the dead weight: 50.5 ton
the length of the long boom: 40 meters

the length of the vice boom   :15 meters
the maximum height of the booms   :

39.8 meters (only the long boom)  
54.7 meters<40 meters(the long boom)+15 meters(the vice boom)>.
the crane's net weight: 37.4 ton

the rating of engine: 257KW(2100r／min)  

the engine : MITSUBISHI  

and we have many other cranes with different types:kato 25 ton,100ton, tadano 30,50,100 ton