The Yanmar YM1900 tractor is listed with a 4.00-12 front tire and a 9.8/8-24 rear tire.
Yanmar YM1900 Tire Size Chart
Configuration
Tire size
Agricultural front
4.00-12
Agricultural rear
9.8/8-24
Before buying replacement tires
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.
Wheelbase and Ground Clearance
Wheelbase
58.7 inches 149 cm
Ground clearance
13.1 inches 33 cm
Specification disclaimer
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.
