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MM Power units

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Brad Metcalf
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PostPosted: Thu Jan 16, 2014 2:34 pm    Post subject: MM Power units Reply to specific post Reply with quote

Today I found a MM power unit tag on the frame says HUA 67042 the tag on the motor says 4 5/8 x 6 6cyls HEB 161812 runs on gas Any help? Thanks Brad
 
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Brad Metcalf
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PostPosted: Thu Jan 16, 2014 2:58 pm    Post subject: Re: MM Power units Reply to specific post Reply with quote

here are some pics

 
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rgraven
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PostPosted: Thu Jan 16, 2014 5:38 pm    Post subject: Re: MM Power units Reply to specific post Reply with quote

It is a 605. I didn't know that they made them in gasoline-knew they made LP, natural gas and diesel, other than the fact that they were hellish good irrigation units I don't know a lot except keep the rpms stock(1500-1550) or they don't live long. I imagine the puller guys would love to get hold of it.
 
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oleclint
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PostPosted: Thu Jan 16, 2014 6:14 pm    Post subject: Re: MM Power units Reply to specific post Reply with quote

Only six , 605 power units were made in a diesel version. Some have said that they were put in fishing boats along the gulf of Mexico. clint.
 
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shinnery
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PostPosted: Thu Jan 16, 2014 7:18 pm    Post subject: Re: MM Power units Reply to specific post Reply with quote

See my comment on the Minnie-Mo board.
Bryce
 
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mmoon
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PostPosted: Fri Jan 17, 2014 3:37 am    Post subject: Re: MM Power units Reply to specific post Reply with quote

I got hold of one too -this engine has positive crankcase ventilation ---look at the picture and you can see the steel lines coming from the cast iron valve covers to the intake manifold ---the radiator has TWIN CITY casted on the top tank-----real neat since it is nearly 60 years plus old----
 
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Brad Metcalf
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PostPosted: Fri Jan 17, 2014 3:51 am    Post subject: Re: MM Power units Reply to specific post Reply with quote

mmoon , Yes it does have Twin Cities on the radiator any pics of yours? Have you found any parts sources? My intake manifold is busted. Thanks
 
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mmoon
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PostPosted: Fri Jan 17, 2014 6:23 am    Post subject: Re: MM Power units Reply to specific post Reply with quote

Brad--as far as I know the parts are inter -changeable with the 500 series engines --the thing that made these engines different was the stroke ---the heads are the same as other molines except for thickness ---the jugs are the same as a 403 or 336 except for height 6in. ---the manifolds should work off of a six cyl tractor engine -Jeff Garvert 308-946-2146 -the engine I have is in new condition except that it was setting outside and got water in it--it was stuck --we took apart and it does not look like it ever ran ------ lee----410 -398- 6610
 
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Howard H.
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PostPosted: Fri Jan 17, 2014 7:22 am    Post subject: Re: MM Power units Reply to specific post Reply with quote


I posted this pic a few years ago of an HUA Dad has on a well, but it is still good... ha... It was on a place that my grandpa bought in 1947 and still has the same original cast iron pistons in it as 1947 (which I assume had to have been original at that time).

It had an old hand crank on the front of the engine as part of the stand when I was a kid, but also has a starter, which is what we always used. It is natural gas, but we always have to prime it with a little gasoline in the intake manifold petcocks and then it starts like a car.

Not sure why it is quirky like that - none of our 605s or 800s or HD800s are like that...


 photo DSC_3718.jpg

 
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mmoon
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PostPosted: Fri Jan 17, 2014 7:52 am    Post subject: Re: MM Power units Reply to specific post Reply with quote

Hey Howard---I am not knowledgeable on some of these engines but was this water cool from the well?
 
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Brad Metcalf
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PostPosted: Fri Jan 17, 2014 8:05 am    Post subject: Re: MM Power units Reply to specific post Reply with quote

Howard, Can you tell me why 2 different tags? 1 on the block and 1 on the frame Thanks Brad
 
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Howard H.
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PostPosted: Fri Jan 17, 2014 8:58 am    Post subject: Re: MM Power units Reply to specific post Reply with quote


Yes - you can see the gray water lines along with the natural gas line...

Those 2 lines go to a cooling coil which circulates the engine cooling fluid in copper coils with the irrigation water out of the well flowing over the coils... Works slick as a whistle and doesn't waste any extra hp like running a fan would.

I had an engine on a big well one time that could barely pull it - and I was having trouble with it heating - so I added a fan to help with the cooling - and was surprised to see how bad that hurt me on the barely-enough-power problem. I wound up buying a bigger cooling coil assembly & took the fan back off in that instance.

I also would usually take the thermostat(s) out and just put a plate with a hole drilled in it (5/8" or so) - and that would be about right to keep it at the right temp - and then I didn't have to worry about sticky thermostats or anything. Since the loads stay so constant over long periods, it works fine for irrigating.


HH
 
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Howard H.
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PostPosted: Fri Jan 17, 2014 9:32 am    Post subject: Re: MM Power units Reply to specific post Reply with quote


I never noticed that, Brad, but will look next time I'm out there.

My guess is like in tractors - where there is a engine tag as well as a tractor tag - some of the integrators sticking engines in various applications also put tags on their stationary frame assemblies...


Howard
 
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mmoon
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PostPosted: Fri Jan 17, 2014 9:54 am    Post subject: Re: MM Power units Reply to specific post Reply with quote

THANKS HOWARD--info was very helpful --lee
 
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mmfan55
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PostPosted: Fri Jan 17, 2014 11:28 am    Post subject: Re: MM Power units Reply to specific post Reply with quote

What you have is a very early 605 that was sold just after the merger of the companies that formed Minneapolis-Moline. That is why the "Twin City" radiator. (using up old stock maybe). The gas versions were very low compression; (many 60-120#) and could be hand cranked if you had enough "lead" in your britches. Same basic design that was used thru their history. Just a very early build.
 
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