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Farmall & IHC Tractors Discussion Forum
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BMD

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Ron 1456

06-12-2005 09:39:53




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What motor did the British MD use and was there a Super BMD, B400D, and B450D?




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George 2

06-12-2005 18:18:26




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 Re: BMD in reply to Ron 1456, 06-12-2005 09:39:53  
The BM and BMD were built in the 1949 to 1953 period. The Super BMD was built in the 1954 to 1958 period and the B450 was built in the 1959 to 1970 period. The Super BWD 6 was also built in this timeframe. The B450 was built in both the rowcrop (Farmall Super M style) and standard tread (Super W6 type)versions. The B450 row crop was imported into the US Gulf Coast states in the 1962 to 1965 period. Oviously they were a little cold blooded and were ok in these states. People who have them now in the northern states have told me that if you have two good capacity 12 volt batteries in parallel and if the glow plug system is ok it will start in cold weather. They also told me the solution is a good tank type block heater and they will start anytime with it. This is no different from my experience with a B414 diesel and Farmall 460 diesel. My Farmall 560 diesel was easier to start and could be started in the winter without a block heater on most days. The B614 was built in the 1963 to 1966 period also and the Richards family of Stouffville, Ontario have one. It apparently was an engineering test tractor at Hamilton Works and they have restored it and had it at Paris, Ontario Red Power show yesterday. Finally there was the 634 and it was built from 1967 to 1970. They were all descendents from the Farmall M and W6

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farmhand

06-12-2005 17:11:27




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 Re: BMD in reply to Ron 1456, 06-12-2005 09:39:53  
Redfan is right the british motor or block are not the same as the MD as he has stated they only have three mains compaired to five and they are direct start diesels. I have two of them and have never had any trouble starting them in zero degree weather as long as the batteries are hot.



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Hugh MacKay

06-12-2005 13:57:10




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 Re: BMD in reply to Ron 1456, 06-12-2005 09:39:53  
Ron: There was a BMD, Super BMD and a B-450. All had the similar sheet metal and chassis of the M. They were all direct start with glow plugs. The time frame on these tractors is much different from North American production, BMD was built until 1955, Super BMD until 1960 roughly and B-450 until about 1967. They never had IPTO or TA but did have a factory 3 point hitch. I think that factory 3 point was SBMD and B-450 only.

Some of these tractors were imported into the southern US and a few W series were imported into western Canada. The problem with them you couldn't start them much below freezing. At that point IH had already imported the smaller B-250 and B-275 in to Canada. You couldn't get the first ones going from Nov. until April. I know one guy bought two of these, said it good that he kept his SC for a pup-tow start. That was to get them going in summer. Great little tractors but just not climatized for northern part of North America.

I think there were two items that created the problem, first British fuel, and second upon rebuild these tractors were changed for climate. Looking again at that time frame, we got the 6 cylinder diesels in 460 and 560 before the B-450 was built. Those basically are the reasons not many of these tractors made it here. By the way that BMD engine was manufactured in Britain but block was same specs as the US MD.

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Redfan

06-12-2005 14:09:50




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 Re: BMD in reply to Hugh MacKay, 06-12-2005 13:57:10  
Just a comment Hugh.
The block used in the British 264 motor was the same specs. as the IH Australian 264 built at Geelong but they differed from the American version in some ways. The main difference was the 5 main bearings in the US version and only 3 in the other two.Regards, Redfan.



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Hugh MacKay

06-12-2005 16:23:22




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 Re: BMD in reply to Redfan, 06-12-2005 14:09:50  
Redfan: Thanks on that, I stand corrected.



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Nat

06-12-2005 09:56:47




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 Re: BMD in reply to Ron 1456, 06-12-2005 09:39:53  
It was a direct-start diesel, and I think it was a version of the same engine used in the US MD, as I recall. I don't even think it had glow plugs.

Regardless, I don't understand is why could they make it direct-start in the UK, but not do the same thing to the M and MD in the USA? Patent problems? Different fuel? There wasn't a direct-start diesel in the USA that didn't require glow plugs until the 806, 15 years after the MD.

There was a B450D.

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