Type 89 I-Go
... that the Imperial Japanese Army's Type 89 I-Go medium tank (Otsu version) was the first diesel-powered tank to be mass-produced?
... that the <a href="./Imperial_Japanese_Army" id="mwAlU" rel="mw:WikiLink" title="Imperial Japanese Army">Imperial Japanese Army</a>'s <b id="mwAlY"><a class="mw-redirect" href="./Type_89_I-Go" id="mwAlc" rel="mw:WikiLink" title="Type 89 I-Go">Type 89 I-Go</a></b> <a href="./Medium_tank" id="mwAlg" rel="mw:WikiLink" title="Medium tank">medium tank</a> (<i id="mwAlk">Otsu</i> version) was the first <a href="./Diesel_engine" id="mwAlo" rel="mw:WikiLink" title="Diesel engine">diesel</a>-powered tank to be <a href="./Mass_production" id="mwAls" rel="mw:WikiLink" title="Mass production">mass-produced</a>?