TRAILING ARM MOUNTING STRUCTURE FOR SUSPENSION DEVICE

PROBLEM TO BE SOLVED: To provide a trailing arm mounting structure for a suspension device capable of mounting a trailing arm on an arm mounting section, with the arm rigging capability improved.SOLUTION: The trailing arm mounting structure for a suspension device includes a trailing arm 5 whose front end part is connected to a vehicle body frame 1 while its rear part side is linked with a vehicle shaft support part that supports the vehicle wheels; a front side connecting section in which a bush 41 is provided at the front end part of the trailing arm; the arm mounting section A1 including a housing area m formed on the lower wall part of the vehicle body frame in which the front side connecting section is accommodated, and fastening faces fc having screw holes n1 formed therein and provided in a pair sandwiching the housing area; and a mounting bracket 42a to which the bush 41 of the front connecting section is pivotally supported while being fastened to the fastening faces fc. The front side connecting section is connected to the arm mounting section A1 by fastening the mounting bracket to the fastening faces, while the mounting bracket is arranged within the housing area, so that the fastening faces are connected therebetween.