| July 1989–Present|
108 vehicles (27 sets)
| 421 series|
112 vehicles (28 sets)
| Hitachi, Kinki Sharyo, JR Kyushu|
The 811 series (811系) is an AC electric multiple unit (EMU) train type operated on local services by Kyushu Railway Company (JR Kyushu) in Japan since 1989.
811 series Wikipedia
The trains were built jointly by Hitachi, Kinki Sharyo, and JR Kyushu (Kokura factory).
811 series trains are used on "Local" (all-stations) and "Rapid" (limited-stop) services on the following lines.Kagoshima Main Line
Nagasaki Main Line
Nippo Main Line
811-0 series: 16 x 4-car sets (PM1–17)
811-100 series: 11 x 4-car sets (PM101–111)
As of 1 April 2012, the fleet consists of 108 vehicles, formed as 27 4-car sets. Sets are formed as follows.
The KuMoHa 810 car is fitted with one PS101Q lozenge-type pantograph. The KuHa 810 car has a toilet.
Sets P8 and P9 carried a "Mitsui Greenland" promotional livery, and set P11 carried a "Space World" promotional livery for a while. As of January 2013, P8 carries promotional vinyls for the Kyushu Heritage Museum, and the other two sets have been returned to the standard colour scheme.
The first sets were delivered in June 1989, and entered service from 21 July 1989. Trains became all no-smoking from 1 September 1995.
11 811-100 series 4-car sets were delivered from 1992, numbered PM101 to PM111. These had a modified seating arrangement to provide more standing space in the doorway areas.