Massey 135 gasser vs 150 diesel

   / Massey 135 gasser vs 150 diesel #11  
The 150 is a better FEL tractor than the 135--if that makes any difference to you.
Parts for the diesel tend to be more expensive, especially the high pressure fuel injection pump. You need to check out both of these tractors carefully before buying.
There are two weep holes on the bottom of the clutch housing. There should be loose fitting cotter pins in these holes. However, sometimes these pins are missing and the hole is clogged with dirt. Bring a 1/16" twist drill with you to ream out the dirt. A few drops of fluid leakage from these holes is normal. More leakage could mean a bad rear main crankshaft seal or a bad transmission seal.

Also check out the two-stage clutch for proper performance. Sometimes it's difficult to get the pto clutch to engage on these old MF's. If you detect problems here I'd be careful since you might have to split the tractor to replace the clutch.

Neither of these tractors has true power steering--they have "power assisted steering" via a dinky hydraulic gizmo built into the steering column. So they are somewhat hard to steer.

Also check the feel of the clutch pedal. Some folks don't like that you have to press down nearly vertically--it feels awkward at first compared to other tractors.

Good luck.
 
   / Massey 135 gasser vs 150 diesel #12  
Flusher, where is the second weep hole?
 
   / Massey 135 gasser vs 150 diesel #13  

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