What bolts for the front hydraulic pump adapter plate to crankshaft on MF-50?

   / What bolts for the front hydraulic pump adapter plate to crankshaft on MF-50? #1  

dwildey

New member
Joined
Jan 23, 2025
Messages
3
Tractor
MF-50
Hello,

I'm adding a MF-101 Loader to my MF-50. I ordered the pulley below and my crank pulley has what appears to be three holes with 3/8" threads. What bolts are supposed to be used? The bushings in the pulley I ordered are much larger (probably 1/2"). I've looked for shoulder bolts or other bushings, but can't find anything to work.
Maybe I need a different crank pulley? IDK. Any feedback would be a appreciated.

Screenshot 2025-01-23 at 3.05.32 PM.png
 
   / What bolts for the front hydraulic pump adapter plate to crankshaft on MF-50? #2  
Hello,

I'm adding a MF-101 Loader to my MF-50. I ordered the pulley below and my crank pulley has what appears to be three holes with 3/8" threads. What bolts are supposed to be used? The bushings in the pulley I ordered are much larger (probably 1/2"). I've looked for shoulder bolts or other bushings, but can't find anything to work.
Maybe I need a different crank pulley? IDK. Any feedback would be a appreciated.

View attachment 2337293
I found this on Steiner Tractor Parts on page 622 part no.MFS3746 list price $68.76 Description front hydraulic pump adapter plate ( all using 3 boltfront pump drive ) ( 3/4"-10 UNC LH thread, 5.250" O.D., 3 bushings w/ mounting holes3.465" on center, 4" bolt circle ) The website is www.SteinerTractor.com Or You can call them at 1-800-234-3280 This part looks identical too yours. I hope this was helpful, & welcome to TBN. I do own a 1959 M-F 50 gasser IMHO they are great tractors.
 
   / What bolts for the front hydraulic pump adapter plate to crankshaft on MF-50?
  • Thread Starter
#3  
I found this on Steiner Tractor Parts on page 622 part no.MFS3746 list price $68.76 Description front hydraulic pump adapter plate ( all using 3 boltfront pump drive ) ( 3/4"-10 UNC LH thread, 5.250" O.D., 3 bushings w/ mounting holes3.465" on center, 4" bolt circle ) The website is www.SteinerTractor.com Or You can call them at 1-800-234-3280 This part looks identical too yours. I hope this was helpful, & welcome to TBN. I do own a 1959 M-F 50 gasser IMHO they are great tractors.
Thank you! I checked my crank and they are 3/8-16 UNC RH and it lines up, but bushings are 1/2" and bolts are 3/8".

I use to have a 9n and I love the M-50 with power steering. It's so much more of a tractor. Here's a pic of mine and the loader I'm adding.
 

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   / What bolts for the front hydraulic pump adapter plate to crankshaft on MF-50? #4  
Thank you! I checked my crank and they are 3/8-16 UNC RH and it lines up, but bushings are 1/2" and bolts are 3/8".

I use to have a 9n and I love the M-50 with power steering. It's so much more of a tractor. Here's a pic of mine and the loader I'm adding.
Very nice M-F 50 looks like You did allot of work to her. I'm hoping too do a respray on mine this year hard to do when your doing work with the tractor most of the time. Here is a picture of my 50 working with my newer 2018 M-F 1526, & dump truck. Sorry I couldn't help You.IMG_20201003_134009.jpg
 
   / What bolts for the front hydraulic pump adapter plate to crankshaft on MF-50?
  • Thread Starter
#5  
Just an update if anyone else needs help. I used Tee-Nuts from Tractor supply which worked perfectly to take the play out of bolt going through pulley spacers.
Screenshot 2025-02-24 at 5.32.16 AM.png
 
   / What bolts for the front hydraulic pump adapter plate to crankshaft on MF-50? #6  
Just an update if anyone else needs help. I used Tee-Nuts from Tractor supply which worked perfectly to take the play out of bolt going through pulley spacers.
View attachment 2796847
Thanks for the update it's good to hear You found what You were looking for; I go there pretty often, & would have never thought to look there.
 

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