Hart-Parr 28-50 tractor specifications

1927 - 1930

1927 - 1930 Standard-tread tractor

Production

Production Manufacturer:Hart-Parr
Type:Standard-tread tractor
Factory:Charles City, Iowa, USA
Original price:$2,085 (1930 )

Hart-Parr 28-50 Power

Hart-Parr 28-50 Power Drawbar (claimed):28 hp
20.9 kW
Belt (claimed):50 hp
37.3 kW
Drawbar (tested):46.03 hp
34.3 kW
Belt (tested):64.56 hp
48.1 kW
power test details ...

1927 - 1930

Standard-tread tractor

Nebraska Tractor Test 140

Nebraska Tractor Test 140
Kerosene 2-speed 2WD August 17 - 31, 1927 Link: Nebraska Tractor Test 140 file
Belt power (max):	64.56 hp 48.1 kW
Drawbar performance
Max power:	46.03 hp 34.3 kW
Max pull:	7347 lbs 3332 kg

Hart-Parr 28-50 Engine

Hart-Parr 28-50 Engine Hart-Parr 11.1L 4-cyl gasoline Engine details ...

1927 - 1930

Standard-tread tractor

Engine Detail

Engine Detail
Hart-Parr
gasoline
4-cylinder
liquid-cooled
Displacement:	675.1 ci 11.1 L
Bore/Stroke:	5.75x6.50 inches 146 x 165 mm
Air cleaner:	dry
Rated RPM:	850