The Oshkosh HEMTT Water Tanker is not your average truck — it’s one of the toughest and most capable military support vehicles ever built. Designed for the U.S. Army, this 8×8 monster is engineered to carry massive loads, survive impossible terrain, and keep moving when everything else gets stuck. The version you’re seeing here is the M978 HEMTT Water Tanker, a heavy-duty mobile water system capable of transporting thousands of gallons for missions like firefighting support, dust suppression, de