The above remodeling was actively implemented while managing scarce materials, and Moha 43028 (later became Moha 64028 to Kumoha 31002 eventually) and Kuha 55106 (former Kuroha 59022, tentatively appeared as Kuha 55 it later became Kuha 85026 to Kuha 79056 eventually) appeared in 1943.
この改造は乏しい物資をやりくりしながら積極的に実施され、第1号のモハ43028（後にモハ64028を経て最終はクモハ31002）-クハ55106（元クロハ59022の改造で、とりあえずクハ55の連番として出場、クハ85026を経て最終はクハ79056）が1943年に登場した。