Lauson Small Engines

My Collection - Third Generation Engines




SLV-23

Watch video of my SLV-23 in operation

click an image of a renovated engine on the left to get a larger photo


This engine and the slightly larger model VA of the same design are the most progressive engines that were designed and manufactured by Lauson before Tecumseh purchased the company in January, 1956. It and the model VA are the last engine design that is “all Lauson”. Tecumseh continued to use the Lauson name for several years after the purchase of the Lauson Manufacturing Company and continued to label the engines they designed and produced with the “Lauson” brand; however, these engines are early Tecumseh engines and were not a product or at least brought to market by the Lauson Manufacturing Company.

In 1954, less than two years before Tecumseh acquired the company, Lauson introduced this model SLV (Super Light Vertical) engine and shortly afterwards, a slightly larger version of the model SLV, the model VA. Both these engines were alloy block, vertical shaft engines of a design that was a radical departure from that which Lauson had been building up to that point. These engines were “thoroughly modern” engines for their time and were well engineered; complete with a pressurized lubrication system. These engine sport sleeve main bearings as opposed to ball bearing mains and an air vane governor, the first (and only) Lauson to have such. The gas tank is integrated into the blower housing, which is also a departure for Lauson, who had retained the standard cylindrical tank for nearly all of their float carburetor engines to this point. The engine also sports a cast iron cylinder sleeve. This engine is a little engineering jewel.

I acquired this engine from an ebay auction. I provide a "before" picture of this engine as well as pictures of it after it's renovation.


VA-7

Watch video of my VA-7 in operation

click an image of a renovated engine on the left to get a larger photo


The VA is a slightly larger version of the SLV; having a larger bore and producing 2 1/2 HP. This engine was first brought to market a few months after Tecumseh purchased Lauson.

I acquired this engine from an ebay auction. I provide a "before" picture of this engine as well as pictures of it after it's renovation.


Tecumseh V-20

Watch video of my V-20 in operation

click an image of a renovated engine on the left to get a larger photo


Don't confuse this Tecumseh V-20 alloy block engine with the cast iron V-1 through V-15 engines Lauson produced in the early 1950's. They were completely different engine models.

The V-20 is an early Tecumseh engine, built as early as late 1957 and through into the late 1960's. It is the next progression of the SLV and VA engines that Lauson produced just before Lauson was purchased by Tecumseh in early 1956.

I normally wouldn't have a Tecumseh engine included in my Lauson colection, but I thought it would be intresting to have spectators at the engine shows see where Tecumseh went with the early Lauson vertical designs.

I acquired this engine from an eBay auction.


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