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JR West 321 Series / JR西日本321系

The 321 Series (321系) is an EMU operated by JR West in the Kansai Region.

Designed to replace aging JNR-era rolling stock on the Keihanshin portion of the Tōkaidō and San'yō Main Lines (JR Biwako Line, JR Kyōto Line, and JR Kōbe Line), the 321 series is a common type in the region. Manufactured from 2005-2007, the type incorporates numerous technological advancements compared to the previous generation 207 series, aiming for greater passenger comfort and reduced operating costs. Cars with the same designation within a formation were made to be completely identical, and those with different designations was unified to a high extent. 273 total cars were produced in 39 7-car sets, all operational in scheduled services.

Basic Information:

Max Speed: 130km/h
Acceleration: 0.69m/s/s
Motor Output: 135kW x 4 per car
Seating: long
In Service: 2005-

The following formations are included:

5 Car (Hypothetical Formation)

Configuration: 4M1T
Max Pax: 1506

7 Car

Configuration: 6M1T
Max Pax: 2130

10 Car (Hypothetical Formation)

Configuration: 8M2T
Max Pax: 3066