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The Obiekt 775, or Object 775 (Объект 775), was a Soviet experimental missile tank built in 1964.
| Obiekt 775 | |
|---|---|
 Object 775 in the Kubinka Tank Museum | |
| Type | Missile tank |
| Place of origin | Soviet Union |
| Production history | |
| Designer | P. P. Isakov |
| Manufacturer | Chelyabinsk Tractor Plant |
| Produced | 1964 |
| Variants | Obiekt 775 Obiekt 775T |
| Specifications | |
| Mass | 36 metric tons |
| Length | 6.117 m |
| Width | 3.415 m |
| Height | 1.74 m |
| Crew | 2 |
| Armour | 120 mm (maximum) |
Main armament | 125 mm D-126 rifled missile launcher (15 "Rubin" / 22 "Bur") |
Secondary armament | 7.62 mm coaxial PKT machine gun |
| Engine | 5TDF diesel engine (Object 775) 2x GTD-350 gas turbine engines (Object 775T) 515 kW (Object 775) 2x 350 hp (Object 775T) |
Operational range | 500 km |
| Maximum speed | 70 km/h |
The tank had an extremely low profile, with a crew of two which sat in an isolated compartment in the turret. The main armament was a 125 mm rifled missile launcher, with a maximum range of 4 km for the "Rubin" anti-tank guided missiles, and 9 km for the "Bur" surface-to-surface missiles. It had a rate of fire of 4-5 rounds/min for the "Rubin", and 8-10 rounds/min for the "Bur". Both munitions were guided by an infra-red beam. The "Rubin" anti-tank missiles were capable of penetrating 250 mm of armor at 60° at a range of 4 km.
The Obiekt 775 used the same engine and transmission from T-64 tank. The Obiekt 775T (Объект 775Т) variant used two gas turbine engines instead of the diesel engine.
The prototype tank wasn't adopted for a number of reasons. These included the crew having poor visibility over the battlefield, the overall complexity of the design, and the low reliability of the missile guidance system.
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