Introduction
New Hart-Parr Standard-tread Tractor
The New Hart-Parr is a standard-tread tractor produced by Hart-Parr in Charles City, Iowa, between 1918 and 1919. It belongs to the 30 series, manufactured from 1919 to 1924, representing an early advancement in agricultural mechanization.
Engine and Performance
The tractor is powered by a liquid-cooled, two-cylinder gasoline engine with a displacement of 464.6 cubic inches (7.6 liters). It operates at a rated speed of 750 RPM, with a bore and stroke of 6.50 by 7.00 inches. The engine delivers a claimed drawbar power of 15 hp (11.2 kW) and a belt power of 30 hp (22.4 kW), providing sufficient output to operate up to three plows.
Transmission and Mechanical Systems
The drivetrain utilizes a gear-type transmission providing two forward speeds and one reverse speed. Power is delivered to the wheels through bull gear final drives. Steering is performed via a manual system, and the machine is configured as a two-wheel drive model.
Dimensions and Construction
The New Hart-Parr features an open operator station and is built on a standard-tread chassis. It measures 138 inches (350 cm) in length, 75 inches (190 cm) in width, and 60 inches (152 cm) in height. The tractor weighs 5,158 lbs (2,339 kg) and is equipped with steel agricultural wheels, featuring 28x5 front tires and 52x10 rear tires.
Conclusion
The New Hart-Parr is a representative example of early 20th-century agricultural engineering. Designed for primary tillage and belt-driven stationary work, it offers a robust configuration suitable for the farming requirements of its era.
Production Information of Hart-Parr, New Hart-Parr
- Standard-tread tractor
- Built in Charles City, Iowa, USA
| Manufacturer | Hart-Parr |
|---|
Dimension and Tires Information of Hart-Parr, New Hart-Parr
| Length | 138 inches [350 cm] |
|---|---|
| Weight | 5158 lbs [2339 kg] |
| Width | 75 inches [190 cm] |
| Height | 60 inches [152 cm] |
| Ag front | 28x5 (steel) |
|---|---|
| Ag rear | 52x10 (steel) |
Engine Specifications of Hart-Parr, New Hart-Parr
- Hart-Parr
- Liquid-cooled
- Gasoline
- 2-cylinder
| Rated RPM | 750 |
|---|---|
| Displacement | 464.6 ci [7.6 L] |
| Bore/Stroke | 6.50x7.00 inches [165 x 178 mm] |
Transmission Information of Hart-Parr, New Hart-Parr
Transmission variants 1
| Type | Gear |
|---|---|
| Gears | 2 forward and 1 reverse |
Mechanical Specs of Hart-Parr, New Hart-Parr
- Two-wheel drive
- Open operator station.
- Manual steering
| Final drives | Bull gear |
|---|
Power Information of Hart-Parr, New Hart-Parr
| Drawbar (claimed) | 15 hp [11.2 kW] |
|---|---|
| Belt (claimed) | 30 hp [22.4 kW] |
| Plows | 3 |
Where it sits
Its power puts it in the 66th percentile of 1910s models in our database (158 machines).
Frequently asked questions
How much horsepower does the Hart-Parr New Hart-Parr have?
The Hart-Parr New Hart-Parr delivers 33 hp[B] HP.
What years was the Hart-Parr New Hart-Parr produced?
The Hart-Parr New Hart-Parr was produced in 1918-1919.
What engine does the Hart-Parr New Hart-Parr have?
The Hart-Parr New Hart-Parr is powered by a Gasoline, 2-cylinder engine.
What transmission does the Hart-Parr New Hart-Parr use?
The Hart-Parr New Hart-Parr uses a Gear transmission.
How much does the Hart-Parr New Hart-Parr weigh?
The Hart-Parr New Hart-Parr weighs 5158 lbs [2339 kg].
Is the Hart-Parr New Hart-Parr 4WD?
The Hart-Parr New Hart-Parr is available in 2WD.