A cab support assembly for supporting and moving an operator's cab (60, 260) relative to a frame (14, 214) of a construction machine (10, 210), wherein said frame (14, 214) is mounted on a carbody of said construction machine (10, 210) and movable ground engaging members mounted on said carbody allow said construction machine (10, 210) to move over the ground, said cab support assembly comprising: a) a cab support coupled to said frame of said construction machine; b) a cab support mounting frame pivotably coupled to said cab support, said operator's cab (60, 260) being mounted to said cab support mounting frame; and, c) an actuation device coupled to said cab support and to said cab support mounting frame, said actuation device including a first actuation device position in which said cab support mounting frame is in a first position in which said cab support mounting frame defines a first plane, wherein said actuation device includes at least a second actuation device position in which said cab support mounting frame is in a second position such that said cab support mounting frame defines a second plane that intersects said first plane at a negative angle; d) an actuation device mounting bracket coupled to said cab support mounting frame, said actuation device mounting bracket including a bearing surface that defines a bearing plane that is substantially perpendicular to said first plane and a link connection that is coupled to said second end of said actuation device; characterized by e) an actuation device link including a first end that is pivotably coupled to said second end of said actuation device, said actuation device link including a second end that is spaced apart from said first end, said second end of said actuation device link being pivotably connected to said link connection. a) a cab support coupled to said frame of said construction machine; b) a cab support mounting frame pivotably coupled to said cab support, said operator's cab (60, 260) being mounted to said cab support mounting frame; and, c) an actuation device coupled to said cab support and to said cab support mounting frame, said actuation device including a first actuation device position in which said cab support mounting frame is in a first position in which said cab support mounting frame defines a first plane, wherein said actuation device includes at least a second actuation device position in which said cab support mounting frame is in a second position such that said cab support mounting frame defines a second plane that intersects said first plane at a negative angle; d) an actuation device mounting bracket coupled to said cab support mounting frame, said actuation device mounting bracket including a bearing surface that defines a bearing plane that is substantially perpendicular to said first plane and a link connection that is coupled to said second end of said actuation device; characterized by e) an actuation device link including a first end that is pivotably coupled to said second end of said actuation device, said actuation device link including a second end that is spaced apart from said first end, said second end of said actuation device link being pivotably connected to said link connection.