I don't think I'd call them particularly powerfull either. The main features of the 520A were it's fuel efficiency and low end torque. It did have good torque but it quickly ran out of steam at the top end. I always found it to be a very unsteady engine when it was pulling as well... but I will give it credit... it was easy on fuel. For the lighter work we often used it for it would run for days on a tank. The downside... it had no electrical system to speak of. It leaked oil from every orifice in it's entirty, it had a very poor steering system with an even worse turning radius and it had no brakes to speak of. That's before you get into the eccentricities of it's hydraulic system and the lack of draft control... or the poor PTO setup... or the extensive number of external linkages and levers that are required to keep everythign working. They're just a primitive beast that was poorly built at that. Poor casting quality, poor steel quality and poor design.
Yes, a person can get by with them and make them work but by the time you fix all of the things that need fixing on them and still have to deal with a red pig... you could just as well take your money and buy a decent Ford, Deere, IH, MF or just about anything else of that vintage and have a better tractor.
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Today's Featured Article - Listening to Your Tractor - by Curtis Von Fange. Years ago there was a TV show about a talking car. Unless you are from another planet, physically or otherwise, I don’t think our internal combustion buddies will talk and tell us their problems. But, on the other hand, there is a secret language that our mechanical companions readily do speak. It is an interesting form of communication that involves all the senses of the listener. In this series we are going to investigate and learn the basic rudimentary skills of understanding this lingo.
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