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73 international 150 Loader


 
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memory74
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Joined: 10 Apr 2019
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PostPosted: Wed Apr 10, 2019 6:47 pm    Post subject: 73 international 150 Loader Reply to specific post Reply with quote

Hey guys I have a 150 loader and it will start and run fine but after 45 min to a hour it just wants to stop going forwards or backwards and I can see and feel it shift into foreard and revers but will not go anywhere and I can let it set and cool down and then it will run again as normal for another 45 min or hour and I have changed the fluid and filters any ideas on what could be causing this issue I am puzzled and thanks in advance
 
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AJ.
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Joined: 20 Oct 2007
Posts: 2007
Location: UK

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PostPosted: Thu Apr 11, 2019 7:46 am    Post subject: Re: 73 international 150 Loader Reply to specific post Reply with quote

What information are the gauges saying re the T/C oil pressure and temperature,can you see the drive coupling between the torque and transmission is it spinning,I am very rusty on those machines and have not seen one for 30-35 years,they were a nice loader in their day.
AJ
 
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Nordic
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PostPosted: Thu Apr 11, 2019 6:11 pm    Post subject: Re: 73 international 150 Loader Reply to specific post Reply with quote

In all likelihood, it's simply a loss of pressure due to oil becoming thin as the transmission heats up. You should be careful to stop running as soon as you detect slippage to avoid wearing the clutches thus reducing the life that's left in the transmission. if you were to change to thicker oil you will likely stretch your operating time. It would be interesting to know what type and thickness of oil you are using right now?
 
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dpendzic
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Joined: 05 Mar 2009
Posts: 2230
Location: long island NY and Hancock Ma

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PostPosted: Fri Apr 12, 2019 6:21 am    Post subject: Re: 73 international 150 Loader Reply to specific post Reply with quote

any chance it may have a filter screen on the oil pump pickup in the transmission---my Cats have them and they get clogged
 
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memory74
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PostPosted: Mon Apr 15, 2019 12:32 pm    Post subject: Re: 73 international 150 Loader Reply to specific post Reply with quote

Thanks for the replies and this is what I have put in it

 
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Nordic
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PostPosted: Mon Apr 15, 2019 1:11 pm    Post subject: Re: 73 international 150 Loader Reply to specific post Reply with quote

No doubt that is good oil you have, however, looking at it from a therapeutic perspective you could try engine oil such as 30W or even 40W. The older Cats called for 30W oil in the hydraulic transmissions. If they were not abused they had a very very long life span. Over my decades in business, I had at least 7 Cats all without any transmission issues. I don't know if they specify the thickness of your tractor hydraulic oil (I have it myself for farm tractor applications) but it seems somewhat thin to me. I know it's a bother to do another transmission oil change but you can always keep the oil and change back if it doesn't make any difference. Please keep us updated as to how things go for you, thanks.
 
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Dennis K (WA)
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Joined: 05 Mar 2009
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Location: Ridgefield, Wa.

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PostPosted: Mon Apr 15, 2019 7:11 pm    Post subject: Re: 73 international 150 Loader Reply to specific post Reply with quote

Originally the transmission and the hydraulic systems called for 10W engine oil. What you are showing should be fine under normal conditions.
What does your clutch pressure gauge on the dash show when in neutral and when in gear, at idle and high idle speeds?
You said you serviced the filters. What did you find, if anything in the suction strainer? There should also be a washable strainer along side of the engine mounted to the frame, I think left side if my memory hasn't gone south. That is a strainer between converter and cooler. Anything in that strainer?
When it quits moving, is it like out of gear or under a load?
Let us know
Dennis
 
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