Construction machine

A construction machine comprising:

• a vehicle body;
• a vehicle body frame including a center frame disposed in the center in the right-and-left direction of said vehicle body, a left side frame provided on the left side of said center frame and extending in a front-and-rear direction of said vehicle body, and a right side frame provided on the right side of said center frame and extending in the front-and-rear direction of said vehicle body;
• a tank attachment site located and provided on the right side or the left side of said vehicle body frame;
• and
• an oil reservoir tank storing oil liquids provided at said tank attachment site, wherein
• said tank attachment site is provided with a pair of tank support bases supporting said oil reservoir tank at a position at which a bottom surface portion of said oil reservoir tank is separated upward from said tank attachment site,
• said pair of tank support bases are disposed separately in the front-and-rear direction of said vehicle body,
• said oil reservoir tank is supported by said pair of tank support bases at a position higher than that of an upper surface of either said left side frame or said right side frame,
• a space portion with an opening corresponding to an outer side in the right-and-left direction of said vehicle body opposite to said center frame is provided between said tank attachment site and said bottom surface portion of said oil reservoir tank,
• a tool receiver is accommodated in said space portion,
• the opening of said space portion is provided with an opening/closing cover openably closing said opening,
• a supply pipe supplying oil liquid and a discharge pipe discharging oil liquid are provided at said bottom surface portion of said oil reservoir tank,
• said oil reservoir tank is supported on said pair of tank support bases such that said supply pipe and said discharge pipe are accommodated in said space portion, and
• said pair of tank support bases is set in a dimension so as to allow drainage work performed through said discharge pipe, and said tool receiver and tools to be taken in and out of the space mounted on said tool receiver.