Single Girder - Under-Running or Top-Running Cranes 2-Speed - all motions Capacities: 1 - 10 ton Maximum Span: 51 ft. for under-running, 60 ft. for top-running Lift Range: 24'-7" to 49'-2" Lift Speed: 16 fpm to 30 fpm Trolley Speed: 80/20 fpm Bridge Speed: 100/26 fpm Double Girder - Top-Running Crane 2-speed - all motions Capacity: 5 - 20 tons Maximum Span: 60 ft. Lift Range: 25'-3" to 39'-4" Lift Speed: 16 fpm to 30 fpm Trolley Speed: 80/21 fpm Bridge Speed: 100/26 fpm