English Multiple Unit Photos
|UK Class 421 were introduced in 1964 to replaced the
original 1933 Brighton line electric express units (6-PAN & 6-PUL).
These were 4 car units with 4 first class compartments at each end. The
Connex South Central Class 421/4 has one driving trailer composite
re-classified to all second and the other one is reduced to 3 First class
compartments. The compartment with the outside door is the downgraded one
but still retains the 6 seat configuration. The unit has a single
intermediate motor brake second rated at 740kw, 992 hp and a maximum speed
of 90 mph, 145 km/h.
Connex South Central 421/4 1802, still in Network South East livery, at Haywards Heath on Sunday evening, June 6th, 1999.