Aluminum service beds from Knapheide feature a superior design and innovative construction. In order to provide customers with the utmost confidence in Knapheide aluminum service truck beds, we put them through the most rigorous testing program in history. Knapheide aluminum service bodies were subjected the the harshest environments and applications possible in the lab, on proving grounds and by real customers like you. Utilizing military-grade aluminum and structural adhesives are just a few of the features that place Knapheide aluminum service beds far ahead of the competition. What does this all mean for you? When you choose a Knapheide you get the corrosion resistance of aluminum, an impactful increase in payload AND an aluminum service bed that is just as durable as steel. Lightweight doesn't have to mean light duty.