A dealer is letting me test drive a 2004 TN60A, 4WD with a Bush Hog M546
FEL. It has 600 hours and the dealer wants $22,500 for it. It seems to me that the 4WD and diff lock never turn off. All 4 wheels spin if digging in the bucket but I do not see signs that they slip on turns. Also, the 3 pt...