The 598th remained in Kassel from late 63, till it moved to Mannheim in early 1967, where it was attached to the 28th Transportation Battalion again. During there time in Kassel, the 598th provided port clearance from Bremerhaven to Giesen. The trans units in Kassel had the tactical 5 ton M52 trucks, but in 1965 they all received Internatuinal cab over trucks, which were a big improvment for highway use.
From 1971 to 1972, the 37th Transportation Command received the newer model International Harvester Commercial (IHC) tractors 4070 and 2000D models. The northern most battalion, the 106th, which had the longest run clearing cargo out of the Port of Bremerhaven received the IHC4070s. The IHC2000Ds had single axles and could not pull the containers as well