Floating caterpillar conveyor K-61. Speed on land is 35 km / h, on water – 9 km / h.

Museum of the Soviet Army, Moscow

K-61 is the name of an all-terrain, unarmored amphibious vehicle. Developed in the Soviet Union in the 1940s, the vehicle was used by the Soviet Army and other armed forces to transfer vehicles over water.

The vehicle is powered by a water-cooled six-cylinder two-stroke diesel engine of the type JaAZ-206 (ЯАЗ-206) from the Yaroslavl Motor Plant (YaMZ). This engine was used in various Soviet automobiles. With a displacement of 6981 cm³, the version installed in the K-61 produces 180 hp at 2000 rpm. The change-speed gearbox with five forward gears is driven via a single-plate dry clutch.

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