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o121937

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    Christchurch, New Zealand
  • Interests
    Vintage Farm Machinery, Model Engineering, Sailing

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  1. It seems that it was a bit of a lottery whether the tractor had the plain A symbol or the A Cultivision symbol.
  2. The difference in engines was the pistons, the piston pin was in different distances from the top of the piston to give the different compression ratios. The cylinder head was the same for all three fuels. Different manifolds and carburetors and the kerosene/distillate tractors had shutters and temperature gauges though these were an option on gasoline tractors. Today only high compression piston/sleeve sets seem to be available, so I do not think that my Super A would run well on kerosene and I would not do it either as now kerosene is about 4 times the price of petrol (gasoline) rather than 1/3 the pricewhen the tractor came to NZ in 1948.
  3. Here you can see the cap for the starting tank
  4. The hood is for a Farmall A which had a starting tank, i.e. a kerosene or distillate engine
  5. Silver coloured canvas on top of about 5/8 inch of padding. The Silver replaced the original black canvas about mid 1949. I had my 1948 a Super A and 1941 W-4 seats covered with black marine quality vinyl which had a canvas texture. Looks like original but waterproof. You have to carefully lift the edges to enable the upholsterer to get the canvas e=in then close up the gap to lock it in place. After the upholsterer had finished just a slight paint touch-up and all is fine
  6. If you run it on gasoline it will be fine, the kerosene engines had a lower compression ratio but the gasoline of the day was about 60 octane.
  7. It will be identical to that on a Farmall H as they both have the same engine
  8. The difference for kerosene, distillate or gasoline was the head, the rest of the engine was the same. Different cold manifold for gasoline which did not have the heat shield or the starter tank and the carburetor had a drain **** and different jets. The kerosene/distillate engines also had a radiator shutter.
  9. Your biggest protection is distance and in this case the depth (40+km) provides extra distance. The only time distance did not help was Mexico City in 1985 (about 470km from epicentre) but then Mexico City ground is like the proverbial "bowl of jelly" and picked up the long period motions which attenuate much more slowly with distance.
  10. My father had a British Army long barrel .303 "snipers rifle", he was in the NZ rifle team at the commonwealth championship in Australia in 1938, served in Home Guard in 1940s, as a farmer exempt call-up
  11. There was a T-4, a T-5 and TD-5 but NO TD-4!! From the photographs one cannot determine what it is.
  12. I agree that the first comment was about the Farmall Cub, but the 154 PTO still turns the same way even though belt driven and the speed can be different, via pulley size adjustments, but the concept that it was to power Cub sized implements doesn't change.
  13. The PTO was never considered as a "standard" (i.e. ASAE standard) tractor PTO but was designed to run Cub only implements. The tractor does not have enough power to run conventional farm PTO machines. The shaft is directly connected to gear-box input shaft, so not being driven by a countershaft turns the wrong way, and at much higher speed than 540 rpm. It was conceived as power for the Cub 22 mounted mower etc. The PTO shaft has also non-standard diameter and splines to preclude someone trying to attach standard PTO implements to it. With respect to PTO speeds, other tractor makes did similar things, the Ferguson TEA20 PTO only runs at 540 rpm IF (and ONLY IF) you run the engine at 1500 rpm. The International Harvester O-12 has to limit the 2000 rpm engine to 1400 rpm (they made a special clip to fit on governor control lever sector to limit throttle setting) if you wanted 540 rpm at the PTO.
  14. Hi Mike, Denniston is really worth the trip. The current displays up there are well worth the effort and drive.
  15. Whitworth invented the first "standard" thread in 1841. Up to then every thread was different, depending on who made it and replacement bolts, screws etc. (such as on antique pistols) had to be made to fit the thread in the hole.
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