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Creek Jenkins 
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Joined: 14 Sep 2009
Location: Northern Minn
Points: 812
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 Topic: Off Color - Swedish Tractors
Posted: 14 Mar 2010 at 7:43am |
I've been in Sweden the last week working. The hotel I was staying at in Eskilstuna has a museum attached to it - on display are products from the original companies that now form Volvo Construction Equipment. Munktell, then later Bolinder Munktell made tractors in the early 1900's right on up to the 1960s, when they switched everything over to the Volvo name. They had on display tractors from way back to the newest I think was a 1985 model. The tractors were in really nice shape and the displays were pretty neat. It was pretty interesting to look at the history of tractor development from their perspective. I took some pictures, as soon as I finger out how to post them I'll give it a try.
cheers,
Creek
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Creek Jenkins
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Joined: 14 Sep 2009
Location: Northern Minn
Points: 812
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Posted: 21 Mar 2010 at 10:07am |
 Okay I'm going to try to attach a pic:
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JohnCO
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Joined: 11 Sep 2009
Location: Niwot Colo
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Posted: 22 Mar 2010 at 12:30am |
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That's a nice looking tractor. 2 cylinder engine? Interesting color combo.
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"If at first you don't succeed, get a bigger hammer"
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DonBC
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Joined: 12 Sep 2009
Location: Courtenay, BC,
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Posted: 22 Mar 2010 at 11:01am |
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I was given an encyclopedia of tractors and trucks. In it they mention Bolinder-Munktell tractors. Because Sweden was an oil importing country they had to try and come up with creative ways to try and fuel their tractors, even wood burning and I don't mean using a steam engine. Apparently the B/M tractors used a two stroke hot bulb engine until the 1950's. It doesn't say what kind of fuel was used in the hot bulb engines.
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Jack of all trades, master of none
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Brian Jasper co. Ia
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Joined: 11 Sep 2009
Location: Prairie City Ia
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Posted: 22 Mar 2010 at 11:29am |
If I could find my copy of Nebraska Tractor Tests Since 1920, I'm pretty sure they tested them under both the B-M and Volvo names.
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"Any man who thinks he can be happy and prosperous by letting the government take care of him better take a closer look at the American Indian." Henry Ford
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Creek Jenkins
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Location: Northern Minn
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Posted: 22 Mar 2010 at 12:11pm |
Here is a pic of the little BM10: 
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Creek Jenkins
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Posted: 22 Mar 2010 at 12:13pm |
Side view and data  :
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Creek Jenkins
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Posted: 22 Mar 2010 at 12:16pm |
 The BM10 I think was kinda designed with the same intent as the B - for small farmers to replace their horses. The hot bulb engine is evidently similar to a glow plug diesel. The bulb is heated up by an external source for starting (early versions looked they had a gas torch?) then evidently the heat of combustion keeps the bulb hot and the external heat is shut off. Here is the complete data sheet, its a bit hard to read. Designed by a German?
Edited by Creek Jenkins - 22 Mar 2010 at 12:22pm
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injpumpEd
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Joined: 13 Sep 2009
Location: Walnut IL
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Posted: 22 Mar 2010 at 12:27pm |
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I think Field Marshall tractors operate on this principle too. Interesting concept.
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210 "too hot to farm" puller, part of the "insane pumpkin posse". Owner of Guenther Heritage Diesel, specializing in fuel injection systems on heritage era tractors. stock rebuilds to all out pullers!
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