The invention relates to a mast assembly for a construction machine with a mast (12), which has a mast guide (14), along which a mast carriage (20) is movably mounted, which is connected to a hydraulic source and has a first hydraulic coupling part (24) fo...

The invention relates to an upper carriage for a construction machine with a housing (12) which has side walls (20), wherein for access into the housing (12) at least one housing opening (22) with an access wall (30) is provided, which is adjustable into a...