Overview
The Hart-Parr Little Devil 25-22 is a farm tractor manufactured in Charles City, Iowa, from 1914 to 1916. This 2WD model is powered by a 5.5L 2-cylinder liquid-cooled kerosene engine and features a 2-speed gear transmission. It is rated with a claimed belt power of 22 hp and a drawbar power of 15 hp, with a total production count of 725 units.
Ideal Applications
Engine and Fuel Configuration:
The tractor is equipped with a 332.6 ci kerosene engine rated at 600 RPM with a 23.75-gallon fuel capacity and a 53-quart coolant system.
Power Output Ratings:
Manufacturer specifications list the machine at 22 hp for belt operations and 15 hp for drawbar tasks.
Physical Dimensions and Drive:
This 6647-lb tractor features a two-wheel drive system and measures 104 inches in length by 95.5 inches in width.
Production
| Description | Built in Charles City, Iowa |
|---|---|
| Manufacturer | Hart-Parr |
| Total built | 725 |
Engine
| Engine type | Hart-Parr 5.5L 2-cyl kerosene |
|---|---|
| Fuel tank | 23.75 gal (89.9 L) |
| Bore/Stroke | 5.50x7.00 inches (140 x 178 mm) |
| Coolant capacity | 53 qts (50.2 L) |
| Description | Hart-Parr / kerosene / 2-cylinder / liquid-cooled |
| Displacement | 332.6 ci (5.5 L) |
| Rated RPM | 600 |
| Belt (claimed) | 22 hp (16.4 kW) |
| Drawbar (claimed) | 15 hp (11.2 kW) |
Transmission
| Gears | 2 forward and 1 reverse |
|---|---|
| Transmission | gear |
| Transmission type | 2-speed |
Mechanical
| Drive type | Two-wheel drive |
|---|
Dimensions & Tires
| Height | 84 inches (213 cm) |
|---|---|
| Length | 104 inches (264 cm) |
| Weight | 6647 lbs (3015 kg) |
| Width | 95.5 inches (242 cm) |
| Weight | 6647 lbs (3015 kg) |
Little Devil 25-22 Serial Numbers
| 1914 | 6219 |
|---|---|
| 1915 | 6245 |
| 1916 | 6244 |
| Description | FAQ: How to read a serial number table. |