Need some ideas on oil capacity, why it don't hold more

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Briggs horizontal vanguard V20 with horizontal oil filter, in an ingersoll 5820V ztr. Owners manual and engine manual call for a quart and a half with filter change. Have just done this one twice for verification purposes and to rule out a filter problem. Using a wix 51348 filter with a drain back valve. I have removed and drained oil from the filter so I know it gets to it, unit has an oil pressure indicator light that works.
Makes me NERVOUS as I fear oil starvation. I use this same filter on my P220g onan also. I am not the first owner of this but engine and model numbers certainly put it as the correct type and style.

Thanks Tom
 
Are you saying it took less than the quart and a half the manual called for?

Remember, those engines are not the same as the regular 'Briggs' engines. They are made by Dihatsu in the 'far East' somewhere. Engines from over there tend to have less oil capacity than similar size/HP. North American engines.

There are some engines that the initial oil fill will be more than any later oil change.

One of them is the single cylinder Kohler Courage. Initial fill is at least a quart and a half-sometimes nearly 2 quarts, but it only takes just over a quart for later oil and filter changes.
If you have one open you can see that there is a valley under the cam on the opposite side from the drain that holds right much oil that does not drain during the change.
 
Do you honestly think that the engineers at Briggs and Stratton would sell a Vanguard Series engine with an undersized oil pan that would lead to oil starvation? IMO, you are looking for a problem that does not exist. I have 15 years of experience on forums that are dedicated to Colt, Case and Ingersoll products and at no time have I ever come across a complaint about a Vanguard having undersized oil pans.
 
I had the engine out of the chassis. Tipped and turned while repairing hydro drive and resetting mags, cleaning out exhaust manifold bolt holes, replacing stator winding etc. There was no more than a quart and a scant cup when completely drained. Didn't check it before engine removal.
When I finished mowing yesterday I pulled the stick to once again check oil level. Suddenly thought about what if the wrong stick was in it. Part book calls for a 693175 stick/693174 tube. Currently has a 808407 dipstick which feeds back to a (toro sand pro 303447-1180-E) whatever that is. i can't see any number for the tube as it sets.
So I am lost here I need someone with briggs parts access now. Tom
 
The question that comes to my mind is this. Are you 100 percent certain that the engine is the original one? Like other manufacturers of OPE, Ingersoll ordered engines to their specifications. The ID tag on your engine should be of help here because it will have the engine model number, the spec number and the date code. While I realize that you have a ZTR, it is a well-known fact that Case spec'd special oil pans for both the Onan and Kohler K/M powered garden tractors. Therefore, it is not unreasonable to question whether Ingersoll spec'd a special oil pan for your ZTR.

Perhaps the oil pan was swapped out during a repair. Perhaps someone swapped out the dipstick and tube. Based on this new information, I agree that you have cause for concern. I will contact a friend of mine and ask him to chime in on this issue.
 
I am not certain that I understand the problem yet.. I have a 5820V Ingy ZTR and I believe that it does only take 1.5 Qts of oil.. I have another parts tractor with a blown Vanguard 20 hp and it has a different dipstick than my mowing unit has.. I am using the Briggs oil filters on mine when I change oil and 10w 30 Valvoline Syn Power.
 
Tom, Dave; 351447 spec #1239-E1 00071111 date code, puts it July 11,2000. They don't have sumps, a front and rear case half. I guess the engine could have been swapped and the sheet metal reused.
Dave, the parts catalog you so graciously provided shows the 351447 but the spec number is several lower 1100 something as I recall. I can only get a quart of oil in this with oil and filter change and it is at the full mark. Thought about filling to the 1.5 quart area and remarking the dipstick.

http://www.ariopedemo.com/pages/oem..._Rings,_Connecting_Rod/3514471193A1/06700002B
Picture of crankcase half above.
I need a briggs expert I guess.

Tom
 
If the book calls for 1.5 qts and you pulled a qt and a cup out, then you are only a cup/8oz/half a pint low on oil. Drain, add exactly 1.5 qt, and remark the dipstick. Problem solved.
AaronSEIA
 
Aaron; That is a consideration. To add 1 quart with filter change brings to the top of the hash mark (full). I added 8 ounces hoping I could get by with it not getting into the crank throw, saw no problems. Am tempted to go up couple ounces at a time and see what happens. Tom
 

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