FOUR-WHEEL DRIVE TRACTOR FOR AGRICULTURE

摘要

PROBLEM TO BE SOLVED: To provide an agricultural four-wheel drive tractor to whose rear body portion a ground working machine is liftably connected and which has improved turning operability at the edge of a ride and enables an arbitrary operation for lifting or lowering the ground working machine by a worker. SOLUTION: This four wheel drive tractor for agriculture, provided with an operation means for automatically upward operating an actuator 57 for a ground working machine 56, when a front wheel speed-changing device is switched from a standard state into an accelerated state and when a side brake on the inside of the turning is switched into a weak braked state with a power steering mechanism, and capable of arbitrarily lifting or lowering the ground working machine 56 by the operation of a lifting lever 61 or a lifting switch 62.