Behlen Power steering systems are not usually quite as good as a char lynn but my experience on this is that the reason for this two fold. First Reason - The Pump or lack there of. On the 450 they used a flow divider valve and the hydraulic pump. The other setup is a pump that drives off the distributor. Neither of these meet the volume requirments that it take to make a behlen work really well. On the 400/450 We have mounted late 60s early seventies all steel Ford power steering pump up under the left side and then if the generator is replaced with a nice 10DN or 10SI alternator one belt can be used to drive both off the water pump pulley. The pump is also completely concealed. This requires considerable fabrication skills to do but works really well. Do not try to use a GM power steerinhg pump from the same era. Not enough flow. A good Ford pump will make 1600 psi deadheaded and almost kill the tractor while idling. The other thing that happens in the Behlen is that they get wore and too much oil moves around the gear due to wear thus creating the need for more flow to compensate for this loss. This can fixed as well but requires some precise machining. What I have done and works the best is the Ford pump with a brand new Char Lynn motor. The Ford pump is better than the Eaton and produces amazing results with a new Char Lynn motor. It works just as good as the factory John Deere Systems of the same era. Got to hand it to JD on that one.
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Today's Featured Article - Tractor Profile: Oliver 70 Row Crop - by Staff. The Oliver 70 was part of the "Fleetline Series" and was manufacturered from 1937 to 1948. The row-crop configuration could have either dual or single front wheels. The Oliver 70 was also offered in the standard, orchard and industrial configurations. The tractors were sold in Canada. An early advertisement states "Power when you want it - power when you need it - power to help put in crops when field conditions are right and time and help are limited. That's the power you'll find in an Oliv
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