Overview
The Hart-Parr Oil King 23-35 is a 12,000-pound farm tractor produced in Charles City, Iowa, from 1916 to 1919. It is powered by a 12.9L single-cylinder liquid-cooled kerosene engine with a claimed belt rating of 35 hp and a drawbar rating of 23 hp. The mechanical configuration includes a two-wheel drive system, a two-speed gear transmission, and an open-sided steel canopy.
Ideal Applications
Engine Specifications:
The tractor features a 785.4 ci single-cylinder engine with a 10.00x10.00 inch bore/stroke and a 120-quart coolant capacity, designed to run at a rated 500 RPM.
Mechanical and Transmission Layout:
This two-wheel drive model is equipped with a gear transmission offering two forward speeds and one reverse speed.
Physical Dimensions and Capacity:
Listed at a weight of 12,000 lbs, the machine measures 125 inches in height and 107.75 inches in length, and is equipped with a 30-gallon fuel tank.
Production
| Description | Built in Charles City, Iowa |
|---|---|
| Manufacturer | Hart-Parr |
Engine
| Engine type | Hart-Parr 12.9L 1-cyl kerosene |
|---|---|
| Fuel tank | 30 gal (113.6 L) |
| Bore/Stroke | 10.00x10.00 inches (254 x 254 mm) |
| Coolant capacity | 120 qts (113.6 L) |
| Description | Hart-Parr / kerosene / 1-cylinder / liquid-cooled |
| Displacement | 785.4 ci (12.9 L) |
| Rated RPM | 500 |
| Belt (claimed) | 35 hp (26.1 kW) |
| Drawbar (claimed) | 23 hp (17.2 kW) |
Transmission
| Gears | 2 forward and 1 reverse |
|---|---|
| Transmission | gear |
| Transmission type | 2-speed |
Mechanical
| Description | Open sided steel canopy. |
|---|---|
| Drive type | Two-wheel drive |
Dimensions & Tires
| Height | 125 inches (317 cm) |
|---|---|
| Length | 107.75 inches (273 cm) |
| Weight | 12,000 lbs (5443 kg) |
| Width | 72 inches (182 cm) |
| Weight | 12,000 lbs (5443 kg) |