OutdoorKing Repair Forum Forums Collectors Corner Identification of Particular Machines Victa Quadra engine id

Hope this is the correct place for ny question. I was given (u beaudy) an old Quadra with what looked like a Briggs "Max" engine on it. When I tried to verify the engine by the numbers it was not the normanl series of a "Max" engine.
It read" 90707". My question is............ "is this a Max engine (IC) or not. (by the way, it will run as is the case with 99.999999% of all Briggs engines that I get. Despite total abuse. Is there an RSPCA for mowers?

I'm not aware of the "Max" designation as telling us anything about the engine's specification. I suspect what you may be asking is whether this was an I/C engine. Anyway, the short answer to your question is that it is a model that was called "Max", but it is probably not an I/C (unless it has been got at by a previous tenant).

Generally the most important feature of I/C (Industrial/Commercial) Briggs engines is that they have a cast iron cylinder liner, where the other models have an aluminium bore. I/C models also usually have heavy duty (dual element) air cleaners, and the I/C decal on the top of the cowl or fuel tank. In this case there is no fuel tank, carburetor or air cleaner fitted so all I have left to work from is the model and type information. From those we can get access to the IPL and Operator's Manual. The Operator's Manual normally has pictures which can help us.

Here is the Illustrated Parts List:
http://bsintek.basco.com/BriggsDocumentDisplay/Z6npvFVJ1DajI.pdf

Here is the Operator's Manual:
http://bsintek.basco.com/BriggsDocumentDisplay/mspAEO-K_ny7tH217FzoPu.pdf

As you can see from the first page of the Operator's Manual, this is from a series called Max. However it does not have the safety cage around the muffler, so it does not seem to be an I/C engine. You could establish its status with certainty though, by removing the cylinder head and checking whether it has a cast iron cylinder liner.

Thanks for your help. The fuel tank was taken for one of my other IC engines.... NB.the sticker is not from the Victa in question... That is what made me think it was. I will take your advise and check inside then report back.

From what I can work out the "max" engines were sort of the "pre quantum" if you will. I have had them as alloy bore and I/C...

Just nitoced in your last pic, you also use the same carlton plugs I use, cant beat them at $40 for a pack of 20 plugs and they actually seem quite reasonable.