Hart-Parr Row Crop 18-27
The Hart-Parr Row Crop 18-27 is a tractor produced by Hart Parr. It is equipped with a 280.6 ci 4.6 L engine. The rated power output is 29.72 hp 22.2 kW. Transmission: 3 forward and 1 reverse. Operating weight: 3500 lbs 1587 kg.
Engine Power
29.72 hp
22.2 kW
Fuel & Capacities
Kerosene
Transmission
3 forward and 1 reverse
Operating Weight
3500 lbs
1587 kg
Hart Parr Hart-Parr Row Crop 18-27 Serial Number & Year Decoder
Find the exact manufacture year of your tractor by checking your chassis serial number below.
Where to Find the Serial NumberThe serial number plate is commonly located on the front frame, tractor transmission housing (right side), or instrument panel badge.
Overview
 | 1930 - 1935
Row-Crop tractor |
|---|---|
1930 - 1935 | |
Row-Crop tractor | |
Production | |
|---|---|
Manufacturer | Hart-Parr (a part of Oliver) |
Row-Crop tractor | |
Built in Charles City, Iowa, USA | |
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. | |
Variants | |
|---|---|
18-27 | row-crop |
18-28 | standard |
Hart-Parr Row Crop 18-27 Engine | |
|---|---|
Oliver 4.6L 4-cyl kerosene | |
Engine details ...  |
Hart-Parr Row Crop 18-27 Transmission | |
|---|---|
3-speed gear | |
Transmission details ...  |
Hart-Parr Row Crop 18-27 Power | |
|---|---|
Drawbar (claimed) | 18 hp
13.4 kW |
Belt (claimed) | 27 hp
20.1 kW |
Plows | 2-3 (14-inch) |
Drawbar (tested) | 18.10 hp
13.5 kW |
Belt (tested) | 29.72 hp
22.2 kW |
Performance test details ...  | |
Mechanical | |
|---|---|
Two-wheel drive | |
Final drives | spur gear |
Manual steering | |
Open operator station. | |
Dimensions & Tires | |
|---|---|
Weight | 3500 lbs
1587 kg |
Full dimensions and tires ...  | |
Belt Pulley | |
|---|---|
Diameter | 14.5 inches
36 cm |
Width | 7.5 inches
19 cm |
RPM | 700 |
Speed | 2610 ft/min
795.53 meters/min |
Engine
Engine Detail — 280.6 ci / 4.6 L Kerosene
Manufacturer | Oliver |
Fuel Type | Kerosene |
Configuration | 4-cylinder, liquid-cooled |
Displacement | 280.6 ci
4.6 L |
Bore/Stroke | 4.125x5.25 inches
105 x 133 mm |
Transmission
Transmission — 3 forward and 1 reverse gear
Type | gear |
Gears | 3 forward and 1 reverse |
 | |
Dimensions
Hart-Parr Row Crop 18-27 Tires |
|---|
Dimensions | |
|---|---|
Length | 125 inches
317 cm |
Width | 80 inches
203 cm |
Height | 64 inches
162 cm |
Weight | 3500 lbs
1587 kg |
Rear tread | 60 to 74 inches
152 to 187 cm |
Tests
Nebraska Tractor Test 176 | |
|---|---|
Kerosene 3-speed 2WD
April 14 - 24, 1930
Link: Nebraska Tractor Test 176 file | |
Belt power (max) | 29.72 hp
22.2 kW |
Belt fuel use (max) | 3.1 gal/hour
11.7 l/hour |
Drawbar performance | |
Max power | 18.10 hp
13.5 kW |
Fuel use | 2.4 gal/hour
9.1 l/hour |
Gear 2 used for power test. | |
Max pull | 3664 lbs
1661 kg |
Gear 1 used for pull test. | |
Photos
Hart-Parr Row Crop 18-27 on steel wheels.
Hart-Parr Row Crop 18-27 on steel wheels.
Hart-Parr Row Crop 18-27 on steel wheels.
Hart-Parr Row Crop 18-27 with rubber tires.
Hart-Parr Row Crop 18-27 with rubber tires.
Wide-front Hart-Parr Row Crop 18-27.
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