... : movable arm,skip bucket, mechanical loader, farming machinery and steering oil hydraulic cylinder. Piston Rod diameter: 30mmTube inside diameter: 60mm Stroke Size ... Rod: Chrome or nickel plated, ground & polished piston rodSeries of oil cylinder:Bulldozer parts series: SHANTUI, KOMATSU, CAT, XCMC, ZOOMLION, HBXGExcavator ...