Obsolete SCAG Idler arm assembly #46145

[Rich9]

Hi all,
I need to replace a worn out idler arm for my 52" Scag walk behind SWZ-14KA built in 1990.
The hub portion has been damaged by letting the bronze bushing wear out very badly.
Problem is: The part needed is the 46145 but it is no longer available at Scag and they do not provide any alternate idler arm to use.
So I am sending this message to see if anyone may have this arm assembly to sell. Used or new.
Please let me know if you have this part on hand or know another source.
Any help will be greatly appreciated.

Thanks so much.

Richard

 

[StarTech]

Several online dealers doesn't show the part as NLA. And there is one on eBay but he wants your first born.

Have you tried Googling the part number as "Scag 46145"?

 

[slomo]

If all else fails, take it to a machine shop or local vo-tech welding/metal shop. A bushing should be easy to swap with correct tools.

 

[Rich9]

Several online dealers doesn't show the part as NLA. And there is one on eBay but he wants your first born.

Have you tried Googling the part number as "Scag 46145"?

That's the problem. The part shows up on many online stores as still alive but when you place the order they realize it is not available anymore from the manufacturer (Scag). But I appreciate the reply though.
Thanks
Richard

 

[Rich9]

If all else fails, take it to a machine shop or local vo-tech welding/metal shop. A bushing should be easy to swap with correct tools.

Hi slomo,
You mean to have a shop remove the existing hub and replace with a new hub? I thought of asking about reworking the old hub but did not consider replacing it. The hub is just a cylindrical steel tube with a grease entry halfway down the length. Of course the hub ID needs to be machined to receive the two bronze sleeves.
Good idea.
Thanks
Richard

 

[StarTech]

The last version of the arm did have bushings that could be replaced if machined properly. But since the hub is tacked welded it could be removed and replaced by a skill craftsman.

 

[7394]

Agreed, good machine shop..

 

[slomo]

Some local schools slash vo-techs will do the labor for free. You buy the parts. Worth a free phone call I bet.

 

[Rich9]

The last version of the arm did have bushings that could be replaced if machined properly. But since the hub is tacked welded it could be removed and replaced by a skill craftsman.

View attachment 70035

Hi StarTech,
This is what I got. See photos attached. I now see there is a steel sleeve in that hub. Then it must receive the two bronze bearings, correct? Those bronze pieces are easy to get but I have not seen the steel sleeve available out there. The picture on the right shows the area where the sleeve is worn out. I am not sure how a shop could replace the steel insert. I thank you for your reply.

 

[StarTech]

In the middle pix it appears that you have worn completely thru the bushing so it need removing and the bore may need slightly resized to recenter things as you want the new bushing(s) to be making full contact. It also may just be the way pix looks here.

Now there might enough the steel busing to get the PN number off it for the manufacture of the bushing. The problem there is if anyone sells a small quantity of them. This is the problem doing a lot repairs as locals just don't provide us the parts like they did years ago as today's techs are a lot lazier than but in my early years of working on things.

Now is two bronze bushings will work, they should or you could go with a full length one and just drill out the material where the zerk goes. Just be aware that bronze bushing will not last long as the steel one so you need to check on it more often and make you keep it greased.

As for the bushing sizing is one you would need do on your end as I have never had one these arms in my shop so I don't have the specs from one I have done. But you should be able get the bronze bushings from Grainger.