TL720 Cylinder

[partymarko]

I would like to repair leaking cylinder for a TL720 loader.
I understand there are 2 different repair kits based on serial number of the loader. Unfortunately I don't see any tags with this number. is there another way to tell what parts I need?
Please advice

 

[L35]

If you get measurements to include diameter of cylinders I can measure mine to see if you go to the lower batch of serial numbers or higher.