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Tractor · 1930Unverified

Hart-Parr Row Crop 18-27

Name: Hart-Parr Row Crop 18-27
Brand: Hart-Parr

Hart-Parr Row Crop 18-27 — Row-Crop tractor · 18 hp. Reference specifications; pending source verification.

The Hart-Parr Row Crop 18-27 is a compact tractor with an 18 hp rating, situated within its class. Manufactured from 1930 to 1935, this model features a 4-cylinder liquid-cooled engine, with power transmission via two-wheel drive and a 3-speed gearbox. The tractor has a listed weight of 1587 kg and is suited for operations covering up to 200 acres.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power

18 hp

Max power

13.5 kW

Weight

1587 kg

Catalogue coverage

Variants represented

Richest spec table

43 rows

Recorded power

18 hp

Recorded weight

1587 kg

Transmissions

3-speed gear

Production years

1930-1935

Verified variants

No linked source document is currently displayed; verify critical figures with the manufacturer or dealer.

Hover a source tag to verify

Overview

ManufacturerHart-Parr (a part of Oliver)Reference

Row-Crop tractorReference

Built in Charles City, Iowa, USAReference

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.Reference

Two-wheel driveReference

Final drivesspur gearReference

Manual steeringReference

Open operator station.Reference

Variants

18-27row-cropReference

18-28standardReference

Engine

Oliver 4.6L 4-cyl keroseneReference

Drawbar (claimed)13.4 kWReference

Belt (claimed)20.1 kWReference

Plows2-3 (14-inch)Reference

Drawbar (tested)13.5 kWReference

Belt (tested)22.2 kWReference

OliverReference

keroseneReference

4-cylinderReference

liquid-cooledReference

Displacement4.6 LReference

Bore/Stroke105 x 133 mmReference

Belt power (max)22.2 kWReference

Max power13.5 kWReference

Transmission

3-speed gearReference

TypegearReference

Gears3 forward and 1 reverseReference

Dimensions

Weight1587 kgReference

Length317 cmReference

Width203 cmReference

Height162 cmReference

Rear tread152 to 187 cmReference

Capacities

Diameter36 cmReference

Width19 cmReference

RPM700Reference

Speed795.53 meters/minReference

Test results

Kerosene 3-speed 2WDApril 14 - 24, 1930Link: Nebraska Tractor Test 176 fileReference

Belt fuel use (max)11.7 l/hourReference

Drawbar performanceReference

Fuel use9.1 l/hourReference

Gear 2 used for power test.Reference

Max pull1661 kgReference

Gear 1 used for pull test.Reference

Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.

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