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Allis 7020 PTO
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leader58 View Drop Down
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Joined: 15 Oct 2013
Location: Wilmington,IL
Points: 103 		Post Options Post Options   Thanks (0) Thanks(0)   Quote leader58 Quote  Post ReplyReply Direct Link To This Post Topic: Allis 7020 PTO
    Posted: 05 Sep 2015 at 12:27pm
I am looking at a 7020 and i noticed when the PTO is engaged at an idle i hear a little gear noise. It goes away at a little higher rpm. Is this normal? Also how critical is the use of Allis hydraulic oil. Is universal okay? Thanks to all.
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Orange Blood View Drop Down
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Joined: 29 Nov 2010
Location: ColoradoSprings
Points: 4053 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Orange Blood Quote  Post ReplyReply Direct Link To This Post Posted: 05 Sep 2015 at 10:11pm
In every 70xx series I have ever run, you cannot tell if the PTO is engaged or not, just by listening, Idle or otherwise.  I wonder if this tractor did nothing but PTO work, and the bearings are worn?
Still in use:
HD7 WC C CA WD 2-WD45 WD45LP WD45D D14 3-D17 D17LP 2-D19D D19LP 190XTD 190XTLP 720 D21 220 7020 7030 7040 7045 3-7060
Projects: 3-U UC 2-G 2-B 2-C CA 7-WC RC WDLP WF D14 D21 210 7045 N7
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DrAllis View Drop Down
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Joined: 12 Sep 2009
Points: 21919 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 06 Sep 2015 at 6:52am
Any rattling or noise in the PTO driveline could/would be considered somewhat normal under say 1500 RPM's. Oil temps have an affect on this....cold oil being quieter. Torque limiter spring center condition does too. When in the cab with the windows closed, I doubt you hear anything. Some tractors may be quieter than others, but that doesn't mean condemnation of one that is a little noisy at an idle.
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leader58 View Drop Down
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Joined: 15 Oct 2013
Location: Wilmington,IL
Points: 103 		Post Options Post Options   Thanks (0) Thanks(0)   Quote leader58 Quote  Post ReplyReply Direct Link To This Post Posted: 06 Sep 2015 at 7:14am
Cannot hear anything inside the cab. Only if you put your ear next to the pto shaft. Thanks a bunch guys. What about the oil? Thanks again
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DrAllis View Drop Down
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Joined: 12 Sep 2009
Points: 21919 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 06 Sep 2015 at 7:41am
If it meets A-C 821 or 821 XL specs, it is fine.
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