Hart-Parr 22-45 owner marks the centennial of what may be the oldest purpose-built tractor in the U.S.
Jerry Swedberg with one of his rare engines, a 1909 15 hp Fairbanks-Morse. The engine (no. 90009) has an 8-1/2-inch bore and 18-inch stroke.
Detail of Jerry Swedberg's Hart-Parr. The tractor appears never to have had a serial number. "Maybe they hadn't even started serial numbering them yet," Jerry muses.
A banner proclaiming the 100th anniversary of Jerry Swedberg's Hart-Parr 22-45 was draped on the machine at the Western Minnesota Steam Threshers Reunion at Rollag, Minn., where it was shown in 2006. Note the double tank for gasoline and kerosene.
Image by Nikki Rajala
Tanks designated for gasoline and kerosene are clearly shown on this rear view of the Hart-Parr 22-45.
The 1906 Hart-Parr 22-45 was steered by chains. Note the corrugated fin radiator. The finned radiator is filled with thin oil. Exhaust pipes terminate in the center of the radiator, inducing a draft.
The Hart-Parr shown at right looks exactly like Jerry Swedbergâ€šÃ"Ã´s 1906 Hart-Parr 22-45. The double gasoline-kerosene tank shown at far right is a defining feature.Image courtesy of Richard Birklid
An early Hart-Parr at work, pulling a stretch of loaded wagons. This tractor is very similar to Jerry Swedberg's, although the rear wheel spokes are different.
Jerry Swedberg's Hart-Parr. The Hart-Parr doesn't see much work any more. "I don't work hard and it shouldn't either," Jerry says with a laugh. "If you tore off a bearing on that old machine, or you screwed it up in some other way, you'd never forgive yourself."
Though this Hart-Parr has unusual spokes similar to those on Jerry Swedberg's 1906 Hart-Parr 22-45, and is working in a field in North Dakota, it is probably not the same exact tractor, as the gas tank is different and it appears the radiator is longer, suggesting it was a Hart-Parr 30-60 of the same era. Note the homemade seat, crafted of pieces of wood nailed together.
This is one of the earliest Hart-Parrs, sold in 1902. There are a few similarities between this one and Jerry Swedbergâ€šÃ"Ã´s 1906 model, especially in the finned radiator at back.