<p>Ease of assembly and maintenance of a machine body is excellently achieved. A tractor in which a transmission is provided behind an engine such that they are engaged and continuous from each other, an operation section is provided above the transmission, and a lifting mechanism is provided at the transmission. A hydraulic oil tank for containing hydraulic oil for operating at least the lifting mechanism is placed below a step provided at the operation section. A space as a dead space can be effectively used and ease of assembly and maintenance of a machine body is excellently achieved.</p>
