An engine compartment side panel is configured for toolless mounting and includes a main body having an outer surface, an inner surface, and a bottom edge. The side panel further includes at least one tab disposed at a location along a length of the bottom edge of the main body. In addition, a handrail is coupled to an outer surface of the main body at a plurality of handrail mounting locations and at least one mounting arm is coupled to an inner surface of the main body at a respective one of an at least one mounting arm mounting locations. Each mounting arm is configured to be removably coupled to an engine compartment support frame. Further, each of the at least one mounting arm mounting location is aligned with a respective one of the plurality of handrail mounting locations.