parts I needed weren't shown. Overall parts, customer services, and shipping was great. Will use again..
Rocky -
July 11, 2022
Verified Purchase
Always great service, and quick delivery!!
I always know that parts will be available, fast, from these people. I've never been disappointed with the service or quality.
Guest -
November 22, 2019
Verified Purchase
Exactly what I ordered.
I will continue to do business with you.
Guest -
May 17, 2019
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.
A stick forced the drive belt off which broke the fan
John - April 24, 2019
👍 1 of 1 people found this instruction helpful
Tool Type
Lawn Tractor
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, Socket set, Wrench Set, Nutdriver, Impact wrench
1. Removed mower deck, battery and battery box
2. Lifted front end of mower with mower jack.
3. Used impact wrench to loosen blade clutch bolt.
4. Unplugged clutch and lowered clutch after removing clutch bolt. Collect washers separating clutch from drive pulley.
5. Used screwdriver to slide down drive pulley and remove belt.
6. Used impact wrench to remove nut holding fan base and transmission drive pulley. (Note: to keep pulley from spinning I cut the old belt and fed one end around the pulley until it started wrapping under itself which bound up the pulley).
7. Route the new belt from front to back, lift transmission pulley and wrap new belt around it pushing it back into place so metal ears keep it from slipping off.
8. Route belt around idler pulleys, work belt onto Drive pulley and push it up into housing like I did on the rear pulley. Pull the spring loaded idler pulley to position the belt that is now under tension.
9. Replace the washers separating the pulley and clutch and slide on clutch with key way in slot. Hold in place while replacing the bolt. Tighten the bolt with impact wrench.
10. Reconnect clutch power cable.
11. Install fan, replace nut and tighten nut with impact wrench.
12. Reinstall battery box, battery and mower deck.
13. Double check to make sure you or I forgot anything.
2. Lifted front end of mower with mower jack.
3. Used impact wrench to loosen blade clutch bolt.
4. Unplugged clutch and lowered clutch after removing clutch bolt. Collect washers separating clutch from drive pulley.
5. Used screwdriver to slide down drive pulley and remove belt.
6. Used impact wrench to remove nut holding fan base and transmission drive pulley. (Note: to keep pulley from spinning I cut the old belt and fed one end around the pulley until it started wrapping under itself which bound up the pulley).
7. Route the new belt from front to back, lift transmission pulley and wrap new belt around it pushing it back into place so metal ears keep it from slipping off.
8. Route belt around idler pulleys, work belt onto Drive pulley and push it up into housing like I did on the rear pulley. Pull the spring loaded idler pulley to position the belt that is now under tension.
9. Replace the washers separating the pulley and clutch and slide on clutch with key way in slot. Hold in place while replacing the bolt. Tighten the bolt with impact wrench.
10. Reconnect clutch power cable.
11. Install fan, replace nut and tighten nut with impact wrench.
12. Reinstall battery box, battery and mower deck.
13. Double check to make sure you or I forgot anything.
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Fan broken on transmission
Peter - July 3, 2016
👍 2 of 3 people found this instruction helpful
Tool Type
Lawn Tractor
Difficulty
Medium
Time
30-60 minutes
Tools Used
Socket set
Parts Used
Remove the the jamlock nut and the external lock washer. Then remove the broken fan, and clean all of the pieces of the fan from around the area. Install the new fan washer and nut.
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The belt came off the rear pulley and took the fan out
Eugene - December 8, 2022
Tool Type
Lawn Tractor
Difficulty
Easy
Time
30-60 minutes
Tools Used
Socket set, Wrench Set
Parts Used
Took the battery and battery case out.
Took nut holding the fan and pulley on the rear end off.
Had to pull the drive belt back on the pulley.
Then reinstalled the wire washer on top of pulley then the fan unit with large washer and nut on the shaft and tightened.
Then reinstalled battery case and battery.
It took over one month to get the part and 10 days in transit with the usps for delivery.
Took nut holding the fan and pulley on the rear end off.
Had to pull the drive belt back on the pulley.
Then reinstalled the wire washer on top of pulley then the fan unit with large washer and nut on the shaft and tightened.
Then reinstalled battery case and battery.
It took over one month to get the part and 10 days in transit with the usps for delivery.
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Cooling fan was broken on top of rear trans axel.
Donald - June 17, 2020
Tool Type
Lawn Tractor
Difficulty
Medium
Time
30-60 minutes
Tools Used
Socket set, Impact gun 3/8th. drive
Parts Used
Removed the battery from under the seat, then removed the battery box, positioned the pos. and neg. battery cables out of the way, then removed the nut and washer that held fan to belt pulley and removed the base of fan and reinstalled new fan put washer and nut back on and tightened down belt/pulley/fan and washer and nut, reinstalled belt on pulley and motor routed battery cables, installed battery box and battery then started and drove it around to make sure it was working correctly
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Fan destroyed by stick
Hugh - April 15, 2020
Tool Type
Lawn Tractor
Difficulty
Medium
Time
15-30 minutes
Tools Used
Socket set, Nutdriver, Adjustable Wrench, Breaker bar / 3/4 socket extension long/ vice scripts
Parts Used
1. Remove battery. 2. Remove battery holder box 3. Find nut and washer for the fan in the middle of the pulley. Spray with rust release let it set a few minutes. 4. Use a pair of vice scripts on the inside of the pulley a large pair will hit the frame rail to keep pulley locked in place use a socket and a large extension with a breaker bar to loosen bolt and washer that fits fan 5. Place washer in the slots on the fan and put it over the pulley and screw the nut on and then tighten it down. Replace battery box and battery .
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Bent pulley drive belt ate thru hydro fan
Luann - July 25, 2018
Tool Type
Lawn Tractor
Difficulty
Medium
Time
30-60 minutes
Tools Used
Socket set, Wrench Set, Vise grips
I am A women so it was a little difficult with the fan had to use vice grips on bottom nut and socket wrench on top.. Used impact wrench on pulley much easier..
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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.
