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I am including a photo of what I believe might be a Hydraulic reservoir of my Gravely Promaster 44Z lawnmower. I pulled out the dipstick and nothing showed up on the dipstick at all. If this is the Hydro fluid reservoir, then how much should it take to fill iit up?

I believe the that if this should be right, then the Ariens Gravely Hydraulic Fluid / Oil #00057100, 15W50 1 Qt / 32 Oz should be the proper Hydraulic fluid for my Gravely Promaster 44Z lawnmower. Would that be correct?

looks like a hydraulic tank. If there is a hose coming off of the bottom that either goes to the pump or to a filter assembly then you will know for sure.

Although Gravely calls it hydraulic fluid it is motor oil in this case. you either the Gravely bottle stuff @$14+ or go to Walmart and buy Mobile One @ around $8 or under if buy 4-5 qt jugs. As for much it takes it is what it take to fill it to the full mark.

Gravely Reference materials: https://support.gravely.com/article/?id=900c1e85-ce7f-e711-80f4-c4346bad526c

StarTech said:

Although Gravely calls it hydraulic fluid it is motor oil in this case. you either the Gravely bottle stuff @$14+ or go to Walmart and buy Mobile One @ around $8 or under if buy 4-5 qt jugs. As for much it takes it is what it take to fill it to the full mark.

Gravely Reference materials: https://support.gravely.com/article/?id=900c1e85-ce7f-e711-80f4-c4346bad526c

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Do you know where I can find out how much the capacity is for a Promaster 44Z, because I can not find it in my owners manual?

It.is $7.88 for just 1 quart at Walmart.as shown in the link below:

As far as I can there no publish amount other fill to full line. Now each of the ZT-2800 uses (bottom of fill port) 2284 ml (77.23 fl. oz.) per the HydroGear SM but may not include a filter change as not all unit have external filters installed. And this definitely does not include the reservoir tank and lines.

In my Gravely instruction manual when installing a new Hydraulic Filter it tells me this in step number 6.

6.) Spin new oil filter onto filter housing until it makes contact. Tighten oil filter another 1/2 turn.

I always was told that oil filters should only be hand tighten, can turn the filter another 1/2 turn to tighten
unless I use a oil wrench like show in the link below.

So with that here is my question about on this:: Can I use this wrench below to tighten it the 1/2 turn it says to do?

I think you will find that if you spin the filter on until it makes contact you can probably spin it by hand another 1/2 turn without the wrench.

The problem with the hand tight only is how tight your hand does it up will depend upon your personal strength , how direct the access to the filter is , how clean you hands & the filter is.
So as Ilengine said till it contacts the base the a 1/2 turn
Overtightening is only a problem when you are removing it
Undertightening OTOH becomes a big problem in use.

I would not use that kind of wrench to tighten a spin-on filter. Removal would be OK because you're done with that filter but I wouldn't use it on a new filter. Hand tight should be sufficient.

cpurvis said:

I would not use that kind of wrench to tighten a spin-on filter. Removal would be OK because you're done with that filter but I wouldn't use it on a new filter. Hand tight should be sufficient.

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Why ?
The worst those pliers would do is to scratch the paint .
Usually I use a strap wrench on oil filters.
Just finished doing a front oil seal on a 2000 series cub .
Customer insisted the seal was leaking despite the fact I showed hin the oil was coming from the loose filter .

I am buying the locking filter wrench type in the photo because the strap type I bought from Harbor freight the first time will not work to install the filter, only to remove it. (It evens say on the packaging made to remove only).

The only reason I am planning on using this locking filter wrench type is to at least snug it tight a bit more than hand tight, is because when it first begins to stop turning using my hand, I can only forcefully hand tighten it about a 1/5th of a turn. You see my Hydro filter is very large as is a
3 3//4 inch filter. Being that big if you can visualize that size filter, it takes a lot to turn it a 1/2 of a turn.

Do you think that with just a little more snug to it with this locking oil wrench very carefully, after my forceful hand tight, it will be okay and good enough?

I never use anything but my hands to tighten a spin on filter. Never had a problem with coming loose. I usually get 1/2 to 3/4 turn and i am old with arthritis. My go to tool to get filters off is a pair of Tekton filter pliers. I have a strap wrench 3 different band wrenches the fluted cup set. The Tekton pliers are the best thing i have found to remove filters put on by folks that think tightest is the bestest. I am amazed how many filters i see with strap wrench dents from putting the filter on.

Hammermechanicman said:

I never use anything but my hands to tighten a spin on filter. Never had a problem with coming loose. I usually get 1/2 to 3/4 turn and i am old with arthritis. My go to tool to get filters off is a pair of Tekton filter pliers. I have a strap wrench 3 different band wrenches the fluted cup set. The Tekton pliers are the best thing i have found to remove filters put on by folks that think tightest is the bestest. I am amazed how many filters i see with strap wrench dents from putting the filter on.

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You would not get 1/2 to 3/4 turn on this 3 3/4 inch Hydro filter I have old or not. I can barely get my hands around it to hank tighten it, as it is so big.

bertsmobile1 said:

Why ?

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Because I have better tools for that job, including a strap wrench.

Stupid thought but you DID oil the o-ring first?

bullet bob said:

Stupid thought but you DID oil the o-ring first?

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You are right it was a stupid thought. You should know I am smarter than a fifth grader. ?