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Help identifying tractor


 
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Ajwash
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PostPosted: Sun May 01, 2016 7:09 pm    Post subject: Help identifying tractor Reply to specific post Reply with quote

So i just picked up a ford industrial loader backhoe. person i got it from said it was a 1963 ford 4000. after doing some research i am getting conflicting info. code on the gas engine near the starter is 40303S and the serial # is 137289. any help would be helpful. i need to replace the hydraulic pump and it is already an after market with little info on it. Thank you in advance!
 
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markct
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PostPosted: Sun May 01, 2016 7:41 pm    Post subject: Re: Help identifying tractor Reply to specific post Reply with quote

Main tractor hydraulic pump or the front
mount loader pump?
 
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Kirk-NJ
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PostPosted: Mon May 02, 2016 12:24 am    Post subject: Re: Help identifying tractor Reply to specific post Reply with quote

Your tractor is a 1961 light industrial. Originally would have been red and buff color. Also equipped with a, from the
factory, sherman Trans. As Mark said, what pump are you looking for?
 
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souNdguy
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PostPosted: Mon May 02, 2016 5:43 am    Post subject: Re: Help identifying tractor Reply to specific post Reply with quote

ps, that code and sn is not on the engine.. it's on the trans bellhousing.
 
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Ajwash
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PostPosted: Mon May 02, 2016 9:10 am    Post subject: Re: Help identifying tractor Reply to specific post Reply with quote

Thanks for the quick response, the front hydraulic pump is what is no good.I am also not familiar with this tractor, is there another pump somewhere??
 
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souNdguy
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PostPosted: Mon May 02, 2016 10:03 am    Post subject: Re: Help identifying tractor Reply to specific post Reply with quote

right side, rear of engine would be the other pump.
 
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markct
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PostPosted: Mon May 02, 2016 12:34 pm    Post subject: Re: Help identifying tractor Reply to specific post Reply with quote

Are you sure pump is bad, often the
drives wear out and strip. Also possible
that the suction filter is plugged have
seen that happen. Or relief valve failed
 
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Ajwash
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PostPosted: Tue May 03, 2016 10:50 am    Post subject: Re: Help identifying tractor Reply to specific post Reply with quote

Yes the pump is shot, has a crack right through the center section. It's a Cessna pump mounted to the front. I am trying to find a replacement but am haveing a hard time matching up numbers, any suggestion on where I might find one? Haven't had a chance to look local yet
 
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souNdguy
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PostPosted: Tue May 03, 2016 12:11 pm    Post subject: Re: Help identifying tractor Reply to specific post Reply with quote

if it's just a stinger pump.. just find one that will fit with similar flow characteristics.
 
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Destroked 450
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PostPosted: Tue May 03, 2016 1:27 pm    Post subject: Re: Help identifying tractor Reply to specific post Reply with quote

Ajwash wrote:
(quoted from post at 11:50:31 05/03/16) Yes the pump is shot, has a crack right through the center section. It's a Cessna pump mounted to the front. I am trying to find a replacement but am haveing a hard time matching up numbers, any suggestion on where I might find one? Haven't had a chance to look local yet


Take it to a hydraulic supply company like Parker Store, Cessna pumps were used on lots of equipment, backhoes, high lifts, dozers, trucks with dumps and spreader beds. They should be able to size it for gpm's or match it up with another brand to fit your tractor.
 
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Ajwash
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PostPosted: Sun May 08, 2016 4:33 pm    Post subject: Re: Help identifying tractor Reply to specific post Reply with quote

another newbie question.... I changed the oil on the tractor and replaced the filter and used sae 20w oil (per my father inlaws advice). after changing the oil i noticed the oil pressure shot up to 80 psi on the gauge. is this normal or do i need to use different oil. and what is the normal oil psi??
 
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Rusty_S85
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PostPosted: Sun May 08, 2016 6:35 pm    Post subject: Re: Help identifying tractor Reply to specific post Reply with quote


Don't worry about oil pressure being that high after you get heat in the engine it will go down as the oil thins out. 20w oil is quite thick and for vintage ford tractors gas ones atleast of the 50s and very early 60s used flat tappet cams and the thicker oil is better for them. 30w oil is what you should be using in temps that can reach 100* ambient. Then in colder weather you switch down to 20w or even 10w.

I personally in my 641 am running 20w50 Vavoline VR1 racing oil because of the added zinc for flat tappet camshafts to help reduce wear.
 
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Ajwash
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PostPosted: Sun May 08, 2016 7:12 pm    Post subject: Re: Help identifying tractor Reply to specific post Reply with quote

So the 80 psi on the gauge is OK, I thought mabe was a little high?
 
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Rusty_S85
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PostPosted: Sun May 08, 2016 8:57 pm    Post subject: Re: Help identifying tractor Reply to specific post Reply with quote


Oil pressure is dependent on three things, oil pump pressure regulator, bearing clearances, and oil weight.

A rebuilt engine that has had bearing clearances closed up you can run a lighter weight oil. But in a older engine with larger clearances even when new they had larger clearances you have to run a thicker oil other wise the thinner oil would not build up enough pressure as it would seep out of the bearing clearances faster than oil pressure could be effectively built up.

Thing is this though after you run the engine and heat cycle the oil a few times it will start to read lower pressure. I think my 641 when I did the oil change few months back it was around 60 PSI and when it got to the point of needing another oil change oil was thinned out due to age and heat and pressure was now only reading 40 psi.
 
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