Construction machine

摘要

A lower floor panel ( 20 ) and an upper floor panel ( 22 ) which is having a sunken storage portion ( 20 D) is provided in front of a seat supporting base ( 12 ) which supports an operator's seat ( 16 ) with in a cab ( 11 ). A storage space ( 24 ) is provided between a sunken storage portion ( 20 D) in the lower floor panel ( 20 ) and a flat horizontal surface ( 22 A) of the upper floor panel ( 22 ). This storage space ( 24 ) can be used for installation of an air-conditioning unit ( 25 ). This lo means that the air-conditioning unit ( 25 ) can be accommodated in a floor portion in front of the operator's seat ( 16 ), permitting to suppress the height of the cab ( 11 ) to an appropriate level. In addition, installation of the air-conditioning unit ( 25 ) can make assembling and maintenance work far easier.