Hi decjr2006,
There are numerous brand name Torch heads & gauges on the market, it really depends upon what you are going to be cutting and how often. You mention that you are currently about to torch apart some farm implements? If you foresee yourself doing that often then you probably want to get yourself a "Better" set-up. Theres always Good, Better & Best. A couple things you may want to consider: First of all You can use LP Gas instead of acetelyne, it doesnt burn quite as hot but it's still very effective and much cheaper to buy. There was a fire at one of the main acetelyne production plant a couple years ago, and ever since then the cost of it has gone up and it's actually can be somewhat difficult to get right now.
It's a good idea to get a big enough hose & long enough, and a slightly longer torch handle is a good thing when cutting heavy iron, it helps keep you farther away from the extreme heat, and it's easier on your back. The other consideration will be what size and type of tip you use. Your local welding / torching company can guide you with proper tips.
truly,
scott B.
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