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Help ID Blade cylinders

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15 years 4 weeks ago #1263 by daverd4
My local cat dealer can't ID my blade cylinders? My hydraulic unit is a 62G4297 but he says that don't help ID the blade cylinders can anyone help ? They need new packing they won't hold the blade up:confused:

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15 years 4 weeks ago #1264 by TractorDon
Replied by TractorDon on topic Help ID Blade cylinders
Nice D4, had been following your acquisition. Tell the local Cat dealer guy to look up the hardnose group for the D4D. Not sure how many there were. If you get the wrong parts guy, you might has well go to 7eleven for the parts:D Someone here will probably have the info. Don

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15 years 4 weeks ago #1266 by 3512B
Replied by 3512B on topic packing
rebuilding hyd cyl is a big kick with Cat dealers,
Not sure where you located.
If you dealing with a branch, you mite have to call the main shop.
some where they should have a cylinder rebuild shop.

Some times you just have to find the right parts guy too.

on the cyl you should find a part # that will be a big help it will ensure you get the right part

they should beable to find what you want with the machine serial # also
check the blade for a serial # also.

I would also check the hyd filter for packing material, unless you have just change it. look for packing or metal in it.
regardless flush the system and install a new filter after the repair

Steve

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15 years 4 weeks ago #1267 by Old Magnet
Replied by Old Magnet on topic Help ID Blade cylinders
Need the serial number of your blade. Should be on a tag or stamped into the mold board on the rear top RH side.

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15 years 4 weeks ago #1272 by daverd4
Replied by daverd4 on topic Help ID Blade cylinders
Hi TractorDon,
Thanks for the kind words and helpful hints. Since I don't know what a hardnose group is, will I have to explain to the parts guy, or will he probably know? My parts guy is Dave at Western States in Pendleton Or, very nice guy, working real hard at helping me, but is young.
Thanks,
Dave

Hi 3512B,
Not planning on having CAT guy rebuild cylinders. Am going to do it in my shop. Have not been able to find part number on the cylinders. The machine serial # is 78A 4278 and that number does not come up with any attachments. Double checked the blade, it has no serial # anywhere. Not sure about the blades' origin. Maybe an aftermarket blade on a Cat C frame not sure. Planning on a total fluid and filter change on all components.
Thanks,
Dave

Thanks Old Magnet,
Went and double checked, maybe sandblasting the upper right corner of the mold board will bring up the serial number, can't see it as it is.
Thanks,
Dave

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15 years 4 weeks ago #1275 by Old Magnet
Replied by Old Magnet on topic Help ID Blade cylinders
Ok, we'll try it from the tractor serial number, always some risk without the blade serial number but this should get you close: 78A1-up 4A blade should be a serial 52E1-up. The lift cylinder group is 4J4890. I'll have a go at posting the parts diagram.

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15 years 4 weeks ago #1277 by ccjersey
Replied by ccjersey on topic Help ID Blade cylinders
If you can't get anywhere without a serial number, or want a price comparison, contact these folks
www.herculesbulldog.com/

D2-5J's, D6-9U's, D318 and D333 power units, 12E-99E grader, 922B & 944A wheel loaders, D330C generator set, DW20 water tanker and a bunch of Jersey cows to take care of in my spare time:D

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15 years 4 weeks ago #1278 by daverd4
Replied by daverd4 on topic Help ID Blade cylinders
Hi Old Magnet,
Just took another set of eyes to look at her. Found the number 4J494 on the top end of the cylinder.

Found number 4J4303 on the cross shaft between the cylinders behind the radiator fan.
No Number anywhere on the blade. Sanded, nothing.
Don't know if those numbers help or help confuse the issue. Think they are casting numbers, not as user friendly with my local cat dealer.
Thanks for thinking on it.
Dave

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15 years 4 weeks ago #1280 by Old Magnet
Replied by Old Magnet on topic Help ID Blade cylinders
OK, think I see the problem. That is not a Cat blade or C-frame but those are Cat cylinders. The numbers you are getting off the parts are indeed casting numbers. I think you would be safe to go with the parts numbers in the diagram, there are no others close to that type shown in my parts book.

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15 years 4 weeks ago #1283 by 3512B
Replied by 3512B on topic 78a
I been playing with my Stw sis tonight and I put in 78A
came up with no equipment configuration.
ran down the serial # list and found no D4 starting with 78A
if this is the correct serial # you may have a imported machine.
I belive some were made in Japan and Brazil.
if this is the case
Your parts guy should have a guide for corasponding for serial #
this will get you to a 44H or 74U and use that serial # for finding parts.
I hear you on building the cyl at home. what i thought was the Parts guy could refer to the cyl dept and they will help you. with the part #. the branch PSSR should know where to look.
If you do go with the cat packing insted of (O the horrors) after market.
you mite at least have them run a hone down the cyl. the Newer packing
like that honed surface to seat better than the older style.
From what I understand.
Best
3512b

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