JCB says the 520–40 Loadall is the most compact telescopic tool carrier on the market, measuring 61 inches wide, 77 inches high, and weighing 9,700 pounds. It has a 4,000-pound rated operating capacity (ROC) at its full lift height of 13 feet 2 inches. It also has a 2,000-pound ROC at its maximum forward reach of 8 feet 4 inches. With a four-wheel drive and four-wheel steer combination, the unit has an outside turn radius of 120 inches. It is powered by a 50-hp Perkins diesel engine.