Patent ID: 7421917

Claim:
A tractor with a PTO apparatus, comprising: a plurality of wheels; a vehicle body supported by said plurality of wheels; an engine supported on said vehicle body; a rear PTO shaft disposed at a rear of said vehicle body for transmitting power from said engine; a mid-PTO shaft disposed under said vehicle body for transmitting power from said engine; a PTO mode selecting device having a first position for transmitting power only to said rear PTO shaft, a second position for transmitting power to both said rear PTO shaft and said mid-PTO shaft, and a third position for transmitting power only to said mid-PTO shaft; a PTO clutch disposed on a transmission line upstream of said PTO mode selecting device and switchable between an engaged position and a disengaged position; and a restricting mechanism for preventing a change operation of said PTO mode selecting device when said PTO clutch is in the engaged position, and permitting the change operation of said PTO mode selecting device when said PTO clutch is in the disengaged position.