Port Huron Products

| July 2005

Port Huron Engine & Thresher Co. manufactured threshers, sawing machinery, hay press balers, corn shellers, hauling wagons for steamers, water tanks for wagons, portable steam engines, combination roller and hauling steam traction engines and the Port Huron road roller. They also manufactured Port Huron simple-cylinder, compound, double-compound, Longfellow single and Longfellow double steam traction engines, among others. Each boiler was tested to 250 pounds with cold water, followed by 185 pounds of steam pressure.

Port Huron steam traction engine sizes included 19, 20, 22, 24, 25, 30 and 32 HP. The 19 HP was touted as "the most economical traction engine in the world." The 20 HP Longfellow-Port Huron single-cylinder steam traction engine used a high-pressure boiler and balanced piston valve. The 22 HP double-cylinder steam traction engines had a friction clutch and lock pin "providing for traction operation without use of the clutch," Norbeck writes in Encyclopedia of American Traction Engines.

The 25 HP Port Huron double-compound steam traction engine held 480 gallons of water. Front wheels were 60 inches in diameter, and the drive wheels 90 inches with a 34-inch face, including extensions. Port Huron claimed the 30 HP double-tandem compound Longfellow saved threshermen more than $150 a season because of its efficiency. "The double-tandem compound," Norbeck says, "was greatly superior to a cross-compound, in that it avoided the need of a receiving chamber between the two cylinders." The 32 HP Port Huron steam traction engine was designed for heavy plowing and heavy hauling on unimproved roadways. It could also be used for threshing.

Early Port Huron steam road rollers were called New York Huron Standards. The 32 HP Port Huron regular road roller with compound cylinder "was suitable for all roller work in the construction and finishing of plain macadam roads and tar macadam pavements," Norbeck explains, "and for rolling and compacting embankments, fills, sub grades, earth roads, gravel roads and shale roads. It also had sufficient power and equipment for hauling road-making materials and graders, or for driving rock crushers."


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