Sisu AutoSisu S-21

Sisu S-21 is a lorry first produced by the Finnish heavy vehicle producer Suomen Autoteollisuus (SAT), then under names Sisu S-22 and S-22K by Yhteissisu, which, after changing its name Vanajan Autotehdas (VAT), produced it with name Vanaja V-48. The production period was 1943–1955.