Meet the SHERP the Ark: a rugged all-terrain vehicle made to handle extreme conditions. It has 7500lbs load capacity and can overcome obstacles up to 5ft. It has max speed of 18.6mph on land and 3.7mph overwater speed. The Ark can float and overcome ditches 2 meters wide. It can climb 40 degree slopes.
The above video shows SHERP the Ark in action. More information is available here.