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4000 Express-Hatch & Table hydraulics; Anyone changed the hydraulic oil and filter?
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Alan615 Offline
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Home Port: Lake Ontario
Vessel Info: 2000 4000 Express Caterpillar 3208
#6
05-06-2025, 09:57 AM (This post was last modified: 05-21-2025, 12:30 PM by Alan615.)
I'm about to service this system in my 4000 express, year 2000. A decal on the DYNA JACK unit indicates " Use Dextron automatic transmission fluid only. The use of other fluids may cause the unit to fail. Fill the tank to within 1/2" from the top with cylinders collapsed".

The reservoir tank is about 490 cubic inches which equities to about 8.5 quarts of ATF. The current filter is a Zinga BE-10-18 (10 micron), I'll be using a Donaldson P550426.
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RE: 4000 Express-Hatch & Table hydraulics; Anyone changed the hydraulic oil and filter? - by Alan615 - 05-06-2025, 09:57 AM

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4000 Express-Hatch & Table hydraulics; Anyone changed the hydraulic oil and filter?00