KH-28 SWIVEL FRAME Parts group KH-28 S10500 SWIVEL FRAME S10700 SWIVEL GEAR CASE S10800 SWIVEL GEAR S10900 SWIVEL BEARING S11100 FLOOR PLATE (1) (STEP) S11300 FLOOR PLATE (1) S11400 FLOOR PLATE (2) S11500 BONNET S11600 SPONGE S11700 SPONGE S11800 HOOD SPONGE S12000 WEIGHT sale parts diagram catalog online construction equipment excavator tractor