Its important changes sit beneath the familiar body: more stable braking, continuous bogie monitoring and speed regulation. This original specification concerns new-build N700A; retrofit N700 sets need their own equipment scope.
The guide describes an air-spring system that raises the outside of the body on a curve. For the sixteen-car N700 family, a one-degree tilt supported faster running through relevant Tōkaidō curves. Its account distinguishes this from the levelling control used on San’yō.
JR Central lists rotating, reclining seats for its Tōkaidō–San’yō N700 and N700A. Green Car uses the coordinated-recline comfort seat. An N700 label alone does not identify the eight-car San’yō–Kyūshū interior.