A cab guard alternatively adaptable for a wide-bed pickup truck with a pair of front stake pockets and a mini-pickup truck with a pair of bed rails. The cab guard including a rigid screen structure, a pair of rigid end brackets, and mounting means for mounting the screen structure in alternate first and second operating positions. In the first operating position, the end brackets are attached to the ends of the screen structure and extend outwardly of the screen structure in a plane coplanar with the screen mesh and the cab guard is mounted in the front stake pockets of a wide-bed pickup truck. In the second of the operating positions, the end brackets are attached to the ends of the screen structure and extend in planes perpendicular to the screen mesh and the end brackets are mounted to the bed rails of a mini-pickup truck.