... the Piston Type hydraulic cylinder for excavatoer as below:Application: Loader,Steer Loader,ExcavtorDesigned For: Double ActingSeal Type: NOK, PARKER or as customer's requirementPiston Rod ... ,steer loader,excavator,etc.):b.Type of function(hoist,swing,steering,etc.):c.Type of structure(piston,telescopic):d.Single acting or double actinge ...