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Help!!--Stearns Engine Designations D-DR-DU Etc.


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  #11  
Old 10-18-2012, 09:16:47 PM
Joe P Joe P is offline
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Default Re: Help!!--Stearns Engine Designations D-DR-DU Etc.

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Originally Posted by Ed Bezanson View Post
To add information I own a 1924 Bear Crawler made in Boston, Mass and it is powered by a Model AU Stearns 4 Cyl. I believe it is rated as 55 HP which is listed on the Bear tag on the gas tank. ED B
That is the only pre Huber application I could find as well besides the Gile/Stearns tractor. I wish I had a complete set of Chilton books but I am missing 1919 and 1920. I am starting to think since it is just a drawing of the Gile tractor in the book it may be botched up and maybe drawn wrong but on the same token I checked and its not a negative of a pic like in some cases. The drawing in the book has the exhaust coming down on the RH side kind of jammed in by the pulley. If I could verify that the AU was built in 19 or 20 then I would know that I would have the correct engine using one out of a Huber. Anyone know of any WW1 trucks using a Stearns? They had to be selling them to someone??

Sorry to hijack your thread Bud, I looked in my 1918,21,22 and 23 Chiton books and I cant find "R" anyplace.
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  #12  
Old 10-19-2012, 01:08:14 AM
Bud Tierney Bud Tierney is offline
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Default Re: Help!!--Stearns Engine Designations D-DR-DU Etc.

JOE: No problem, it's all information. As to Stearns in trucks, I haven't seen a singe listing of a Stearns in a truck in any of my old catalogs. However:
(1) that kind of engine would probably be in a heavy specialty model or off-road model, usually not covered by my catalogs...
(2) a number of "assembled" truck builders didn't openly acknowledge "vendor" engines, so, who knows??
This undated ad does say "For 2-3 and 3-4 plow tractors and motor trucks".
ED: this undated A/AU ad lists BHP 40/800 and 45/900, but Stearns traditionally underrated their motors.
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  #13  
Old 10-19-2012, 12:52:21 PM
Bud Tierney Bud Tierney is offline
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Default Re: Help!!--Stearns Engine Designations D-DR-DU Etc.

Joe: Forgot to mention sites covering heavy road and general const eqpmt, like shovels, cranes, draglines, dredges would be places to look for Stearns info, as they were advertised for those uses in trade magazines, almost always as the engine with lots of extra power.
I know I've seen several in magazines like Roads and Streets, but I think I've sold all the early ones (teens/early 20's).
hcea, the Cat sites, stripmining?, maybe the snowplow site if they were used as the plow engine, altho Climax seemed to be popular on those.
Stearns was reportedly a popular marine engine, probably for working boats (fishing boats, small tugs)rather than sport or racing, like Erd. oldmarineengine and such sites may turn up info. Your EUs marine equivalent seems to be the MEU, which takes the same head gasket as your EU per my 38 Victor--don't confuse with the MEUV, a 6cyl. Good luck.Good luck.
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Old 10-19-2012, 01:39:10 PM
xplor xplor is offline
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Default Re: Help!!--Stearns Engine Designations D-DR-DU Etc.

William L. Gile of Gile Boat and Engine Company fame was an inventor, machinist and mechanic. He built heavy duty stationary and marine engines. He was a pioneer in multi- cylinder, large displacement engines.
Their most desirable product was the “Stearns Farm Lighting Plant”. The only part of the company that attracted offers in 1930.

Tractor engines were for builders that needed an off the shelf engine.

William L. Mercereau, the Secretary and Treasurer was responsible for the car ferry at Ludington, Michigan.

The Gile Q 15-35 had a 4 ¾ x 61/2 bore and stroke.
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Old 10-19-2012, 08:32:53 PM
smtwins smtwins is offline
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Default Re: Help!!--Stearns Engine Designations D-DR-DU Etc.

Quote:
Originally Posted by Joe P View Post
If I could verify that the AU was built in 19 or 20 then I would know that I would have the correct engine using one out of a Huber.

Joe, on page 81 in my 1920 Chilton it tells of the the new AU Tractor Engine for 1920 and how it has more improvements . It shows complete engine and cutaway views. It is a 2 page document. I will try to scan. Also on page 149 Stearns has a full page ad on this engine so I would say you are correct for 1920. My issue is Jan. 1920
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Old 10-19-2012, 09:33:27 PM
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Default Re: Help!!--Stearns Engine Designations D-DR-DU Etc.

These are taken from a couple pdf's Joe P sent to me.
In order for them to display so they are, hopefully, readable I split each image.
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Old 10-19-2012, 11:25:50 PM
Bud Tierney Bud Tierney is offline
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Default Re: Help!!--Stearns Engine Designations D-DR-DU Etc.

My undated A/AU ad has generally larger rod/main bearings and valves (the only specs, beside cam brg sizes, that match those in Joes scans)..
Rod brg size---23/4x31/2...
Front main---27/8x31/2
Center and rear main---27/8x41/2
Cam brg differences vary:
Front cam---2x33/8
Center cam---21/2x33/Rear cam---2x21/4
Valve diameter---21/4 clear opening.
I've emailed smtwins to see if his Chilton one page ad looks the same as my undated one.
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Old 10-19-2012, 11:44:14 PM
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Default Re: Help!!--Stearns Engine Designations D-DR-DU Etc.

Bud, the Ad is totally different. I will scan and post on Monday. There seems to be a bunch of changes in the Stearns engine in a short length of time.
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Old 10-19-2012, 11:45:07 PM
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Default Re: Help!!--Stearns Engine Designations D-DR-DU Etc.

Going by memory because my books are at the shop, my January 1918 Chilton Tractor index lists only one 4 cyl motor a model "P", then the tractor ad from the Febuary 1918 Chilton Tractor Journal calls it "Q". And from Mikes book in 1920 the AU is on the market. Its hard for me to believe they would have reconfigured the entire motor and put the manifold on the RH side for a year so I would guess the tractor pic is messed up? Also interesting is there is a big span of production from 1920 till the first Huber using a Stearns comes out with only the Bear crawler in the middle. I think the Stearns AU was a good motor so you would think you would see it in more places?
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Old 10-19-2012, 11:49:46 PM
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Default Re: Help!!--Stearns Engine Designations D-DR-DU Etc.

Don't count on that Joe.
There is a Plowman tractor at the shop with a Waukesha engine in it. You'd expect that being a Waukesha it would be a standard engine as far as Waukeshas go but it's anything but.......
A friend has a comprehensive book with Waukesha specs and not much adds up....... .......
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