Patent ID: 8418448

Claim:
A construction machine comprising: an automotive vehicle body, an engine mounted on said vehicle body, a hydraulic pump provided on one longitudinal side of said engine, a support member provided on said engine located on an upper side of said hydraulic pump, and an exhaust gas treatment device provided on said support member to purify exhaust gas from said engine, wherein: said exhaust gas treatment device comprises a cylindrical case formed of a cylindrical body and having an inlet port and an outlet port for the exhaust gas, and a treatment member accommodated in said cylindrical case and adapted to purify or muffle the exhaust gas flowing thereinto, said cylindrical case of said exhaust gas treatment device is provided with a mounting bracket formed of a member separate from said cylindrical case, a vibration isolating member is provided between said support member and said mounting bracket to support said exhaust gas treatment device on said support member in a vibration isolated state, and a heat shielding cover for blocking the transmission of heat from said engine to said vibration isolating member is provided in a periphery of said vibration isolating member and formed in a cylindrical shape having an open end, a closed end and, a cylindrical portion, wherein the closed end covers an upper side of said vibration isolating member and the cylinder portion covers the periphery of said vibration isolating member and has a lengthwise dimension set to be shorter than that of the lengthwise dimension of said vibration isolating member.