Hart-Parr 20
Power
22 hp[B] hp
Production
1920-1924
Engine
2-cylinder
Transmission
Gear
Weight
4440 lbs [2013 kg]
Drive
2WD
Introduction
Hart-Parr 20 Standard-Tread Tractor
The Hart-Parr 20 is a classic agricultural tractor produced between 1920 and 1924 in Charles City, Iowa, USA. As a standard-tread machine, it represents a significant era in early 20th-century farm mechanization.
Engine Specifications
The tractor is powered by a two-cylinder, liquid-cooled engine with a displacement of 309 cubic inches (5.1 liters). It operates at a rated speed of 800 RPM, with a bore and stroke configuration of 5.50 by 6.50 inches. Starting with serial number 35501, a larger engine variant was integrated into the 20C model.
Transmission and Drivetrain
The drivetrain utilizes a manual transmission system consisting of two forward gears and one reverse gear. Power is delivered to the ground through a two-wheel drive system, utilizing bull gear final drives for durability during field operations.
Mechanical Configuration
Designed for manual operation, the tractor features a manual steering system and an open operator station. It is equipped with steel agricultural wheels, measuring 28x5 inches at the front and 46x10 inches at the rear. The total operating weight of the machine is 4,440 lbs (2,013 kg).
Conclusion
With an original retail price of $1,195 in 1924, the Hart-Parr 20 was designed as a reliable utility tractor for its time. Today, it remains a significant piece of agricultural history, primarily suited for collectors and historical exhibition purposes.
Production Information of Hart-Parr, 20
- Original price was $1,195 in 1924
- Standard-tread tractor
- Built in Charles City, Iowa, USA
| Manufacturer | Hart-Parr |
|---|
Dimension and Tires Information of Hart-Parr, 20
| Weight | 4440 lbs [2013 kg] |
|---|
| Ag front | 28x5 steel |
|---|---|
| Ag rear | 46x10 steel |
Engine Specifications of Hart-Parr, 20
- Hart-Parr
- The larger engine was used in the model 20C beginning at tractor serial number 35501.
- 2-cylinder
- Liquid-cooled
| Rated RPM | 800 |
|---|---|
| Displacement | 309 ci [5.1 L] |
| Bore/Stroke | 5.50x6.50 inches [140 x 165 mm] |
Transmission Information of Hart-Parr, 20
Transmission variants 1
| Type | Gear |
|---|---|
| Gears | 2 forward and 1 reverse |
Mechanical Specs of Hart-Parr, 20
- Two-wheel drive
- Open operator station.
- Manual steering
| Final drives | Bull gear |
|---|
Power Information of Hart-Parr, 20
- Https://www.tractordata.com/farm-tractors/002/9/5/2950-hart-parr-20-tests.html
Where it sits
With 22 hp[B] HP, the Hart-Parr 20 sits just below Little Devil 25-22 (24 HP) in Hart-Parr's range. Its power puts it in the 20th percentile of 1920s models in our database (181 machines).
Frequently asked questions
How much horsepower does the Hart-Parr 20 have?
The Hart-Parr 20 delivers 22 hp[B] HP.
What years was the Hart-Parr 20 produced?
The Hart-Parr 20 was produced in 1920-1924.
What engine does the Hart-Parr 20 have?
The Hart-Parr 20 is powered by a 2-cylinder engine.
What transmission does the Hart-Parr 20 use?
The Hart-Parr 20 uses a Gear transmission.
How much does the Hart-Parr 20 weigh?
The Hart-Parr 20 weighs 4440 lbs [2013 kg].
Is the Hart-Parr 20 4WD?
The Hart-Parr 20 is available in 2WD.