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About WK-40

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  • Birthday 12/07/1985

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  • Gender
  • Location
    Kirwee, New Zealand
  • Interests
    1935 WD-40 x2 1936 WK-40, 1953 TD-24

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  1. TD 24

    I just bought an earlier one (1953) last week, from an old fellow in our area who had owned it for 40+years. Inspect the track rollers, The bolts come loose, particularly if the bushings on the roller pins are worn, and the pins turn in the track frame and slog out the frame holes.Climb under and check the inside caps also.
  2. 1935 WD-40 S/N:779

    Thanks mate!!! They've certainly got a timeless style and feeling. Though I'm about half a century late, i still think ya can't beat working one hard in a field on a good day!
  3. 1935 WD-40 S/N:779

    Well, I've been pretty busy at work of late, but today I had a good chance to have a run at it. Partway through the morning, realised that since the motor was pulled apart in Wanaka some 30 years ago, it's missing the No.3 main cap. So I got one out of a spare motor (which was 20 odd blocks later or so), and the cap has a smaller internal diameter!!! So now have to look through our spares and go from there. I just don't understand how the main journal diameter can be smaller on a later block, which technically should accept the later brand new std main bearings we have, which suit a later crank!! Yet the early block does!
  4. case 585

    If it is an open station tractor pull the banjo fittings out of the bottom of both sides of the fuel tank, theyre probably blocked.
  5. MX170

    You'd be pretty unlucky for one of those controllers to fail but its not impossible. I'd have to check the manual tomorrow but i have a feeling theres some relays involved in that circuit under the RH console
  6. MX170

    I've seen that on the powershift shafts aswell, mainly the even speed shaft. Cracks right through the middle of the weld.In this instance, if the electrical circuit is fine, and hydraulically its fine, then the friction discs may have lost all their drive teeth
  7. MX170

    Just adding two cents worth, make sure someone is in the seat if testing for voltage at the forward solenoid connector with the key on or im pretty sure the operator presense circuit will give you a false reading of no voltage
  8. 1935 WD-40 S/N:779

    Thanks Sledgehammer! We're suckers for punishment down here but we've got a soft spot for these old Deerings. Have selected 4 suitable pistons out of the spares to use for the motor, but have been too busy at work to take whole lot to machinist. Boss bought a 6 Speed Special which has also kept me busy the last couple days
  9. 1935 WD-40 S/N:779

    For those wondering how I got the pistons out, Heated each piston up (not excessively) just enough to allow them to expand), and let them cool over night. then.... Quite a cool piston design. Two piece, with a threaded steel crown fasted with a nut through an alloy skirt. Whipped some sleeves out of a spare TD-35 block, Early TD35 sleeves are the same outer size as 40s, with a 1/4 inch smaller bore. These will be machined to accept the WD-40 pistons. Later TD-35s have a stepped sleeve which is narrower everywhere except where it locates, which, though I'm not certain, would be too thin for longevity.
  10. 1935 WD-40 S/N:779

    Fitted the new mains and unwrapped and test fitted the brand new, never been used crank today. Was uncertain about the thrust washer as there were a few changes in production according to the parts manual. New bearings are for a later vertical injection model, which suits the crank, however the block casting is slightly too thick, so will have to relieve the casting in this area to accomodate,
  11. 1935 WD-40 S/N:779

    G' day Mike!, It's certainly a fair old challenge and I appreciate the heads up about parts!! There are a couple bits I'll need if you had and were willing to sell, is your tractor a vertical injection model? Much appreciated Gareth
  12. 1935 WD-40 S/N:779

    Got stuck in and whipped the crank out of her, No shortage of steel in her
  13. Making a start on pieceing together one of the oldest known WD-40s in this part of the world. Will be a bit more ambitious than previous projects, Finished S/N:909 late last year which was restored some 20 years ago (i was 10) and then disassembled soon after to properly freshen the engine. Due to unforeseen circumstances it wasn't until last november it saw the light of day again, as a mate to the WK So, 779 in its current state... And the block, which has until recently been seized for a large number of years
  14. 5250 trans help

    Does the fault occur when using hydraulic services at low speeds while moving? if so the pump may be getting tired. Or does it occur when shifting between certain powershift speeds? as it could be pressure switches on powershift valve
  15. 5130 bearing parts in screen

    IH KIWI is right, there was a bulletin updating the pump drive gear/shaft bearings on these, especially the early MX's. Prior to the update, the pump drive bearings preload would work itself so tight that the bearings would hammer themselves to bits. The kit changes the circlip layout and bearings to include spacers to prevent this happening. Generally to diagnose, flicking an aux lever would produce a chattering/feedback noise through the driveline. Though this can also be caused by a blocked orifice at the base of the aux valve stack, the bearing cage suggests the pump drive