Editing Unimog (section)

=== 1960s ===
{{Main|Unimog 406}}
[[File:Shunting vehicle 01.JPG|thumb|1971 model Unimog 406, as a [[Road–rail vehicle]] used for shunting ([[Rail car mover]])]]

The 406/416 ''middle series'' were produced beginning in 1963. They were equipped with the six-cylinder [[pre-combustion chamber]] Diesel engine OM 312 producing {{Convert|65|PS|kW hp|abbr=on}}. The 406 and 416 are similar, The 416 having a longer {{Convert|2900|mm|in|0|abbr=on}} wheelbase compared to {{Convert|2380|mm|in|abbr=on}} for the 406. Starting in 1964, the 406-series was equipped with the direct injected [[Mercedes-Benz OM352 engine|OM 352]] Diesel engine starting with {{Convert|65|PS|kW hp|0|abbr=on}} and going up to {{Convert|84|PS|kW hp|0|abbr=on}} ({{Convert|110|PS|kW|0|abbr=on}} for the Unimog 416).<ref name="Vogler_2016">{{cite book |author-first=Carl-Heinz |author-last=Vogler |title=Unimog 406 – Typengeschichte und Technik |lang=de |publisher=Geramond |place=München |date=2016 |isbn=978-3-86245-576-8 }}</ref>{{rp|104}}

Between the original Unimog and the middle series, Daimler-Benz developed a ''light'' series. The light series consisted of two separate Unimog series, the 421 and the 403. The 403, which basically is a 406-series with a {{Convert|54|PS|kW hp|0|abbr=on}} 3.8-litre four-cylinder engine, has a {{Convert|2380|mm|in|abbr=on}} wheelbase and was later supplemented by the 413-series, which is a four-cylinder-version of the 416-series (long wheelbase ({{Convert|2900|mm|in|0|abbr=on}}) model). The 421 is the successor of the 411-series and has a {{Convert|2250|mm|in|abbr=on}} wheelbase. It is powered by a {{Convert|40|PS|kW hp|abbr=on}} 2.2-litre passenger car Diesel engine.<ref name=Vogler_2016 />{{rp|107}}

The 100,000th Unimog (a 421) was built in 1966 in Gaggenau.<ref name=Vogler_2015 />{{rp|8}}

Argentina was the first country to manufacture the Unimog outside Germany. The first Unimog produced in the Mercedes-Benz Argentina S.A. factory in Gonzalez Catán, in the outskirts of Buenos Aires city, rolled off the assembly line on 1 September 1968.<ref name="Garcia Loperena_2015">{{cite book |author1-first=Gaston Javier |author1-last=Garcia Loperena |date=2015 |title=El Unimog en el Ejército Argentino |lang=es |place=Buenos Aires |publisher=1884 Editorial |isbn=9789509822993}}</ref>{{rp|232}}

The two models made in Argentina, are the 426 and 431. They are versions of the 416 respectively 431 produced under licence.<ref name=Vogler_2016 />{{rp|122}}