D46U hydraulic pressure

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captainhowdy

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I need to replace the hoses on my hydraulic cylinders. does anyone know what the working pressure is on a 1953 D4 6U with cat hydraulics

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Fri, Jul 7, 2017 4:42 AM

Old Magnet

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Here are the hydraulic system specifications...

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Fri, Jul 7, 2017 5:04 AM

captainhowdy

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Reply to Old Magnet:

Here are the hydraulic system specifications...

Thanks Magnet. 1000 PSI working pressure single braid should work fine.

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Fri, Jul 7, 2017 5:25 AM

8C 361

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Reply to captainhowdy:

Thanks Magnet. 1000 PSI working pressure single braid should work fine.

More important is the OD of the hose to work with the clamps.

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Fri, Jul 7, 2017 7:49 PM

juiceman

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Reply to 8C 361:

More important is the OD of the hose to work with the clamps.

Yes, the O.D. For the old clamp style isn't too common I found; local shop did some welding on fittings so the hose could be crimped. Just because the I.D. matches, doesn't mean it will work safely. Captainhowdy, be careful about the hose; hate to have you injure yourself or anyone else for that matter. JM

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Fri, Jul 7, 2017 8:30 PM

dpendzic

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Reply to juiceman:

Yes, the O.D. For the old clamp style isn't too common I found; local shop did some welding on fittings so the hose could be crimped. Just because the I.D. matches, doesn't mean it will work safely. Captainhowdy, be careful about the hose; hate to have you injure yourself or anyone else for that matter. JM

I would recommend a hose with more than 1000 psi working pressure--the relief is set at 1200 psi and just about every hose I blew was from a shock load on the system

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Fri, Jul 7, 2017 8:54 PM

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