850 - BACKHOE 21 850 Backhoe Hydraulics Parts group 21 850 Backhoe Hydraulics 21 850 Backhoe Hydraulics . Swing Cylinder Stabilizer Cylinder Boom, Dipperstick and Bucket Cylinders Pressure and Return Hoses ( - XXXXXX) Pressure and Return Hoses (XXXXXX - ) Boom, Dipperstick and Bucket Hoses Stabilizer and Swing Cylinder Hoses Main Relief Valve End Plate (RH) Boom and Dipperstick Valve Sections Stabilizer and Bucket Valve Sections Valve Seal Kit (For All Valve Sections)