These trains used to be a frequent sight along the Hualien-Taitung Line. Each is driven by a powerful engine, and a Little Ding-dong once set a world speed record for trains in its class.
早年花東線還是輕便軌道時，這款火車就是其中常客，因為每一個車廂都具有動力，機動性強，還曾創下世界同種火車的最高速度紀錄。