waukesha two cylinder air cooled engine

[Leon R]

I could use some help identifying the age of this engine I was given. The engine has the waukesha manufactures plate with the number 580851. It is a flat two cylinder opposed air cooled engine with a Fairbanks Morse mag type J2B8 on it. I have been doing some googling but can't come up with anything. thanks, Leon
 

[Duner Wi]

If I remember correctly Crosley used a 2 cyl. opposed engine 1939-1942. I doubt if it had a magneto tho.
 

[Leon R]

Thanks Duner, have been looking at the Crosley sites also. Sure is odd that there is not more info on the web about waukesha engines as they have been in business for a hundred years!! Leon
 

[J. Schwiebert]

You need to contact the Waukesha Historical Society
 

[Duner Wi]

Look at this
http://www.dieselpunks.org/profiles/blogs/lord-ks-garage-43-american
Says it is a "Cub Twin"

My 1955 Victor gasket catalog list a model 150 "Cub Twin" power unit with 3 X 3 1/2.
My Crosley book says 3 X 2 1/2 for 1940-42. For 1939 stroke was 2 3/4.
 

[noncompos]

These are apparently all variations of what is loosely (at least in parts catalogs) called/known as the Wauk "150" engine.
A 56 Fed-Mog shop specs manual shows both of the Crosley 2 Cyl's with OE part numbers "150xxx", similar to the Wauk OE numberng system used with 130s (130xxx) etc at that period. I don't have anything that lists the Cub Twin or its OE part numbers.
As John says, the Hist Soc (wehs.net) can give you more precise info on your unit.
 

[Leon R]

Thanks everyone. The waukesha historical site also shows the air cooled two cylinder was introduced in 1938. Very interesting history on this company. It appears that the two cylinder air cooled was used on the early crosleys. My example has a bellhousing and clutch. Leon