The early ZAs 1949 up until about mid 1951 (I believe I have the serial number break wrote in my parts book) were the ones as mentioned (back towards you is faster) the 1951-52 models were opposite (forward speeds up) one easy way to tell is if the 1/4" rod from the throttle is on the inside (to the right) of the steering support post then it is an early model-back is fast. If the rod is on the outside or left of the steering support post it is a later model and forward is fast. I have my dads 1950 model and I have a 1952 I restored in Vo-Tech. It gets confusing when you run them both in the same day lol.
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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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