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Oil Field Engines & Related Equipment

Four Cycle Half Breed


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  #1  
Old 12-17-2010, 02:51:43 AM
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Chris Austin Chris Austin is offline
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Default Four Cycle Half Breed

A few pictures of a Sheffer half breed made in Emlenton, Pa. I sold this a while back, and now my friend Ken Uplinger and I are going to get it running for the buyer. It is on a G.W. Tifft Sons & Co. Buffalo ,NY bedplate.



Notice the rods running from the cylinder to the main bearing cap to "stiffen up" the bedplate. There are also rods underneath going to a the feet to do the same thing.



A shot from the head end showing the valves. It also has a ported exhaust.



It has two flywheels, which are both curved 4 spoke wheels. I believe there are only four of these engines around.
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Old 12-19-2010, 12:48:46 PM
W.P.Klein W.P.Klein is offline
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Default Re: 4 cycle half breed

It will be nice to know of one running. I know of a "lawn ornament" one that the owner won't sell. Bill Klein
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Old 12-19-2010, 03:39:21 PM
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Default Re: 4 cycle half breed

Quote:
Originally Posted by W.P.Klein View Post
It will be nice to know of one running. I know of a "lawn ornament" one that the owner won't sell. Bill Klein
Bill,

I remember that one when it used to sit out along the highway. There was one running and will be again. I have another one that is at Coolspring, but currently the cylinder is off for a rebore. It was at the June 2004 show running when we featured halfbreeds. It also has a hit and miss governor.

Chris
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Old 12-19-2010, 05:02:34 PM
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Default Re: 4 cycle half breed

That's one interesting engine. If you find another, you know who to call.....or email. (Just don't tell my loan officer about it.)
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Old 12-19-2010, 09:26:55 PM
Eric M. Eric M. is offline
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Default Re: 4 cycle half breed

There is a running Sheffer (I think; I know it's a 4 cycle conversion that looks VERY similar) half breed on a G.W. Tiffts bed in a collection out west. I won't name the owner, since I do not know if he wants to make it public or not.
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Old 12-23-2010, 08:40:34 PM
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Default Re: 4 cycle half breed

Got the piston out of the bore the other night, a large oak block against the connecting rod and a 16 pound sledge started it to move after a few good hits. Had to cut the piston rod as it would not spin in the bore to unscrew it from the crosshead.This was in the back of the bore.



After cleaning out the bore it didn't look to bad, I think it will be ok to run.



And the piston doesn't look to bad either.

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Old 01-10-2011, 01:09:04 AM
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Default Re: 4 cycle half breed

A few pics of machining out the stuck piston rod. Sawing off he piston rod.

Drilling out the rod.

Boring out the minor inside diameter of the threads and removal of threads.
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Old 01-10-2011, 01:31:50 AM
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Default Re: 4 cycle half breed

My other Sheffer

AS found on location

Hit and miss governor


This engine was never used in the oilfield. It was converted by the original owners family and used to grind feed on their farm. The grandfather and father of the man I bought it from had it converted by Sheffer.
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Old 07-01-2012, 12:30:40 AM
Nickboy90 Nickboy90 is offline
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Default Re: 4 cycle half breed

I just found a Bovaird & Co. half-breed on a Tifft bed today. . . 2-stroke, going to try my best to acquire it. One flywheel is 4-spoke curved, but was recently (within the last few months) broken in half while some genius was trying to move it, the other is 4-spoked straight. One of the bearing caps is cracked at the top, where it was broken at the same time as the flywheel. I have a friend with a small iron foundry, I may try to re-cast one from the existing cap if I do acquire this engine.
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Old 07-15-2012, 10:27:02 AM
W.P.Klein W.P.Klein is offline
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Default Re: 4 cycle half breed

I visited the Emlenton Summer Fest yesterday to show the Crawford. Took the opportunity to snap a couple pics of the Sheffer shop. Bill Klein
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