Two styles of replacement angling cylinders are available for the Western plow. There are angle cylinders for the standard series and angle cylinders for the heavy-duty series. For the standard Western plow you have a choice of replacement cylinders for the units with the T-handle (1" retaining pin) and the Joystick handle (3/4" retaining pin). These angle cylinders have a measurement of 1-1/2" dia. x 10" in length and replace the OEM cylinder numbers 25209 and 56102. For the Heavy-duty plow the angle cylinders measure 2" in dia. x 16" in length and replace the OEM number 25878. Mill Supply also carries packing nuts and O-ring sets to repair leaky cylinders.