The A9 Class mogul, was a class of Express passenger locomotive built by the Kuriwara and Heguri railway, for use on its high priority Express trains, the class also has the notable distinction of being the last steam locomotive class built before the grouping act of 1909.
Between 1903 and 1907 102 of these locomotives would be built, with the total production being spread amongst two distinct types, the type one works like a superheater, and the Type II which was a superheated locomotive visually distinguishable from the type 1, via its largest smoke box and relocated steam dome, after the grouping act of 1909 all locomotives in the class would be redesignated as the 3200 series in accordance to ZNR's classification of pre-grouping locomotives.
Despite being quite frail and elegant in appearance, the 3200 series will continue to prove themselves excellent passenger locomotives even after being downgraded from mainline Express duties in the early 1920s, even by the late 1960s several of his locomotives was still being employed in certain areas on the on the ZNR network, with No.69, No.12 and No.100 being employed at the Heguri power plant from 1964 up until the power plants closure in 1968, by 1971 all 3200 series locomotives would be withdrawn from service, with locomotive No.69 being the sole representative of her class in preservation.