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Hart-Parr 30

Hart-Parr 30 tractor
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The Hart-Parr 30 is a standard-tread farm tractor produced from 1919 to 1924 by Hart-Parr in Charles City, Iowa, USA. It features a 7.6L 2-cylinder liquid-cooled gasoline engine rated at 750 RPM, with a 2-speed gear transmission (2 forward and 1 reverse). The tractor delivers a claimed drawbar power of 15 hp and belt power of 30 hp, with tested drawbar and belt powers of 19.65 hp and 31.37 hp respectively. It has a two-wheel drive with bull gear final drives and manual steering, and an open operator station. The tractor weighs 5450 lbs and rides on steel tires sized 28x5 front and 52x10 rear. Originally priced at $1,395 in 1924, it was designed to pull 3 plows.
Hart-Parr 30tractorfarm tractorspecificationsenginetransmissionpowerdimensionsHart-Parr tractors
Power33 hp[B]
Founded1919 - 1924
Model30

Technical Specifications

Detailed specifications and technical data for Hart-Parr 30

Power

Plows:3
Belt (tested):31.37 hp (23.4 kW)
Belt (claimed):30 hp (22.4 kW)
Drawbar (tested):19.65 hp (14.7 kW)
Drawbar (claimed):15 hp (11.2 kW)

Tires

Rear tire:52x10 (steel)
Front tire:28x5 (steel)

Engine

Type:gasoline
Cooling:liquid-cooled
Cylinders:2-cylinder
Rated RPM:750
Bore/Stroke:6.50x7.00 inches (165 x 178 mm)
Displacement:464.6 ci (7.6 L)
Engine Detail:Hart-Parr 7.6L 2-cyl gasoline

Dimensions

Width:76 inches (193 cm)
Height:61 inches (154 cm)
Length:141 inches (358 cm)
Operating weight:5450 lbs (2472 kg)

Mechanical

Drive:Two-wheel drive
Steering:Manual steering
Final drives:bull gear
Operator station:Open operator station

Production

Type:Standard-tread tractor
Built in:Charles City, Iowa, USA
Manufacturer:Hart-Parr
Original price:$1,395 in 1924
Production years:1919 - 1924

Transmission

Type:gear
Gears:2 forward and 1 reverse

Related Models

Hart-Parr 16-30

Model:16-30

New Hart-Parr

Model:New Hart-Parr