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D2-5U 8791
D2-5U 8791
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Posts: 16
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Thank you received: 1
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2 months 2 weeks ago #259145
by LenJensen
I removed this filter/strainer and noticed one end has damage on the rubber seal. Can I get a new one at Cat, or will I need to put a new seal on this one?
What grade or type of oil should I use when getting it back together? Some literature I found said the assembly takes 3 1/2 gallons, is that correct?
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2 months 2 weeks ago #259149
by seiscat
This is the back cover of the OMI for the D2 4U & 5U tractors. There are many opinions on the best oil to use. You should use any good quality oil that is rated for use in diesel engines and of a weight suited for your climate.
Craig
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2 months 2 weeks ago #259151
by LenJensen
Thanks. I was needing the hyd.oil requirements. I am going to use ISO 32 hydraulic oil, which I think is near 10 wt. motor oil used in the '50's. Is there another preference?
Also, is there a part number (or where to find it) for the hyd filter shown in the picture, or can it be cleaned and reused?
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2 months 2 weeks ago #259153
by seiscat
The OMI for NO. 44 hydraulic control used on your D2 5U calls for CO (Crankcase Oil.) I think ISO 32 is okay.
Craig
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2 months 2 weeks ago #259154
by seiscat
The filter is 2A5886, the o-ring 4F7390.
The parts books for the D2 5U and the NO. 44 hydraulic control are available in the ACMOC library. You have to be a "paying member" to access them.
Craig
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2 months 2 weeks ago #259157
by LenJensen
I'm a paid up member and went to the library to look at the #44 hydraulic control info. I see you beat me to the info, but I discover the filter element is 2A 5886, but I don't know if I can find one. Can I clean the one I have and reuse it?
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2 months 2 weeks ago #259158
by seiscat
Don't reuse! The 2A5886 filter is still available from Caterpillar and aftermarket sources.
Craig
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2 months 2 weeks ago #259161
by seiscat
The most useful manuals are the OMIs. The ACMOC library already has the Operators Instructions for the NO. 44 hydraulic control. I'm currently 50% complete with scanning the OMI for the D2 4U & 5U tractors . I should be through with it and have it posted to the library next week. I suggest you read them both. They will save you time & money and keep you from making expensive mistakes.
Craig
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2 months 2 weeks ago #259165
by LenJensen
That 2A 5886 filter seems to be the same as the fuel filters used in the D2. If so, not very sophisticated. I may even have one on hand. I'd rather find one like I removed with the metal outside cover. Have the part numbers changed over the years?
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D2-5U 8791
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