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Recent content by MFJohn

Yesterday's Tractor Forums
  1. M
    Expired

    Wanted Wanted

    Looking for two brake drums for Massey Harris, P/N 762080M1, used on models 201, 202, 203, 33,44,55,333,444,555 tractors.
  2. M

    Adapting a live pto hand clutch to Massey Harris 44

    I’ve done it. Swapping out the drum brakes with the disc brakes with live PTO requires: cutting a 2 5/16” hole (hole saw) for the brake linkage, minor grinding of the casting for the disc brake assembly to fit, and swapping out the pinion and differential ring gear set. A fairly major job, but...
  3. M

    My latest "what is it" acquisition.

    Stove pipe crimper
  4. M

    Vibrator coil

    Yes, I opened it up and disconnected the internal coil (shorted). The photo shows how it’s wired: +12 volts to the coil, coil to the vibrator relay, vibrator relay contact to ground. (Vibrator relay coil is connected in series with the normally closed relay contacts. Energized relay opens NC...
  5. M

    Vibrator coil

    See photos below.
  6. M

    Vibrator coil

    See below. It’s on a MH 33 Diesel with a 12 volt negative ground system.
  7. M

    Have you ever ran a Shaper?

    I restored a Logan shaper a while ago. As they say, a shaper can make anything, except a profit. It takes patience for most tasks, but it’s perfectly suited for machining slots and keyways.
  8. M

    Best knock off 23 degree tire

    13.6-28 is $372, 14.9-28 is $437. Cropmax 23 degree. These days, that’s a good price.
  9. M

    Best knock off 23 degree tire

    You don’t mention the size, but check out Miller Tire. They have some “generic” 23 degree tires that are half the price of a SAT.
  10. M

    Vibrator coil

    On. my Massey 33, I wired up the vibrator with a new ignition coil. I stll used the vibrating contacts. Works good, and only a Massey fanatic would know it wasn’t original.
  11. M

    Ferguson axle removal and seal repl

    Inner seal is replaceable without bearing or shrink collar removal. Outer seal requires removal of the shrink collar and both outer and inner tapered bearing components. A big job. Im halfway through the process at the moment. Youll need a 20 or 30 ton press and press plates to replace...
  12. M

    MW Dyno's

    I haven’t received your email yet.
  13. M

    MW Dyno's

    I used a 1500 psi pressure transducer and a speedometer cable sensor to feed a Dataq 1100 data acquisition module that has a USB output to interface with a laptop. Use the Dataq export function to get the data into an Excel spreadsheet. I start to record with the engine at full throttle, no...
  14. M

    PTO Dyno Chart

    I calibrated the electronics on the rebuilt M&W PTO dyno and plotted a chart for my Massey Ferguson 65 gas tractor. It has a rebuilt engine, so the horsepower readings are pretty good. It's also a cold day. I haven't corrected for temperature and barometric pressure. I think I have a...
  15. M

    Winter Project: Early Completion

    The maximum mechanical gauge reading is 1500 psi, which corresponds to 96 hp at 535 PTO rpm.
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