2012 JOHN DEERE GATOR SPRT RSX 850I ENGINE MOTOR CRANKCASE CRANK CASES BLOCK two of the nuts are stuck on the studs. Does not include bolts. There is tWo different crankcases depending on which crankshaft you have. This had a crankshaft with marking 07/12 1. Removed From: 2012 John Deere Gator RSX 850I Please review all pictures to asses the condition of the item.