Mighty combination comprising a MAN 4-axle heavy haulage transporter truck, flat-bed trailer with swan neck, Liebherr crawler excavator and escort car based on the Mercedes-Sprinter. Mainly produced in die-cast metal. The trailer can be decoupled. The swan neck can be removed from the trailer for loading. The crawler excavator with moving track is fitted with a grip shovel. The machine unit rotates by 360 degrees. The angle of the folding arm can be repositioned. The striking yellow escort vehicle has yellow alarm lights as well as heavy transporter sign.