The is a tilting diesel multiple unit (DMU) train type operated by Shikoku Railway Company (JR Shikoku) on limited express services in Shikoku, Japan. An identical lone 4-car set is also operated by the Tosa Kuroshio Railway.
The trains use stainless steel car bodies, and are powered by SA6D125-H engines. The tilting system uses active pendular suspensions.
The prototype TSE ("Trans-Shikoku Experimental") set was introduced in 1989, and was the recipient of the 1990 Laurel Prize. Full-production sets followed in 1990. An improved version, designated as N2000, was introduced in 1995. These sets feature a higher power output.
The TSE prototype set was withdrawn from revenue service in March 2018. 2000 series trains are gradually being replaced by new 2700 series trains since 2020.
2000/N2000 series trains are currently used on the following services: