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Hart-Parr 12-24

Hart-Parr 12-24 tractor
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The Hart-Parr 12-24 is a standard-tread farm tractor produced from 1924 to 1930 by Hart-Parr in Charles City, Iowa, USA. It was originally priced at $1,050 in 1930. The tractor features two engine options: a 5.1L and a 5.5L 2-cylinder liquid-cooled gasoline engine, both rated at 850 RPM. Power output ranges from 12 hp drawbar claimed to 26.97 hp belt tested. Transmission options include 2-speed and 3-speed gearboxes with forward and reverse gears. The tractor weighs 4440 lbs and rides on steel tires sized 28x5 front and 46x10 rear. It has two-wheel drive, manual steering, and an open operator station.
Hart-Parr 12-24tractorspecificationsenginetransmissionpowerdimensionsfarm tractor
Power26 hp[B]
Founded1924 - 1930
Model12-24

Technical Specifications

Detailed specifications and technical data for Hart-Parr 12-24

Power

Belt (tested):26.97 hp (20.1 kW)
Belt (claimed):24 hp (17.9 kW)
Drawbar (tested):17.54 hp (13.1 kW)
Drawbar (claimed):12 hp (8.9 kW)

Tires

Rear tire:46x10 (steel)
Front tire:28x5 (steel)

Engine

Cooling:liquid-cooled
Cylinders:2-cylinder
Fuel type:gasoline
Engine options:Hart-Parr 5.1L 2-cyl gasoline, Hart-Parr 5.5L 2-cyl gasoline
Hart-Parr 5.1L 2-cyl gasoline:Displacement 308.9 ci (5.1 L), Bore/Stroke 5.50x6.50 inches (140 x 165 mm), Rated RPM 850
Hart-Parr 5.5L 2-cyl gasoline:Displacement 337.6 ci (5.5 L), Bore/Stroke 5.75x6.50 inches (146 x 165 mm), Rated RPM 850

Dimensions

Width:66 inches (167 cm)
Height:56 inches (142 cm)
Length:116 inches (294 cm)
Weight:4440 lbs (2013 kg)

Mechanical

Drive:Two-wheel drive
Steering:Manual steering
Operator station:Open operator station

Production

Type:Standard-tread tractor
Built in:Charles City, Iowa, USA
Manufacturer:Hart-Parr
Original price:$1,050 in 1930
Years produced:1924 - 1930

Transmission

2-speed gear:Type gear, Gears 2 forward and 1 reverse
3-speed gear:Type gear, Gears 3 forward and 1 reverse
Transmission options:2-speed gear, 3-speed gear