Massey 135 engine mystery

   / Massey 135 engine mystery #1  

okiecraig

Bronze Member
Joined
Oct 14, 2005
Messages
90
Location
Creek County, OKlahoma
Tractor
1972 MF 135 diesel, Kubota L3940
OK, guys, help me out for i get killed! Was mowing today with Massey 135 (40 Hp Perkins diesel) when the throttle suddenly increased and would not respond. I threw in the clutch, took it out of gear, jumped off and manually decreased the throttle to idle. I waited to see what would happen and sure enough, after 5-7 seconds, it started increasing again on its own.

I am mystified. Have had this wonderful old tractor for 8 years and never had a lick of trouble.

Ideas???


Thanks...
 
   / Massey 135 engine mystery #2  
I think you would be better served if you posted this in the Massey Vintage Forum
 
   / Massey 135 engine mystery #4  
   / Massey 135 engine mystery #5  
It's been a long time, but if I'm remembering correctly, your injector pump has an internal governor. I think that is going to be your problem.
You'll just need to get it to someone that can rebuild the pump.
 

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