THE STRONGEST HEAVY DUTY 6 AXLE CRANEThe GMK6450-1J is the strongest heavy-duty 6 axle crane on the market with a self-rigging MegaWingLift™ (rigging time < 20 min). Able to take on jobs that would usually require a seven- or eight-axle model, this outstanding 400 t all-terrain crane features an improved hydraulic system with faster flow to provide quicker operating speeds and even smoother movements.