... .4toQY50K truck crane 1. Outline dimensions: 13, 050X2, 800X3, 430mm 2. Total mass in travel state: 40.4ton 3. Engine model: WD615.334 ... Fully extended boom + jib: 55.8m All kinds of truck crane: QY8D, QY12, QY16D, QY20B, QY25K, QY25K5, QY30K5, QY40K, QY50K, QY60K ...