7 x 3-1/2 x 3-3/16" 17.8 x 8.9 x 8.1cm. Keep tank trucks rolling with local deliveries when you fill them up at this Loading Rack. Typical of the facilities found at refineries and regional distribution centers, the easy-to-build kit includes detailed piping, discharge equipment, pumps and a large awning that spans two lanes for safe loading in any weather.