Overview
The Aultman & Taylor 15-30 is a 2WD farm tractor manufactured in Mansfield, Ohio, from 1919 to 1923. This 8,240-pound machine is powered by an 8.4L Climax four-cylinder gasoline engine and features a single-speed transmission providing one forward and one reverse gear. Equipped with steel wheels, it stands 104 inches high and has a total length of 176 inches.
Ideal Applications
Tested Power Output:
According to Nebraska Tractor Test 31, the 510.5 ci engine produced a maximum of 34.37 hp at the belt and 21 hp at the drawbar while operating at 900 rated RPM.
Fuel and Cooling Capacities:
The liquid-cooled engine configuration includes a 16-gallon main fuel tank, a 6-gallon auxiliary tank, and a 20-quart coolant capacity.
Chassis and Wheel Dimensions:
The tractor is built on a 98.5-inch wheelbase with steel ag tires measuring 36x5 inches in the front and 70x12 inches in the rear.
Production
| Description | Built in Mansfield, Ohio, United States |
|---|---|
| Manufacturer | Aultman & Taylor |
Engine
| Aux. fuel | 6 gal (22.7 L) |
|---|---|
| Engine type | Climax 8.4L 4-cyl gasoline |
| Fuel tank | 16 gal (60.6 L) |
| Bore/Stroke | 5.00x6.50 inches (127 x 165 mm) |
| Coolant capacity | 20 qts (18.9 L) |
| Description | Climax / gasoline / 4-cylinder / liquid-cooled |
| Displacement | 510.5 ci (8.4 L) |
| Rated RPM | 900 |
| Belt (tested) | 34.37 hp (25.6 kW) |
| Drawbar (tested) | 21 hp (15.7 kW) |
| PTO (tested) | 30.4 hp (22.7 kW) |
Transmission
| Gears | 1 forward and reverse |
|---|---|
| Transmission type | 1-speed |
Mechanical
| Drive type | Two-wheel drive |
|---|
Dimensions & Tires
| Ag front | 36x5 (steel) |
|---|---|
| Ag rear | 70x12 (steel) |
| Height | 104 inches (264 cm) |
| Length | 176 inches (447 cm) |
| Weight | 8,240 lbs (3737 kg) |
| Wheelbase | 98.5 inches (250 cm) |
| Front tire | 36x5 |
| Rear tire | 70x12 |
| Weight | 8,240 lbs (3737 kg) |
| Wheelbase | 98.5 inches (250 cm) |
Nebraska Tractor Test 31
| Belt fuel use (max) | 5.9 gal/hour (22.3 l/hour) |
|---|---|
| Belt power (max) | 34.37 hp (25.6 kW) |
| Description | Gasoline July 1920 / PTO performance / Drawbar performance |
| Fuel use | 4.1 gal/hour (15.5 l/hour) |
| Max power | 21 hp (15.7 kW) |
| Power at rated engine speed | 30.4 hp (22.7 kW) |