The chassis of the SDS 390 was manufactured with a low preload in the front section, in the slightly inclined outer frame with Load-Lock profile straps can be quickly and easily attached to the slightly slanted outer frame with load-lock profile. The 140 millimeter high crash blocker steel crash blocker at the front and the 20-millimeter-high pallet stops mounted on both sides. Partly because of the stops, the trailer complies with the load securing guideline DL 9.5; in conjunction with the aluminum insertable slats, the SDS 390 MaxiRunner is certified according to Code XL.
The side tarpaulins are very robust thanks to welded-in horizontal and vertical belts, and the stainless steel tension locks are particularly durable. To ensure that the loading floor can also be driven on by heavy forklifts with an axle load of up to 7,100 kg , the 30-millimeter-thick screen printing plates are supported on 8 longitudinal beams.