Our first real farm implement is a Massey Ferguson 135. It has a Z145 gasoline engine and likes to stop running after a while. It's a fuel related issue. I almost always have to stop what I'm doing when it stops running and bleed the fuel line. Then it runs for a while before doing it again. In the video, you can see in the fuel filter there are air bubbles and what looks like the fuel boiling. I'm thinking the issue I'm running into is there is just too much air trapped in the fuel filter. Eventually that pocket moves up and locks up the line. I've seen where I had fuel but it wasn't making it to the filter unless I let something loose. Then tightened back up the system and it ran again.
Like I said, it's a old turd and I love it. If I replaced a few parts would make it even better. A new front grill, a replaced or fixed throttle lever, some new gauges, a new fuel sender and fuel tank, a fixed up hydraulic system and fresh paint and she'd be right as rain.
The biggest trick with this tractor has been figuring out how to keep it running. I've learned a lot about the fuel system and how simple it is. The fuel tank is very rusty and probably clogged the carburetor at some point since the mechanic said he rebuilt the carb. The original owner or the mechanic that kept it running put an inline filter that thankfully catches most of the rust debris from the tank. I do have to make sure that I clean that filter regularly to keep it running. It also seems to have issues with leaking oil but I'll worry about that later.
Replacing or lining the current tank will help with the rust debris issue. I can then get rid of the inline filter system clearing my issue of what I think is line lock. Add a replacement fuel sender and plug it in and the fuel gauge should work fine.
Another issue I've run into is that the hydraulics don't seem to lift the brush hog quickly. I don't know if it's a pressure issue or an issue with the top cylinder. It will eventually lift the hog up but it takes a while. I'm thinking pump for the moment but rebuilding the cylinder couldn't hurt either. The pump is about $200 to $300 and is inside the chassis so that's a later on problem. I really only need the system to raise enough to keep the hog off the ground and it does that well enough. It might be good to just change the fluid out.
Eventually, I would like the 135 to be able to handle all our needs but right now, I just use it for brush hogging.
Stay tuned on how this old Massey Ferguson 135 gets along!
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