1/14 10CH RC Hydraulic 3-Arms Tracked Excavator 946-3 Metal Ripper Grab Bucket

Manual bucket coupler;. 1PC Hydraulic Grab. 6-ways hydraulic valves;. Hydraulic working pressure 4mpa;. Digital hydraulic pressure gauge;. Made by stainless steel ， aluminum ， copper few plastic;. Choose xt60 connector, 3s lipo.