I worked at durability testing those 30 series and I don't remember tearing them up. Full load, night and day for 600 hour runs. Clamped the axels into big gearup boxes running generators, piped fuel and coolant to them, full load in each gear loaded down to rated rpm, with hp and fuel curves run before and after each run. Could you share what all went wrong? I had heard the 820-830 models tore up PTO systems running irragation pumps. PTO tests were not in my area. The slickest thing was to "tartup" the two cylinder tractors all the while across town in several "secret" locations they were busy designing and testing the new four cylinder series. Finally got the ergonomic steering wheel angle right, wanted a fresher look, applied big yellow areas, rounded a few corners...all to make it look like they were going onward/upward with the two cylinders! It worked. One of the best run companies in the world IMHO. Leo
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Today's Featured Article - Hydraulics - Cylinder Anatomy - by Curtis von Fange. Let�s make one more addition to our series on hydraulics. I�ve noticed a few questions in the comment section that could pertain to hydraulic cylinders so I thought we could take a short look at this real workhorse of the circuit. Cylinders are the reason for the hydraulic circuit. They take the fluid power delivered from the pump and magically change it into mechanical power. There are many types of cylinders that one might run across on a farm scenario. Each one could take a chapter in
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