TT Brass Small Series Truck Trailer GDR Compressor Very Rare Era 3/5. The description of this item has been automatically translated. TT brass small series truck trailer GDR compressor, very rare GDR model, era 3/5, very rare, era 4/6. For TT- 1:120. A door is loose. You can therefore actively contribute to shaping my pricing within a fair framework.