Size of nuts on SB200 blower/fan?

   / Size of nuts on SB200 blower/fan? #1  

Spudgunner

Gold Member
Joined
Sep 17, 2003
Messages
383
Location
Central Idaho Mtns
Tractor
Kubota BX-23 & Toolcat 5600 D
The SB200 (and 240, I think) have 5 studs/nuts on the fan plus one humongous castle nut. Apparently, one of the 5 smaller nuts on my blower decided to leave for Yuma today while I was out doing snow removal. I need to replace it and I need to know what size this nut is. Anybody know?

I called the local BC dealer but they said that all they had was a part number. WTH? They said, "Bobcat doesn't give us that info so that we have to order all stuff from them."

Bad Bobcat! Bad!

In any event, if anybody knows offhand, I'd appreciate the spec. for the nut.

Thanks!
 
   / Size of nuts on SB200 blower/fan? #2  
Spudgunner,

We lost two of them off one blower in the last week or so. I got extras from the parts store. I will try and get you the size as soon as I get a chance. I have a bunch of last minute/panicked one shots to do this morning.
 
   / Size of nuts on SB200 blower/fan? #3  
Spudgunner,

The nut is 13/16ths and is tapered like a lug nut. I stupidly ran into the shop to check it for you and didn't look at the threads. Sorry...
 
   / Size of nuts on SB200 blower/fan? #4  
I stopped at Napa and all they had that would fit was a 1/2 " fine nylock, the bobcat ones are special, put one on to protect threads and bought a spare
 
   / Size of nuts on SB200 blower/fan? #5  
I stopped at Napa and all they had that would fit was a 1/2 " fine nylock,
I know 1/2" standard thread pitch is 13 TPI.
Fine thread or UNF is 20 TPI.

And you are saying snow and rock are loosening fine threaded lock nuts?

Ouch!

It's amazing what comes loose where you can't see.
 

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