It might help if your specific about which cylinder on the snowblower and to post the snowblower model number.
There is a lift cylinder on the quick attach (what mounts to tractor) and there can be hydraulic cylinders to rotate the chute and another to adjust the chute deflection on the snowblower if it has these options.
In any case you can find parts drawings on Kubota's website or Messicks. On Kubota's. Look under PARTS for ILLUSTRATED PARTS LOOKUP and follow prompts.
Messicks has the same info plus prices.