This mandrel assembly is for lawn tractors.
Mandrel assembly attaches to the mower deck and spins the blades. The assembly may include multiple parts; refer to your parts diagram for a complete list of parts included.
Wear work gloves to protect your hands when installing this part.
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★★★★★
★★★★★
Easy fix. Correct part.
Fixed correctly
Guest - May 28, 2019
Verified Purchase
★★★★★
★★★★★
perfect fit for my mower
works as planned
Guest - August 8, 2019
Verified Purchase
★★★★★
★★★★★
quick swapout
exact fit on first try!!!!! no problems installing new part
Guest - August 25, 2019
Verified Purchase
★★★★★
★★★★★
Great Mandrel. just take off the old and bolt it on.
I have used these on 3 different occasions. When the old part wouldn't hold the blade or the bearings went bad. Great replacement every time
Michael - September 9, 2019
Verified Purchase
★★★★★
★★★★★
Tractor Mower Parts
Very seamless and easy website to order from.
Parts got delivered promptly and accurately.
I will definitely order from here again!
Guest - September 11, 2019
Verified Purchase
★★★★★
★★★★★
As described
Received the parts very quick. They were the correct part and install was easy. I will definitely source my future parts needs from ereplacementparts.
Guest - April 28, 2020
Verified Purchase
★★★★★
★★★★★
Great part!
I recently ordered a mandrel assembly from ereplacement parts to repair a defective bearing on my mower. Part fit correctly and was shipping safely and quickly.
Guest - May 2, 2020
Verified Purchase
★★★★★
★★★★★
Perfect match
Quick service and shipping good to go
Guest - May 18, 2020
Verified Purchase
★★★★★
★★★★★
Great service and quality parts.
Great =ƒæî service.
Guest - August 24, 2020
Verified Purchase
★★★★★
★★★★★
Husqvarna
The parts have been great. Fed Ex sucks they screwed up the delivery of both of my orders. The current order has not arrived yet
Guest - September 29, 2020
Verified Purchase
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Questions & Answers
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Took the deck off of the mower,removed the blade assembly, removed the mandrel cover, Removed the nut above the mandrel pulley, and removed the pulley. Removed the four bolts holding the mandrel to the deck. Removed the broken mandrel assembly. Placed the new mandrel in place, used the four self tapping bolts to attach the new mandrel. P
... Read morelaced the washer and the new mandrel pulley and secured them with the nut. Replaced the mandrel cover. Attached the blade assembly. Then installed the deck back on the mower. Make sure you take a picture of make a note how the belt was routed.
The parts I ordered were not overly expensive, arrived at my house quickly and were correct. The repair project was easier than I expected due to the good service from the parts vendor.
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Mandrel assembly breaks (it\'s supposed to) when irresistable force meets immovable object
Remove the drive belt and drop and remove the mower deck per owner\'s manual.
Use the 2x4 to wedge the affected blade and use the socket wrench to remove the blade.
Remove the four bolts holding the mandrel assembly to the mower deck.
Discard the broken mandrel assembly.
Install the replacement mandrel assembl
... Read morey using the four bolts.
Using the 2x4, replace the blade.
Install the mower deck onto the lawn tractor. Reinstall the drive belt. Done.
Do NOT try to repair the mandrel assembly. Components are pressed in. Buy the whole assembly. It\'s worth it. Especially at the price eReplacementParts charges. No one is cheaper.
.
received new mandrel and after trying to install the four screws/bolts that were shipped with it and having no success, I used a magnifying glass to check the holes in the mandrel. NO Threads!
I had to tap four holes with a 5/16 NC tap which took a while. Then everything worked perfectly.
Removes the old arm. Punched the old bearing out of the wheel. Installed the new bearing, tapping it in lightly with a small hammer. Reinstalled the new parts. Greased the reinstalled joints.
1. Removed the mower deck.
2. Unbolted the broken mandrel.
3. Removed the pulley.
4. Cleaned the part, found the part number.
5. Ordered the part from ereplacementpart.com
6. Waited 2 days.
7. Received the correct part and installed.
Completely satisfied. Thank you!
Took belt covers off both sides
Removed belt and cleaned area
Removed old mandrel,
Removed pulley
Removed blade
Replaced new mandrel
Reinstalled pulley
Returned blade to mandrel
Put belt back on
Put belt covers back
Put away tools
Returned to mowing
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Belt pulley spun on mandrel assy. shaft damaging both
Remove guard over mandrel assy.top of deck also discharge cover
Remove the 4 bolts holding mandrel assy. And remove assy. from bottom side of deck .
