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Hart-Parr 40-80

Hart-Parr 40-80 tractor
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The Hart-Parr 40-80 was produced from 1908 to 1909 by Hart-Parr in Charles City, Iowa, USA. Only 10 units were built. It was introduced at the Minnesota State Fair in 1908. The tractor is powered by a large 54.2L 4-cylinder kerosene engine producing 110 hp. It features 2WD manual steering and weighs 34,000 lbs. The rear tires are large steel 98x28 size. The tractor was designed for heavy farm work with a claimed drawbar power of 40 hp and belt power of 80 hp.
Hart-Parr 40-80tractorfarm tractorspecificationsenginepowerdimensions2WDkerosene engine
Power110 hp
Founded1908 - 1909
Model40-80

Technical Specifications

Detailed specifications and technical data for Hart-Parr 40-80

Power

Engine power:110 hp (82.0 kW)
Belt (claimed):80 hp (59.7 kW)
Drawbar (claimed):40 hp (29.8 kW)

Tires

Rear tire:98x28 (steel)

Engine

Fuel:kerosene
Type:Hart-Parr 54.2L 4-cyl kerosene
Power:110 hp (82.0 kW)
Cooling:liquid-cooled
Cylinders:4-cylinder
Bore/Stroke:9.00x13.00 inches (229 x 330 mm)
Displacement:3309.4 ci (54.2 L)

Dimensions

Weight:34,000 lbs (15422 kg)

Mechanical

Drive:2WD
Steering:manual

Production

Notes:The Hart-Parr model 40-80 was introduced at the Minnesota State Fair in 1908.
Built in:Charles City, Iowa, USA
Total built:10
Manufacturer:Hart-Parr
Production years:1908 - 1909