To solve an inconvenience in a walking type plant husbandry machine wherein a disk shaped fender for preventing mud from being splashed by a rotary claw, and an engine on a transmission case are equipped and that engine lubricating oil is flowed onto the fender in a wide range when extracting the engine lubricating oil from an oil discharge port of the engine for exchange.

Ribs 20L and 20R are provided so as to face each other on the front side part 4a of the fender 4 protruding forward from the engine 5. Thus, a flowing passage R for the engine lubricating oil is formed, which is used when the engine lubricating oil of the engine 5 is extracted from an oil discharge port.