Hart-Parr Row Crop 18-27: all source data

All 33 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.

Overview

Production
ManufacturerHart-Parr (a part of Oliver)
(no label)Row-Crop tractor
(no label)Built in Charles City, Iowa, USA
(no label)Introduced in 1930, the Oliver Hart-Parr Row Crop featured a single front wheel during the first two production years. In 1931, the design changed to use two front wheels.
Engine
(no label)Oliver 4.6L 4-cyl kerosene
Transmission
(no label)3-speed gear
Power
Drawbar (claimed)18 hp | 13.4 kW
Belt (claimed)27 hp | 20.1 kW
Plows2-3 (14-inch)
Drawbar (tested)18.10 hp | 13.5 kW
Belt (tested)29.72 hp | 22.2 kW
Mechanical
(no label)Two-wheel drive
Final drivesspur gear
(no label)Manual steering
(no label)Open operator station.
Dimensions
Weight3500 lbs | 1587 kg
Belt pulley
Diameter14.5 inches | 36 cm
Width7.5 inches | 19 cm
RPM700
Speed2610 ft/min | 795.53 meters/min

Engine

Engine detail
(no label)Oliver
(no label)kerosene
(no label)4-cylinder
(no label)liquid-cooled
Displacement280.6 ci | 4.6 L
Bore/Stroke4.125x5.25 inches | 105 x 133 mm

Transmission

Transmission
Typegear
Gears3 forward and 1 reverse

Dimensions

Dimensions
Length125 inches | 317 cm
Width80 inches | 203 cm
Height64 inches | 162 cm
Weight3500 lbs | 1587 kg
Rear tread60 to 74 inches | 152 to 187 cm