DEW_Marine_Engine

Detroit Engine Works Detroit, Michigan.
2 Cycle Marine Engine Photo's

* NOTICE* Some of the engines on this page may not be using the original * NOTICE *
engine parts per factory spec's such as carburetors, fuel reservoirs/injectors, Exhaust, Etc...

DEW Marine

Photo's taken in 1910 at the Detroit Factory. Same photo's were used in some of the DEW catalogs.
Photo's courtsey of Burton Historical Collection Detroit Public Library.

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DEW Marine 4 hp.

Owner: Art Wagner from Cary, Illinois.

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DEW Marine 4 hp.

Owner: Ernie Darrow from Taunton Massachusetts.

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DEW Marine hp? Owner: Unknown.

This was a Craigslist special.

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DEW Marine 2hp before restoration.

After restoration

Owner: John Davis from St. Cloud Florida. S/N - M2164, Flywheel diameter 11-3/4", Stroke 3-1/4", Bore 2-7/8", Muffler Maxim Silencer No 2-M4.

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DEW marine, hp? Owner: Mike McClarnon.

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DEW 4hp marine engine with Schebler carb. Owner & restorer Mark Abner from Louisville Kentucky. Very early engine with the 4 hole flywheel probably manufactured sometime between 1905 to 1908. Nice job on the restoration Mark, I especially like the way you did the cart.

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DEW Marine with Fuel injector. Owner? Hp?

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Dew Twin Marine. Owner? 9-10 hp

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DEW 15 hp, Owner? photo taken in Germany.

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Dew Marine sold on Ebay. Owner? Hp?

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This Dew Marine engine was auctioned off on Ebay a few years back. Owner: Un-known, Hp: Un-known but I believe it is a 2 hp. If you know who the owner is please email me. I believe this engine to be one of the oldest DEW marine engines in existance. The first DEW marine engine advertisements started showing up in 1906-1907 with the 4 hole flywheel. Also proof that this is a very early engine is the small 3/4" threaded inspection plug and the location of the exhaust hole being higher up in the manifold and last but not least is different style brass name tag. This style tag was on the very first DEW marine engines.

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DEW 3hp, Owner: Douglas Deline from Midland, Michigan.

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Owner: Reese Groshong

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(If anyone knows the owner's or any information on these engines please E-mail me)

Detroit 2hp. Owner: Roger Tan from Tampa.

Restored 2006

Detroit 2hp before and after restoration photos. Owner: John Davis from St. Cloud, Florida. Bore: 3 in. Stroke: 3.5 in. Crankshaft Dia: 1-7/32 in. Weight: 100 lbs. Carb: Lunkenheimer with throttle control. Notice Grease cup on the crankshaft for lubricating lower con rod. Most of the Detroit's used oil to lubricate the lower con rod bearing. This is a good example of an early manufactured DEW marine engine with the small 3/4" pipe plug hole for crankcase inspection and no balanced flywheel or crankshaft. Also has the early style brass name tag. Engine manufactured around the 1905 to 1907 time period.

Owned by: William Roe of Long Island New York.





Owner: Don & Liz Wright from Connecticut.

Owner: ? Photographer ? Hp ?

Is this a Detroit? The literature sections show that Detroit Engine Works, Termaat & Monahan and Caille manufactured marine engines with four holes in the flywheel. The carburetor is a Essex. Owner or hp not known.

Original literature shows that Detroit Engine Works single cylinder (marine engines) were manufactured with three or four large holes in the flywheel or a combination of large holes and small holes. There were a lot of engine companies including Detroit Engine Works, Detroit Motor Car Supply Co., Columbia Engine Co., Caille Perfection Motor Co., Termaat & Monahan Co., Michigan Steel Boat Co., Detroit Boat Co., Etc.... that had different combinations and quantity of holes in the flywheels. Trying to identify the different brand of marine engines by how many or what size holes are in the flywheel simply does not work. Collectors have also tried to use the location of greasers or grease cups on the end of the crank shaft as a means to identify certain engines, again this does not work. You will see examples of engines on original literature and photos on this website that will prove that all these theories do not work.

Low pressure fuel reservoir-injectors, carburetors and
mixers that were used on Detroit marine engine's

The two piece Automatic fuel feeder-injector (patent # 926,892) was designed by John Peterson and Frederick O. Peterson patented on July 6, 1909 manufactured by Ben J. MiddleDitch for Detroit Engine Works. The early two piece style fuel reservoir/injector first appeared around the 1907-1908 time period and the reservoir caps were changed over the next few years. Three different Style caps were manufactured. (1st) Ribbed no embossing, (2nd) Embossed Patent applied for, (3rd) Embossed patented July 6, 1909.

Sources = (1907-1908 Engine Catalog), (U.S. Patent # 926,892), (1909 Engine Catalog), (Bulletin No III Jan 1st 1912), (Bulletin No III part 3 Nov 1st 1914), (1915 Engine Catalog), (Information embossed on Peterson fuel feeders).

The one piece fuel feeder-Injector (patent # 1,026,425) was designed by Frederick Barthel and patented May 14, 1912 manufactured by Detroit Engine Works. There were 3 styles of this one piece fuel feeder/Injector produced. They are listed below in the order which they were produced.

1st style had a flat top with a U shaped tube on the top.
2nd style had a flat top with hex cast on the top.
3rd style had a Acorn hex on the top.

Sources = (U.S,Patent # 1,026,425), (Bulletin No III Jan 1st 1912), (Bulletin No III part 3 Nov 1st 1914), (1915 Engine Catalog), (1912 Detroit Marine operating instructions).





Krice photo's donated by the guys from OldMarineEngine.com website.

Krice Float type carburetor


Schebler float type carburetor







Lunkenhiemer 3/4 inch L.H. mixer with adjustable throttle arm on top and floating valve.

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