JR Shikoku 8000 series
The is a tilting limited express electric multiple unit (EMU) train operated by Shikoku Railway Company (JR Shikoku) in Shikoku, Japan, since 1992. Formations. As of 1 October 2013, 48 vehicles were in service, formed as 3- and 5-car sets, as shown below. 3-car sets. Prototype set S1. Cars 6 and 8 are each fitted with one S-PS59 lozenge-type pantograph. The pantograph on car 8 was removed in 2010. This set were retired from service by March 2018. Set S2-S6. Cars 6 and 8 are each fitted with one S-PS59  lozenge-type pantograph. The pantograph on car 8 was removed between 2010 and 2011. Car 7 is removed from formations during off-peak seasons between 2011 and 2018. History. The prototype set, S1, was delivered in May 1992, and entered revenue service on 19 September 1992. On 8 August 1992, set 8001 achieved a speed of in a special test run. The subsequent fleet of full-production sets entered service from 18 March 1993. The entire fleet underwent life-extension refurbishment between 2004 and 2006.