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Changing 140 Hydraulic pump

Farmall Super A, AV, 100, 130, & 140 1939 - 1973
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1978cub
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Changing 140 Hydraulic pump

Postby 1978cub » Tue Mar 22, 2016 7:20 am

Anyone have tips on removing a leaky 140 hydraulic pump and replacing it with a good one from a parts tractor? Should I take the hydraulic lines from the parts tractor with the pump? It seems to be leaking hydraulic fluid into the engine now? Are there any things to watch out for? How long does it take? Thanks

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Don McCombs
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Re: Changing 140 Hydraulic pump

Postby Don McCombs » Tue Mar 22, 2016 7:53 am

Do you know the one from the parts tractor is a good one? If it was me, I'd rebuild the one from the parts tractor, swap them out and rebuild the leaker.
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John *.?-!.* cub owner
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Re: Changing 140 Hydraulic pump

Postby John *.?-!.* cub owner » Tue Mar 22, 2016 10:09 am

Not real familiar with 140, but I assume they are like the Super A, and if it has an auxiliary control tapped off the block, the lines are different than if no auxiliary systems.
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Re: Changing 140 Hydraulic pump

Postby Matt Kirsch » Wed Mar 23, 2016 12:11 pm

It's just like the Cub, but on the opposite side of the tractor.

You will need to remove the lines completely, because the pump has to slide backwards a few inches to clear the drive gear. Use whichever lines are in better condition when you put it back together.

I'm with the others: While you've got the pump out you "may as well" rebuild it before installing it, regardless of which pump you put back on. Saves dumping the hydraulic oil an extra time when you have to go back and rebuild the pump anyway.

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Re: Changing 140 Hydraulic pump

Postby AL Farmall Boy » Wed Mar 23, 2016 2:31 pm

All it needs is a new oil seal so I would rebuild both.
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Re: Changing 140 Hydraulic pump

Postby Dale Finch » Wed Mar 23, 2016 2:34 pm

Don't forget to order the gasket for the hyd lines at the block, and o-rings at the pump end.
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Re: Changing 140 Hydraulic pump

Postby havoc1482 » Wed Mar 23, 2016 9:15 pm

Dale Finch wrote:Don't forget to order the gasket for the hyd lines at the Touch Control block, and o-rings at the pump end.


Edited this for clarity Dale. I threw my boss off today when I said "block" in reference to the TC because most associate "block" with engine. :lol:



The pump is the same as a Super A/100/130 and the C/Super C. To clarify that actually, not all are actually the same, some were made from different manufacturers (so the cast shape might be different), but they will all mount the same regardless.
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Dale Finch
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Re: Changing 140 Hydraulic pump

Postby Dale Finch » Wed Mar 23, 2016 10:13 pm

havoc1482 wrote:Edited this for clarity Dale. I threw my boss off today when I said "block" in reference to the TC because most associate "block" with engine.

Good point!!! Thanks...typed without really thinking! (not unusual, either! :lol: )
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1978cub
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Posts: 136
Joined: Wed Nov 05, 2014 8:51 pm
Zip Code: 55125
Tractors Owned: Cub Lowboy w/105 mower
1979 Factory Red Longstripe Cub
1964 Cub factory red with white hood
140 International Farmall
Super A Hi Crop
100 hi Crop
Circle of Safety: Y
Location: St Paul, MN

Re: Changing 140 Hydraulic pump

Postby 1978cub » Fri Mar 25, 2016 7:00 am

Thanks for the help.

1978cub
5+ Years
5+ Years
Posts: 136
Joined: Wed Nov 05, 2014 8:51 pm
Zip Code: 55125
Tractors Owned: Cub Lowboy w/105 mower
1979 Factory Red Longstripe Cub
1964 Cub factory red with white hood
140 International Farmall
Super A Hi Crop
100 hi Crop
Circle of Safety: Y
Location: St Paul, MN

Re: Changing 140 Hydraulic pump

Postby 1978cub » Sun Apr 17, 2016 9:03 pm

Changed it today. Everything went well. No issues. Thanks all for the help


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