Posted 9/30/2012 20:40 (#2616549 - in reply to #2613750) Subject: RE: using pto pump to supplement air seeder
South Africa
We run a PTO-driven pump for the fan motor. It's coupled into a T with a tap so we can run the auger off it too when filling. Down pressure is maintained by a big old accumulator that we got off an old tillage tool. This is on a JD 4955 tractor. Works well for us.