Check the listing for details. Replacement Chief Frame Machine S21M - Auxiliary Tower Ram - compare to 601192. Condition: New. Listed at 685.55 USD. Replacement Chief Frame Machine S21M - Auxiliary Tower Ram, this hydraulic ram is for the dual acting hydraulic frame machine, Ram is made in the USA and is interchangeable and requires no modifications to install compare to Chief Part # 601192. Chief S21M Dual Acting auxiliary Tower Ram Part # 601192For S21M & Titan auxiliary Tower ramsThese Low pressure rams work on S21M & Titan Dual action Machines only !Free Shipping This is a Non-OEM, Aftermarket, Replacement Part That Replaces Original Please call if you have any Questions Note: This Ram works on dual acting systems. If you are not sure of what you need please email or text pictures of you machine and ram before purchasing we will he happy to assist you in getting the correct part. This Ram will not work with single acting cylinders.