WAS ON A SLICK ROAD. I WAS GOING 15 MILES AN HOUR, WHEN MY 2000 FORD F-150 SPUN COMPLETELY AROUND. WHEN THE TRUCK SPUN AROUND IT WENT TOWARDS THE DITCH BACKWARDS. WHEN I HIT THE DITCH THE TRUCK FLIPPED ONTO THE PASSENGER SIDE. WHEN THE TOW TRUCK ARRIVED ON THE SCENE HE INFORMED ME THAT THE REAR TIRE BROKE OFF THE AXLE. I HAD NEVER HEARD OF THIS HAPPENING AT SUCH A SLOW SPEED, NEITHER HAD THE TOW TRUCK DRIVER, ESPECIALLY SINCE IT WAS A HEAVY HALF TON LOAD AXLE . WHEN WE WERE LOOKING AT THE AXLE IN THE LIGHT IT APPEARED THAT IT CRYSTALLIZED AND SNAPPED. I AM A WELDER AND WORK WITH METAL EVERY DAY AND THE AXLE LOOK ALMOST LIKE CAST. *NM