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MM UTS

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Geoff Sweeney

01-21-2001 12:29:34




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The HP is rated at 45, does anyone know what the torque rating is? The 5" stroke is textbook torque motor.

My UTS serial # doesn't match the books, it is 3,345,xxx. Can anyone tell me the year? Thanks.
New to MM.




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Jim Parisot

01-23-2001 16:05:32




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 Re: MM UTS in reply to Geoff Sweeney, 01-21-2001 12:29:34  
Geoff,

Best I can do on torque rating on a U is a rating taken from a catalog of MM stationary engines. With the same basic 283 engine, but with a little higher compression ratio, the engine puts out 51 h.p. at 1300 r.p.m. on gasoline and 210 foot lbs. of torque at 1000 r.p.m. This is with radiator and fan.

Jim



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Geoff

01-24-2001 08:24:14




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 Re: Re: MM UTS in reply to Jim Parisot, 01-23-2001 16:05:32  
Out of curiousity, do you have any torque rating of a 40-50 HP deisel engine?



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Jim Parisot

01-24-2001 10:16:59




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 Re: Re: Re: MM UTS in reply to Geoff, 01-24-2001 08:24:14  
Geoff,

Using the same publication, they have the 283-4A Diesel engine specs. It produces 46 horse power @ 1300 r.p.m. and 194 foot lbs. of torque at 1100 r.p.m. with radiator and fan.

Jim



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Jim Parisot

01-22-2001 11:40:18




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 Re: MM UTS in reply to Geoff Sweeney, 01-21-2001 12:29:34  
Geoff,

You've got a 1947 UTS. All the models were lumped into the same serial number grouping till 1948. The first split block U was #334001 so you have one of the first 450 split blocks built. Yes, they are torquers, don't know if I have a figure or not to give you.
A standard tractor was made for pulling only, whereas a row crop was made so you could mount things on it. A standard was short, stout, squatty with wider rear tires and non adjustable wide front axle and non adjustable rear axle. They were used mainly in the high plains, in wheat country, and some in the south on rice. Hope this helps.

Jim

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Peter

01-21-2001 16:29:34




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 Re: MM UTS in reply to Geoff Sweeney, 01-21-2001 12:29:34  
For the second part of your question. Make sure that you are check what the tractor serial number is by the tag on the right side of the transmision and not the engine serial number. M-M put serial numbers on all of the engines that they made. This was done because when they were makeing engines and it came off the line it could be put on a irrigation pump or on a crane, or as a power plant. The next batch would go for tractors then. This way they could keep all of their customer happy by rotating engine aplication. They also had a record then of any changes made in engine production and when it happened.

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Geoff Sweeney

01-22-2001 08:13:41




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 Re: Re: MM UTS in reply to Peter, 01-21-2001 16:29:34  
On the right side of the transmission is a metal tag that says Model UTS Serial# 334,454S, the S is hard to read. When I look up serial 3, it seems to match a 1947 U, but way off the UTS models. What is the difference between a U and a UTS? Mine is a widefront with split heads.



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Peter

01-23-2001 08:10:29




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 Re: Re: Re: MM UTS in reply to Geoff Sweeney, 01-22-2001 08:13:41  
The tractor is correct. The 3rd letter on the tractor is the front end type. The s is for standard fixed tread wide front. The e is for adjustible wide front. The u is for the narrow front. And the n is for single front wheel. Yours is the standard a uts. All u's made in later 1946 area on are the famous M-M split head style. One head for every 2 cylinders.Some serial number list have them seperated by each style and others lump them all together.

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Geoff sweeney

01-23-2001 13:40:15




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 Re: Re: Re: Re: MM UTS in reply to Peter, 01-23-2001 08:10:29  
Thank you gentlemen for the great info. I have a collection of 27 farm tractors, and this is my first MM. I am delighted with their design philosophy, very heavy built, very high torque engine design, great engine sheet metal detail like the hinged distributor cover and louvers. Can anyone tell me what the first 2 letters UT, stand for? You said the split head design is famous, famous for what? Because it is a unique, owner considerate design? Were they particularly efficient or rugged? Thanks. Geoff in Hagerstown,MD

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Peter

01-23-2001 13:57:37




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 Re: Re: Re: Re: Re: MM UTS in reply to Geoff sweeney, 01-23-2001 13:40:15  
The U is the model and as far as the T I think it stands for tractor. The split head design makes it easier when doing repairs. On some of the late model units like the M670 has 4 cylinders and the same head can be used on the G1000 that has 6 cylinders. This way your dealer could stock one head and have it fit several tractors. It also makes for a lot less inventory at the company and branchs. They are just as rugged as a IH or JD and maybe eaven more. As far as efficiency a couple years ago one of my neighbors who is all IH had a hyd pump go out on his 450 gas and used a M5 gas we had at the time. He said he had more power and used less fuel.

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Lindsey

01-24-2001 09:49:07




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 Re: Re: Re: Re: Re: Re: MM UTS in reply to Peter, 01-23-2001 13:57:37  
My uncle farmed for a short time using an IH 450 and MM UB Special, both gas, which are close in size. He said the moline used "noticably" less gas and there was no difference in performance. Also the split head design usually meant less expensive repairs as you only had to replace half a head in comparison to other brands that used one head for all 4 cylinders. For a period of years, many people considered MM a leading the pack with styling, engine design, use of LP fuel, tractors with cabs, and some others I know I forgot. They are some neat machines.

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