Bullmax 4 Stroke Post Driver powered by Honda 2024-05-27T12:52:58+10:00 The Bullmax BMPD-H35 Post Driver is the lightest 4 stroke post driver available in Australia. It is powered by the Honda GX35 Engine, developing 1 KW of power and 1.60NM of torque. It has been assembled and tested in Australia. View Product Post Drivers Share Facebook Twitter LinkedIn Google + Email