Hello All! Banging my head on this one and need your advice! Got tractor moved for the winter. Went to go move it to use to move snow and front wheels are all locked up. Checked fluids and both sides took about 1/4 of a quart. Still solidly locked. Back wheels do turn so I wouldn't think 4x4 stuck? When we parked it it ran and drove just fine....we did hit a -18 degrees for about 3 days so not sure if this could be part of it but has since warmed up and still stuck....any help is appreciated!