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  1. Case / Farmall - International Harvester
    The 420b I bought had no oil pressure guage. I purchased a repair manual and it looks like the tap is on left side of motor. This tractor has 2 1/4" plugs on that side. If the back one is oil pressure, what is the front one?
  2. Repair & Technical Discussion
    Hello everyone. I bought an old Fiat 640, I’m rebuilding the electrical system, but I cannot find the oil pressure switch that turns the red light on and off on the dash, does anyone know where it is located?
  3. Repair & Technical Discussion
    1960's Massey Ferguson 35 gas tractor used primarily for mowing/bush hogging four acres 1. Last time I mowed, my oil pressure started off at 40 psi and as it warmed up, it started dropping. I figure it should stop dropping around 15-20 psi, but it dropped all the way to 5 psi, so I shut it down...
1-3 of 3 Results