Allis-Chalmers D15 Tractor
The Allis-Chalmers D15 is a 40 PTO hp, two-wheel-drive row-crop tractor suited to light and medium farm work. It replaced the D14 and was offered with gasoline, LP-gas, or diesel power.
Allis-Chalmers D15 specifications
| Production years | 1960-1968 |
|---|---|
| Engine | 2.4L 4-cylinder gasoline or LP-gas; 2.9L 4-cylinder diesel |
| Power | 40.0 hp PTO claimed; 35.33 hp drawbar tested |
| Transmission | 8-speed Power Director partial power shift, or 4-speed shuttle |
| Weight, approx. | 3,985-4,220 lb |
| Fuel type | Gasoline, LP-gas, or diesel |
| PTO | Live rear 540 rpm |
| Hitch | Snap-Coupler; Category I/II rear hitch |
What the D15 is used for
The D15 is a practical choice for mowing, raking, light tillage, cultivating, and operating modest 540-rpm implements. Its size and power suit small acreage and period-correct farm work.
The Power Director version is especially useful where a lower on-the-move range is helpful. It remains a two-wheel-drive tractor with an open operator station, so it is best matched to level ground and sensible ballast.
Why the Allis-Chalmers D15 stands out
The D15 combines straightforward mechanical design, live PTO, and a useful Power Director transmission option in a compact row-crop package. Gasoline, LP-gas, and diesel versions give collectors and working owners distinct choices.
Buying a used Allis-Chalmers D15
Confirm the engine fuel type and test the Power Director through high, low, and neutral under load if fitted. Inspect the Snap-Coupler components, PTO operation, brakes, steering, rear tire condition, and the torque-housing serial number; verify that the tractor is a farm D15 rather than an industrial D-15.
Allis-Chalmers D15 frequently asked questions
How much PTO power does an Allis-Chalmers D15 have?
The D15 was rated at 40.0 PTO hp; a gasoline Nebraska test also recorded 40.00 PTO hp at rated engine speed.
Did the D15 have a live PTO?
Yes. Farm D15 tractors used a live 540-rpm rear PTO.
What engines were available in the D15?
It was offered with a 2.4L four-cylinder gasoline engine, a 2.4L four-cylinder LP-gas engine, or a 2.9L four-cylinder diesel.
Specifications are commonly cited figures for general reference; exact figures vary by year and serial number, so confirm against TractorData.com and the machine's records. Values and prices of used tractors vary by condition and region. Page updated Aug 4, 2026.