| Sisu S-321, S-322, S-323, S-341 and S-342 | |
|---|---|
 One of the first S-321's. | |
| Overview | |
| Manufacturer | Oy Suomen Autoteollisuus Ab |
| Production | 1932–1934 |
| Assembly | Helsinki, Finland |
| Body and chassis | |
| Body style | lorry; bus; combination bus |
| Layout | 4×2 |
| Powertrain | |
| Engine | Penta DC: 75 hp Penta EB: 65 hp[1] Olympia: 75 hp[2] |
| Dimensions | |
| Wheelbase | S-321: 3,400 mm S-322: 4,100 mm[3] S-323: 3,800 mm[1] |
| Kerb weight | S-321 and S-322: 2,300–4,800 kg (5,071–10,582 lb)[3] |
| Chronology | |
| Successor | Sisu SO-series |
Sisu S-321, S-322 and S-323 is the first lorry and bus model series made by the Finnish heavy vehicle producer Suomen Autoteollisuus (SAT) in 1932–1934. Upgraded models S-341 and S-342 were produced in 1934. The vehicles were heavily based on Volvo components. The two-axle, 4×2-driven lorries were designated with 2,500 kg capacity and total weight of 4,800 kg.
The series was followed by the 1934 introduced Sisu SO-models.