In looking online we found cranes that look similar to this one which appear to weigh in at about 100,000lbs before having a bunch of counterweights on them. The truck pulling the crane on a low boy trailer is a Kenworth W900 with what is claimed to be a very healthy 600hp engine. Another heavy duty piece employed by this rig are planetary geared hubs on both of the drive axles.
Video: Watch This 600hp Kenworth Grunt A Mobile Crane Up A Steep Hill