Remove blade from assy.
Install blade on new mandrel assy. and grease assy.
Install assy.to deck with 4 bolts removed from old assy.
Install new pully on mandre
... Read morel
Install belt on pully and reinstall covers check blade tightness
1. Removed mandrel cover.
2. Removed large nut on top to remove pulley.
3. Removed 4 bolts holding mandrel and dropped mandrel and blade through deck.
4.Install blade on new mandrel. New mandrel is not threaded where mounting bolts go. Best thing is to thread mounting holes with existing bolts before mounting mandrel to
... Read more the deck, easier than trying to thread them while holding it in place.
5. Install mandrel. Put pulley back on top, install large nut, make sure to hold blade from the bottom to get a good seat on large nut. Put belt back on.
6. Put cover on, put everything back in place.
7. Started mower. Everything works great!
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Broken welds on rear suspension pin mount requiring replacement of mower deck
Remove deck from lawn tractor, by pulling rear suspension pins,(if the mount and assembly not broken completely off as is mine.) Front suspension by removing retaining spring, and flange pins, remove belt, drag damaged mower from underneath tractor. It may be helpful to raise the front of tractor with a lawn tractor jack or other safe me
... Read morethod. Be sure to block rear tires and never lay under mower.
Install new mandrel assemblies with 4 new screws for each of the three mandrels. you cannot (I have not ever been able to) remove old mandrels without breaking at least 1 of the screws if not all. they are impossible to drill out so I went with new mandrel assemblies and new pulleys. Take care tighten the mandrel screws fully while not over tightening them. They thread into the mandrel and can easily be broken. (refer back to comment about broken screws being impossible to drill out.)
Remove left and right guards and deflector shield.
Now is a great time to replace blades and pulleys. If you didn\'t order new pulleys and blades, then remove them from the old deck and install on new mandrels. Carefully align blades and seat in star pattern and take care to ensure pulleys engage the teeth on top side tighten blade and pulleys.
Remove idler pulley idler arm, tension relief rod group as one assembly from old deck (left side)by removing the screw and nut and install on new deck.
Remove stationary idler pulley (right side) and install on new deck.
Remove left right and center baffles underside and install on new deck.
Install left and right guards and deflector shield on new deck.
Remove gauge wheels from old deck by removing spring retainer and pin noting the setting or height the gauge wheels are set and install on new deck.
Install belt on deck, drag deck back under tractor.
Install front suspension by aligning pin holes and install flange pins, then insert retainer spring on each side.
Push rear suspension pins into left and right suspension arms.
Install belt on pulleys and secure tensioner rod into latch. verify deck level front to back and side to side.
Ensure no tools or debris is under the deck, start tractor and engage mower blades listen for unusual noise and feel for vibration that might indicate blades out of balance or loose mandrel shut off immediately if noise or vibration is felt. check over work.
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Steering bushing worn, play in steering column. Mower cutting uneven, play in Blade mandrels.
Removed steering wheel, removed steering column and replaced plastic column bushing. Reinstalled column and steering wheel. Removed mowing deck from mower, Removed pulleys from mandrels, remove blades and mandrels from deck. 10 of 12 fasteners broke, so make sure to order new screws to attach new mandrels! Installed new mandrels with new
... Read morefasteners, install blades, pulleys, and belt. Grease new mandrels and reattach mowing deck to mower.
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Model Cross Reference
This part works with the following models:
ERP Number: ERP12116539
Manufacturer Part Number: 587820301
Lawn Mower
- Husqvarna Lawn Mower Model 289823 Parts
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Stock Status
This part is in stock in our warehouse and will ship out within 1 business day of the order being placed.
New stock is on the way! On order parts usually ship within 7 business days.
Item is not in stock and usually ships 10-15 business days from the time you place your order.
This item is no longer being made by the manufacturer, and cannot be added to your shopping cart.
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Mail-In Recycling Rebate
Some of the parts we sell are eligible for mail-in rebates since we can recycle them. We will display any applicable rebates in your shopping cart. To redeem your rebate, contact Customer Service after you have received your part.
_(2008-01)_WW_6.gif "Part Location Diagram of 587820301 Husqvarna Lawn Mower Mandrel Assembly")
_(2008-01)_WW_6.gif "Part Location Diagram of 587820301 Husqvarna Lawn Mower Mandrel Assembly")
