Massey Ferguson Model 31 mower

mcg

Member
I was cutting hay with my Model 31 sickle bar mower, and broke the bolt that attaches the knife assembly to the drive unit. The bolt goes into a tapered end, and attaches to the lever that moves the blade back and forth. I got the stub of the bolt out, but I need to know the size, so i can replace it. 7/16 is close, but not exact. The parts diagram I have doesn't give a number for the bolt. It just shows an "X". Any help is appreciated.
 
I hate to say it but your looking at about 100$ for the bolt. I broke mine a couple months ago and found one for 80 on ebay.The dealer wants 100 though. They're good mowers though I think its worth keeping them going. Storng Olivers
 

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