MF 135 won't stay running under a load

SteveG1 · Feb 16, 2014

Hello, I'm new member to the forum but visited numerous times as there is plenty of good information here. I keep coming back for information so I thought it was time to join.

I have a 1970 Massey Ferguson 135 with a gas engine and Zenith carbeurator. I bought it about six years ago and other than replacing some hyrdraulic hoses and an auxillary hydraulic pump I haven't had any problems; well, until now. We had a bit of snow last week and I was out plowing when the tractor tried to die. I found I could keep it running by pulling out the choke; but with reduced power. After a while, even that didn't work well. It would idle fine and would start to die as soon as I put it under a load. I also found that if I put the choke in fast, it will try to die. If I put it in slowly, it will idle just fine.

I thought there might be some water in the gas, so on the adivce of a mechanic I put Dry Gas in the fuel tank, which did not help. I also tried putting some carbeurator cleaner in the fuel and also sprayed some clener in the air intake. I also drained the carbeurator bowl. Nothing seems to be working. Any ideas on what I should try next? I'm not a mechanic, but am trying to learn to be on my own equipment. Thanks.

murphy1244 · Feb 16, 2014

SteveG1 said:
Hello, I'm new member to the forum but visited numerous times as there is plenty of good information here. I keep coming back for information so I thought it was time to join.

I have a 1970 Massey Ferguson 135 with a gas engine and Zenith carbeurator. I bought it about six years ago and other than replacing some hyrdraulic hoses and an auxillary hydraulic pump I haven't had any problems; well, until now. We had a bit of snow last week and I was out plowing when the tractor tried to die. I found I could keep it running by pulling out the choke; but with reduced power. After a while, even that didn't work well. It would idle fine and would start to die as soon as I put it under a load. I also found that if I put the choke in fast, it will try to die. If I put it in slowly, it will idle just fine.

I thought there might be some water in the gas, so on the adivce of a mechanic I put Dry Gas in the fuel tank, which did not help. I also tried putting some carbeurator cleaner in the fuel and also sprayed some clener in the air intake. I also drained the carbeurator bowl. Nothing seems to be working. Any ideas on what I should try next? I'm not a mechanic, but am trying to learn to be on my own equipment. Thanks.

Disconnect the gas line at the tank to see flow. I think its clogged inside.

SteveG1 · Feb 17, 2014

Murph,

You were correct. Not enough gas was getting to the carbeurator. There was quite a bit of junk that came out of the shutoff valve area. Things are working well now. Thanks for the tip.

Steve

murphy1244 · Feb 17, 2014

Good to go! Good job!

ciubi75 · Feb 21, 2014

Am cumparat recent un MF 165 mai vechi dar functioneaza bine si vreau sa-i fac schimbul de ulei in transmisie ( transmisia si hidraulica la un loc), cutia este in 3 trepte plus retur si vreau sa-i schimb si filtrul de ulei dar nu stiu unde sa desfac ca sa-l scot, Ma poate ajuta cineva?

The kid · Feb 21, 2014

ciubi75 said:
Am cumparat recent un MF 165 mai vechi dar functioneaza bine si vreau sa-i fac schimbul de ulei in transmisie ( transmisia si hidraulica la un loc), cutia este in 3 trepte plus retur si vreau sa-i schimb si filtrul de ulei dar nu stiu unde sa desfac ca sa-l scot, Ma poate ajuta cineva?

TRANSLATED: I recently bought a 165 mf older but works well and I want to make him change the oil in transmission (transmission and hydraulics together), plus the box is in 3 steps back and I want to change her oil and filter but not know where to undo to get it out can someone help me?