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Antique Steel Wheel Tractors - Old Iron Lugs and Cleats

WK40 Mccormick - how many are out there?


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  #31  
Old 03-27-2013, 08:11:03 PM
Mark Schneider Mark Schneider is offline
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Default Re: WK40 Mccormick - how many are out there ?

Quote:
Originally Posted by Lyn Jones View Post
The Oliver 77 starter is a bolt on fit. It just needs a 5mm (3/16th) spacer for the starter drive (Bendix) to clear the flywheel ring gear.
When you fitted these W-40 crank starts with starters did you also fabricate a charging circuit? I would like to see how this might be accomplished as the crank start models are not a user friendly design to mount and drive a generator.
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  #32  
Old 03-27-2013, 08:42:54 PM
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Eric Best Eric Best is offline
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Default Re: WK40 Mccormick - how many are out there ?

The "correct" way would be to obtain the governor cover/oil filler that has the generator mounting surface on it. You'd also need the mounting strap that carries the generator and bolts to the governor cover and the adjustment strap. The water pump pulley has to be changed to have the additional pulley for the generator. The generator itself should be no problem. Getting the casting done for the governor cover wouldn't be a huge challenge.
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  #33  
Old 03-28-2013, 04:00:31 AM
Lyn Jones Lyn Jones is offline
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Default Re: WK40 Mccormick - how many are out there ?

Quote:
Originally Posted by Mark Schneider View Post
When you fitted these W-40 crank starts with starters did you also fabricate a charging circuit? I would like to see how this might be accomplished as the crank start models are not a user friendly design to mount and drive a generator.
No, I didn't. I just charge the battery as required. Here's a closeup pic of a generator on a WK-40.
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  #34  
Old 03-28-2013, 08:35:45 PM
Mark Schneider Mark Schneider is offline
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Default Re: WK40 Mccormick - how many are out there ?

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Originally Posted by Eric Best View Post
The water pump pulley has to be changed to have the additional pulley for the generator.
Yes the lack of any kind of generator drive pulley on the crank start W-40's present a problem. I was hoping that Lyn Jones had figured out a clever solution to this dilemma.
Being a realist I realize that the double pulley W-40 water pumps are probably not going to be all that easy to find.
The front half of the W-40 water pump closely resembles the one used on the Farmall M's. I'm wondering if the double pulley off the M pump would fit on the W-40 pump. Has anybody tried this?
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  #35  
Old 03-30-2013, 11:56:59 PM
Rob Charles Rob Charles is offline
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Default Re: WK40 Mccormick - how many are out there ?

Here's another WK-40 being worked on. It was running but smoked enough to be used as "Misquito" control. 3 cyl.s were pitted from rust at the top. The tractor was an older restoration and running when my friend bought it about 12 years ago.It was taken down for repairs but not too much was available for parts. So I have sleeved the sleeves. I also picked up new rings by size and am going to widen the grooves to salvage the pistons. Here are some pics.The manifold in the pics is what was on it. It is a gasoline manifold which I am not sure if it's even right for a W-40 tractor.. We did get 1 of those nice Rosewood Kero Manifolds for it . Rob
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  #36  
Old 03-31-2013, 12:00:41 AM
Rob Charles Rob Charles is offline
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Default Re: WK40 Mccormick - how many are out there ?

Some misc. engine pics
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Old 03-31-2013, 04:44:10 PM
Mark Schneider Mark Schneider is offline
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Default Re: WK40 Mccormick - how many are out there ?

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Originally Posted by Rob Charles View Post
The manifold in the pics is what was on it. It is a gasoline manifold which I am not sure if it's even right for a W-40 tractor.
I think that the manifold is off a U-21 power unit. If and when we get a W-40 up and running we want to covert it to electric start. Your water pump and generator mounting pictures will be useful. Where are you getting the upper end and pan gaskets and what will you be using for the lower sleeve seals?
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  #38  
Old 03-31-2013, 06:17:17 PM
Rob Charles Rob Charles is offline
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Default Re: WK40 Mccormick - how many are out there ?

Hi Mark, The upper gaskets came from Tom Underwood about 4 years ago.The sleeve seals are going to be made from round O ring cord stock I hope. I am ordering a few sizes from MSc.I have made o-rings for other farmalls from the cord stock and they worked fine. The WK -40s use retangular cross section o -rings so I have my fingers crossed.Valve guides are going to be re furnished with bronze bushings. The pan gasket should be the same as one of the newer Red (I think) Diamond truck engines. Supposedly still available at a Navastar dealer.Rob
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  #39  
Old 03-31-2013, 10:30:34 PM
Mark Schneider Mark Schneider is offline
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Default Re: WK40 Mccormick - how many are out there ?

The "Search" continued from post # 22.....

So Lee and I found ourselves with a tractor and not very many reusable motor parts. Our first plan of action was to place an add on a local internet shopper which only yielded some 22-36 and 10-20 parts tractors. Lee had spotted a pair of W-40's lying out derelict and contacted the owner. Initially only one was for sale and we made a trip to go check it out on a lovely -10 degree morning. Engine was still loose,the manifold looked good, the tinwork, and tank was nice. Once again I thought "How hard can this be?" The belt pulley was off and the front of the transmission had sat open for years. I thought the tranny would probably be toast due to water intrusion. The only premonition of bad things to come was the fact that the clutch housing had gutted by a fellow with a sledge hammer back in the day when this tractor was only junk and not yet an antique. Most of the bellhousing over the flywheel had been busted off.

Our thoughts at this time was that this "good" engine could be removed and installed in #2811. A couple of weeks after these pictures were taken Lee cut the owner a deal on both units and bought them. And then the wait to get them hauled....

Serial # on this tractor is WKC 9842
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  #40  
Old 04-01-2013, 04:54:11 AM
AUSSIE TD-40 AUSSIE TD-40 is offline
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Default Re: WK40 Mccormick - how many are out there ?

that looks like you will get some good parts, on factory rubber wheels, is it a 4 speed?


Jake.
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