3020 Hyd flow rate

Max flow rate from supply pump (located inside transmission) on 2030 is only 6 gallons per minute so that's the maximum sustained flow it can get from remotes with an oil return direct to the transmission casing or via the remote return. HOWEVER main pump can deliver 11 gallons per minute and if you take the supply from a remote and direct the return oil into the base of the hydraulic oil filter it is returned directly into the main pump cicuit and you can sustain 11 gallons per minute indefinetly. There is a filter base with a connection point that is intended for this. The tractor manual for teh 2030 points out that this is the way you should do it to run hydraulic motors. I know this because I dismantled our 2030 twice looking for a non-existent fault before I read the manual. (there were reasons why we suspected it might be faulty - i.e. 1/8 inch of metal worn off both brake expanders and distributed into tramsmission oil as filings - without damage to anything)

I have no idea if the 20 series has the same hydraulic arrangement or not but, if so, it is important to connect it right to get the maximum potential flow, for the reason above.