Not only is a strong steel construction and a solid base required for EK series chassis, but solid footing. The vehicle is based on a counter-balanced three wheel design. (equilateral triangle with load center close to the middle of the triangle).

Large diameter wheels normally carry the vehicle and load. At rare instances the floor load may not be sufficient or simply has too many cracks and flaws. The dual load wheel option can help by increasing the size of the wheels foot print - reducing the floor load psi, this option also offers a smoother ride on rough or uneven surfaces.