308b

Model: 308B SR MINI HYD EXCAVATOR 3YS. mma 2018 live streaming Configuration: 308B SR Excavator 3YS00001-UP (MACHINE) POWERED BY 4M40 Engine into the bore of barrel (26) as piston (20) moves out of the bore of barrel (26) Oil is pushed ahead of the piston (20) as the piston moves in the bore of the barrel