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jchance 
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Joined: 03 Jan 2014
Location: Brisbane
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 Topic: HD11 SEAL Crossreference
Posted: 15 Jan 2017 at 4:24am |
Hi,
does anyone know a cross reference for a seal for HD11 the Allis Chalmers part number is 620279 or 70620279.
Original Part is $185 each and i need two of them, would much prefer an aftermarket version however i am unsure of the specs of the original part.
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DMiller
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Joined: 14 Sep 2009
Location: Hermann, Mo
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Posted: 15 Jan 2017 at 8:08am |
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Just went to part book to ID the seal. Appears by descriptor page 218 to be a two piece probably a steel ring with a packing ring of rawhide(most likely) or a o-ring. I seriously doubt after market would handle that.
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jchance
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Posted: 15 Jan 2017 at 8:42am |
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after market with the same specs is what im chasing
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DMiller
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Posted: 15 Jan 2017 at 9:16am |
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That is what I meant in last post, never seen a packing if it is by aftermarket save hydraulic cylinders. You may want to take the remnant pieces to a hydraulics shop to have made as not many if any still make multi-piece rawhide seals save by hand.
Allis final drive seals are as rare and odd. Are a mix of two steel washers with neoprene rubber fibrous donut between with springs embedded. Your 11 has these and they are not available by anyone else either.
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DMiller
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Posted: 15 Jan 2017 at 9:17am |
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To add, it most likely have been a weeping seal to lubricate the outer bearing on the clutch shaft support bearing. To put a full hard seal in there may doom the bearing to failure.
Edited by DMiller - 15 Jan 2017 at 9:18am
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Acdiesel
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Posted: 15 Jan 2017 at 7:57pm |
looks like it changes to a 17277 also looks like it might not be available.
good luck
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D19 diesel,D17 diesel SER.3 D14 NF,D14 WF, D15 SER.II wf
D15 SER.2 DIESEL,D15 ser.II nf
D12 SER.I, D10 Ser.II
2-720'S
Gmc,caterpillar
I'm a pharmacist (farm assist) with a PHD (post hole digger)
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jchance
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Posted: 15 Jan 2017 at 8:33pm |
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thanks for the info, are you able to let me know where you came up with the cross reference of 17277 ?
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CAL(KS)
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Posted: 16 Jan 2017 at 7:36am |
the 17277 crosses to this national #. does not mean it is correct application, I have no idea. It is a chicago rawhide to National #
Edited by CAL(KS) - 16 Jan 2017 at 7:37am
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Me -C,U,UC,WC,WD45,190XT,TL-12,145T,HD6G,HD16,HD20
Dad- WD, D17D, D19D, RT100A, 7020, 7080,7580, 2-8550's, 2-S77, HD15
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Acdiesel
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Posted: 16 Jan 2017 at 10:58am |
I HAVE CROSSED AC NUMBERS TO NEW SEALS AND MOST OF THE TIME HAVE TO DOUBLE THEM UP BECAUSE THERE NOT THE SAME THICKNESS AS THE ORGINAL.
DAN
I.D 1.75'' O.D 2.378 WIDTH .25''
Edited by Acdiesel - 16 Jan 2017 at 11:00am
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D19 diesel,D17 diesel SER.3 D14 NF,D14 WF, D15 SER.II wf
D15 SER.2 DIESEL,D15 ser.II nf
D12 SER.I, D10 Ser.II
2-720'S
Gmc,caterpillar
I'm a pharmacist (farm assist) with a PHD (post hole digger)
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jchance
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Location: Brisbane
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Posted: 16 Jan 2017 at 2:38pm |
i contacted minnpar and they gave me the following specs for part number 70620279
OD is 2.56
Width .188
ID 2.167
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gemdozer
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Posted: 16 Jan 2017 at 4:30pm |
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These seals ar for oil cluch shaft
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DMiller
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Posted: 16 Jan 2017 at 5:10pm |
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Hector, is this a true seal or is it a gland as in a hydraulic cylinder made of rawhide?
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gemdozer
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Posted: 16 Jan 2017 at 6:35pm |
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Yes these 2 seals are true seal 620279 and are instaled on retainer cluch shaft rear bearing and these are in my manual HD11 PAGE 148
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