The Yanmar SA426 tractor has multiple listed tire configurations, including 23×8.50-12 at the front and 36×13.50-15 at the rear. Use the table to match the tractor’s agricultural, turf, industrial and 2WD/4WD setup.
Yanmar SA426 Tire Size Chart
| Configuration | Tire size |
|---|---|
| Lawn/turf front | 23×8.50-12 | 220/55R12 |
| Lawn/turf rear | 36×13.50-15 | 280/70R18 |
| Industrial front | 23×8.50-12 |
| Industrial rear | 14-17.5 |
| Recommended tire pressure | The recommended tire pressure for the Yanmar SA426 is typically around 20-25 psi for the rear tires when not loaded; but it can vary based on load and conditions. Always consult the operator’s manual for the most accurate specifications. |
Match the complete sidewall size, rim diameter, axle position, 2WD/4WD configuration and tire type before ordering. On driven front axles, changing overall tire diameter can upset the required front-to-rear rolling ratio.
Tire Pressure
Pressure warning: Confirm the correct pressure in the official operator’s manual and the tire manufacturer’s load-and-pressure chart before inflation.
Wheelbase and Ground Clearance
| Wheelbase | 63 inches 160 cm |
|---|---|
| Ground clearance | 12.2 inches 30 cm |
These specifications are provided as a reference and may vary by production year, country, axle, wheel package and previous tire changes. Before purchasing, fitting or inflating tires, confirm the specifications using the Yanmar official U.S. website, the official operator’s manual and the markings on the tires currently fitted.






