Obiekt 279

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Obiekt 279
Obiekt 279 in the Kubinka Tank Museum
Type	Heavy tank
Place of origin	Soviet Union
Production history
Produced	1959
No. built	3
Specifications
Mass	60 metric tons
Length	6.77 m (22 ft 3 in)
length	11.085 m (36 ft 4.4 in) with the gun
Width	3.400 m (11 ft 1.9 in)
Height	2.639 m (8 ft 7.9 in)
Crew	4 (driver, loader, gunner, commander)
Armor	319 mm – 217 mm (turret front and side) (at 30° – 50° from vertical) 269 mm – 93 mm (upper hull front) (at 45° – 75° from vertical) 258 mm – 121 mm (lower hull front) (at 45° – 70° from vertical) 182 mm – 100 mm (hull side) (at 45° – 65° from vertical)
Main armament	130 mm M-65 rifled tank gun L/60 (24 rounds)
Secondary armament	14.5 × 114 mm KPVT coaxial machine gun (800 rounds)
Engine	2DG-8M diesel engine 1,000 hp (750 kW)
Operational range	300 km (190 mi)
Maximum speed	55 km/h (34 mph)

The Obiekt 279, or Object 279, (Объект 279) was a Soviet experimental heavy tank developed at the end of 1959.

This special purpose tank was intended to fight on cross country terrain, inaccessible to conventional tanks, acting as a heavy breakthrough tank. It was planned as a tank of the Supreme Command Reserve.^{[citation needed]}