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Richard55 08-24-2012 10:13:55 64.71.212.153 Report to Moderator	I want to order a new hydraulic pump from avliene machine. my problem is they can not tell me if a 4020 pump will fit on a 4010. i already have the relief line on my tractor.They all show a 7/8 outlet but do not tell the inlet size on all of them.I want the 3.0 cubic inch pump but do not know which one to order.they show two differrent pumps for the 4020 but for some reason can not tell me the difference. can any one help me get the right pump. [Reply]   [No Email]
Tx Jim 08-24-2012 14:38:02 67.142.163.20 Report to Moderator	Re: 4010 hydraulic pump in reply to Pete76NY, 08-24-2012 10:13:55   This is the new replacement hyd pump in the 4010 parts catalog. It's the same as a late model 4020 SN >201,000. AR94660 PUMP,HYD PISTON,50CM3 G PORT MD GA1 ADD 2,400.00 USD I personally think I'd send my hyd pump to Tim S in Somerset Ohio and let him rebuild it or at least state it was SCRAPE. This post was edited by Tx Jim at 14:41:27 08/24/12. [Reply]  [No Email]
Richard55 08-24-2012 13:25:03 20.132.68.146 Report to Moderator	Re: 4010 hydraulic pump in reply to Richard55, 08-24-2012 10:13:55   The pump that is on the tractor now has already been rebuilt.i bought this tractor a couple of years agor and have been replacing parts on and off ever since. the tractor had a rough life.I did not check the pump pressure before i took it off because i had the front end off replacing all bushins and pins. even the front end had to be replaced because the front pin hole was about twice the size it should have been. then i decided to put new seals in the steering motor,and put new seal and wear ring on the crank while i had it tore down that far.the hydraulic pump turns very easy by hand and i just figured i would replace it also.i want a new pump and not a rebuilt one.The pump might still be good but since i replaced the transmission pump and have it tore down this far i might as well replace the main pump too.Do all the main pumps have the same bolt pattern and same physical size and just have different inlet and return ports or what?I want to put a 4020 pump on it. [Reply]  [No Email]
Tx Jim 08-24-2012 11:43:19 67.142.163.20 Report to Moderator	Re: 4010 hydraulic pump in reply to Sam Vastano, 08-24-2012 10:13:55   What's wrong with your tractors hyd pump?? Worn out piston bores,cracked housing or something else?? [Reply]  [No Email]
Tim S 08-24-2012 11:16:25 75.60.206.128 Report to Moderator	Re: 4010 hydraulic pump in reply to Richard55, 08-24-2012 10:13:55   You will be fine going with the early model 4020 3inch pump [Reply]  [No Email]