A detachable thumb assembly for a construction equipment machine includes a mounting bracket for attaching the thumb assembly to a digging apparatus of the machine, a thumb pivotally connected on the mounting bracket, a thumb cylinder including a cylinder body connected to the mounting bracket and a cylinder rod which extends from a front end of the cylinder body and which is connected to the thumb. The body of the thumb cylinder is pivotally connected to the mounting bracket at a connection portion of the body which is distinct from a body back end portion.
