300 IH carbs are designed with a load screw. If yours is missing, that is the reason it is rich. The front bottom of the carb should have a forward pointing "boss" with a screw and spring and packing nut. (see diagram at caisih.com parts) below it on the same boss is a square headed drain plug. If there is no needle it needs one. Jim
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Today's Featured Article - Tractor Traction - by Chris Pratt. Our first bout with traction problems came when cultivatin with our Massey-Harris Pony. Up till then, this tractor had been running a corn grinder and pulling a trailer. It had new unfilled rear tires and no wheel weights. The garden was already sprouting when we hooked up the mid-mount shovel cultivators to the Pony. The seed bed was soft enough that the rear end would spin and slowly work its way to the downhill side of the gardens slight incline. From this, we learned our lesson sinc
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