As a former logging contractor I have established business associates with large amounts of hardwood firewood from the Northeast US. Rrebuilding hydraulic cylinders including replacement of piston and/or cylinder of any size. Make replacement hydraulic pistons from scratch and repack, including end bells with trunions or pin sockets and TIG welding seal welds on new ends. I will re-use as many of your existing cylinder parts as possible when rebuilding saving you dollars.