Lawn mower having a steering handle switchable between a walking mode and a riding mode

A lawn mower for use in a walking mode and a riding mode, comprising:

• a chassis frame;
• an engine mounted on a rearward position of said chassis frame;
• at least one front wheel;
• driven rear wheel means;
• transmission means for transmitting drive from said engine to said rear wheel means, said transmission means including change speed means for changing speed of said rear wheel means;
• a grass cutting unit suspended from said chassis frame;
• a driver's seat mounted on said chassis frame;
• and
• control means for controlling said change speed means, and switchable between a first position for the walking mode, and a second position for the riding mode, said control means including:
• a cross pin mounted on said chassis frame;
• a handle post pivotable about said cross pin between said first position and said second position, said handle post including a vertical post portion extending laterally of the lawn mower, and a horizontal post portion curved from said vertical post portion to extend transversely of the lawn mower;
• and
• control lever means provided on said horizontal post portion.