 | This article includes a list of general references, but it lacks sufficient corresponding inline citations. (April 2014) |
| ASU-57 | |
|---|---|
 ASU-57 on display at the U.S. Army Armor and Cavalry Collection | |
| Type | Airborne assault gun/tankette |
| Place of origin | Soviet Union |
| Service history | |
| In service | 1951 – late 1960s (USSR) |
| Used by | USSR Egypt Vietnam Yugoslavia Ethiopia |
| Wars | Six-Day War Warsaw Pact invasion of Czechoslovakia Ogaden War |
| Production history | |
| Designer | Astrov Design Bureau |
| Manufacturer | MMZ |
| Produced | 1950-1962 |
| Specifications | |
| Mass | 3.4 to 4 t (3.3 to 3.9 long tons; 3.7 to 4.4 short tons) |
| Length | 3.48 m (11 ft 5 in) (hull) |
| Width | 2.08 m (6 ft 10 in) |
| Height | 1.18 m (3 ft 10 in) (shield up) |
| Crew | 3+6 |
| Armor | 6 mm (0.24 in) |
Main armament | 1x Ch-51 or Ch-51M L/73 57mm Gun |
Secondary armament | 1x 7.62mm anti-aircraft machine gun |
| Engine | one M-20E4 water cooled gasoline engine 50hp (37.29 kW) (55hp with later engine) |
| Transmission | 37,000/75,000 now |
| Suspension | torsion bar |
| Fuel capacity | 140 liters (37 gallons) |
Operational range | 250 km (160 mi) |
| Maximum speed | 45 km/h (28 mph) |
The ASU-57 was a small, lightly constructed Soviet assault gun specifically designed for use by Soviet airborne divisions. From 1960 onwards, it was gradually phased out in favour of the ASU-85.