JLG 400 Series telescoping mobile elevating work platforms include the 40-foot 400S and the 46-foot 460SJ. Each has a 660-pound unrestricted  capacity zone, and restricted capacity zones for 750 and 1,000 pounds.

The telescoping work platforms are ANSI 92.20 compliant and have load sensing system. The system limits operation when the platform is overloaded, automatically keeping operation within the allowable work envelope.