On the History (haha) Channel show Ax Men, there was one season were one of the crews was using a yarder rig mounted on an old M4 Sherman chassis. My dad has a

On the History (haha) Channel show Ax Men, there was one season were one of the crews was using a yarder rig mounted on an old M4 Sherman chassis. My dad has also told me some stories about converted surplus tanks used as bulldozers and half-tracks skidders back when he was starting out logging in the 70s, before there was a lot of really specialized equipment.