This is a Kobelco Hydraulic Crawler Crane.The following are the main specifications:
Model: 7250-2F
Boom length:15.2-76.2 m
Boom Working angle range : 30-80 deg
Upper Part rotation range(Swing) : 360 deg
Swing speed : 2.2 rpm
Traveling speed: 0.7-1.1 km/h
Total weight : 211 ton
Counter weight : 97.1 ton (upper) 20 ton (lower)
Max capacity: 250 ton
Model boom length : 18.3 m(With insert boom)
Max hydraulic system pressure : 31.9 Mpa
following rar file contain the assembly file and u can move & rotate the body , and boom as the factual limitations and dimensions.
Have fun. :)