Hart-Parr

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.
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 tire51x12 (steel)
Front tire28x5 (steel)
Engine
TypeHart-Parr 8.2L 2-cyl gasoline
Detailsgasoline, 2-cylinder, liquid-cooled
Rated RPM800
Air cleanerdry centrifugal
Bore/Stroke6.75x7.00 inches (171 x 178 mm)
Fuel systemStromberg MB3 carburetor
Displacement501 ci (8.2 L)
Dimensions
Weight6100 lbs (2766 kg)
Mechanical
DriveTwo-wheel drive
Steeringmanual
Operator stationOpen operator station
Production
TypeStandard-tread tractor
NotesThe 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 inCharles City, Iowa, USA
ManufacturerHart-Parr
Original price$1350 (1930)
Years produced1926 - 1930
Transmission
Typegear
Clutchdry disc
Options2-speed gear, 3-speed
Gears (2-speed option)2 forward and 1 reverse
Gears (3-speed option)3 forward and 1 reverse