Abstract: A hinged utility rack disposed on and external to a vehicle having a temporary top or roof. The utility rack has a bed that supports objects especially for transportation. First and second support bars are attached to the vehicle and support the bed. The second support bar is releasably connected to the bed, supporting the bed when connected. A hinge pivotally connects the first support bar to the bed, enabling the bed to pivot about the first support bar. The bed pivots between (a) a closed position in which the bed covers the vehicle top and the second support bar is connected to the bed, and (b) an open position in which the second support bar is disconnected from the bed and the bed is disposed away from the second support bar thereby rendering the top accessible for removal or retraction.

Abstract: A modular dynamometer can assembly defining an interior region sized to house and support a dynamometer. The can assembly is formed from two modules: a main can form module and a separate and discrete motor end module. The main can form module is adapted for prefabrication at a first location and transportation in a disassembled state to a second installation location. Similarly, the motor end module is adapted for prefabrication at the first location and transportation in a disassembled state to the second installation location. The main can form module and the motor end module are assembled and engaged, forming the modular dynamometer can, at the second installation location.

Abstract: A hinged utility rack disposed on and external to a vehicle having a temporary top or roof. The utility rack has a bed that supports objects especially for transportation. First and second support bars are attached to the vehicle and support the bed. The second support bar is releasably connected to the bed, supporting the bed when connected. A hinge pivotally connects the first support bar to the bed, enabling the bed to pivot about the first support bar. The bed pivots between (a) a closed position in which the bed covers the vehicle top and the second support bar is connected to the bed, and (b) an open position in which the second support bar is disconnected from the bed and the bed is disposed away from the second support bar thereby rendering the top accessible for removal or retraction.

Abstract: Longitudinally extending main and motor and drive frames are provided with the frames supported from each other for relative angular displacement about a horizontal central axis extending longitudinally of the frames and about an upstanding axis spaced centrally intermediate the opposite ends of the frames. The motor and drive frame include motor driven ground engageable drive structure and the main frame includes support structure for supporting a depending earthworking tool. Adjustment structure is provided for releasably retaining the main and motor and drive frames in adjusted angularly displaced positions relative to each other about both the horizontal and upstanding axes and the motor and drive frame includes rear elevated hand grip structure angularly displaceable with the motor and drive frame relative to the main frame.