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Hart-Parr 18-36

The Hart-Parr 18-36 is a standard-tread farm tractor produced from 1926 to 1930 by Hart-Parr in Charles City, Iowa, USA. It features a Hart-Parr 8.2L 2-cylinder gasoline engine with liquid cooling and a Stromberg MB3 carburetor. The tractor was available with 2-speed or 3-speed gear transmissions and dry disc clutch. It delivers 18 hp drawbar power claimed and up to 32.2 hp tested, with belt power up to 42.85 hp tested. The tractor is two-wheel drive with manual steering and an open operator station. It weighs 6100 lbs and rides on steel wheels sized 28x5 front and 51x12 rear. Special export versions were outfitted for dry conditions with a different air cleaner and vertical exhaust.
Hart-Parr 18-36tractorspecificationsenginetransmissionpowerdimensionsfarm tractor
Power40 hp[B]
Founded1926 - 1930
Model18-36

Technical Specifications

Detailed specifications and technical data for Hart-Parr 18-36

Power

Belt (tested):42.85 hp (32.0 kW)
Belt (claimed):36 hp (26.8 kW)
Drawbar (tested):32.2 hp (24.0 kW)
Drawbar (claimed):18 hp (13.4 kW)

Tires

Rear tire:51x12 (steel)
Front tire:28x5 (steel)

Engine

Type:Hart-Parr 8.2L 2-cyl gasoline
Details:gasoline, 2-cylinder, liquid-cooled
Rated RPM:800
Air cleaner:dry centrifugal
Bore/Stroke:6.75x7.00 inches (171 x 178 mm)
Fuel system:Stromberg MB3 carburetor
Displacement:501 ci (8.2 L)

Dimensions

Weight:6100 lbs (2766 kg)

Mechanical

Drive:Two-wheel drive
Steering:manual
Operator station:Open operator station

Production

Type:Standard-tread tractor
Notes:The Hart-Parr 18-36 was exported as a New Zealand and Australia Special outfitted for dry conditions. A different air cleaner was used and the exhaust was vented straight up off the engine.
Built in:Charles City, Iowa, USA
Manufacturer:Hart-Parr
Original price:$1350 (1930)
Years produced:1926 - 1930

Transmission

Type:gear
Clutch:dry disc
Options:2-speed gear, 3-speed
Gears (2-speed option):2 forward and 1 reverse
Gears (3-speed option):3 forward and 1 reverse