The stock cam gear is not heavy enough , like others have said . Ya need to step up to the 450 cam gear . Also check how much pressure your putting out , You should be around 1250 and not above like 1450 , these old systems were not really that high in pressure and they do not operate some of the newer implements of today that run higher pressure on smaller cylinder dia. If you are finding it hard to lift some things with the factory mounted cylinder don't try jacking up the pressures to do this as you end up trashing out the gear . If it won't lift with a two inch cylinder then go with a three if three don't get the job done then go to four , yep it will be a slower lift because your old pump may not be putting out the GPM's that it did when new . and at best 12 GPM's is new spec. on like a 400-450 and around 10 on 300 and 350.
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Today's Featured Article - Farming Never Left My Blood - by Stan Gordon. I was born in 1947 youngest of ten of a working farm. Our farm was located in Saskatchewan near Saskatoon. We had a mixed farm consisting of grain and dairy all done with old machinery and by hand. My dad had a tractor, a Farmall A which was used mostly to run the thrashing machine, a seed drill and for plowing. I remember locals used to help each other and threshing was done from daylight to after dark, one farm to another until all farms were done.
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