Class 465 units are formed DMS (driving motor standard) - TS(A) (trailer standard) - TS(B) - DMS and class 466 units DMS - DTS (driving trailer standard). Sub-class 465/0 of fifty units was built by ABB with Brush traction motors at their York works between 1992 and 1993.  Sub-class 465/1 of forty six units was also built by ABB. Sub-class 465/2 of fifty units was built by GEC-Alsthom with GEC-Alsthom traction motors at Birmingham between 1992 and 1993. Forty three class 466 units were built by GEC-Alsthom between 1993 and 1994. Class 465 units of all sub classes and 466 units can work in multiple with each other, and also all can work in multiple with class 365 units.

photograph by Colin Duff

photograph by Colin Duff

Individual cars are a nominal twenty one metres long and of welded aluminium construction. Gangways are provided within a unit, and passenger entry is by power operated sliding plug twin leaf doors. Seating in a suburban 3+2 format is a mixture of unidirectional and facing providing 348 seats per four car unit. Passenger comfort in hot weather is provided by hopper windows supplemented by pressure ventilation. Retention toilets are fitted. There are four 280kW traction motors per power car. Maximum speed is 75mph. Disc brakes are fitted to non powered wheels and rheostatic regenerative braking is used on powered axles. If the third rail cannot accept regenerated power it is dissipated through resistor grids.

photograph by Michael Taylor

photograph by Colin Duff