Boyevaya Mashina Pekhoty 1 or BMP-1 was originally conceived in 1966 and could be considered as the world’s first amphibious infantry vehicle. Produced at the Chelyabinsk Tractor Plant, it’s Chief designer was P Isakov. They continued to be produced until 1983 and until this date continues to be used by many African countries in times of war.

However, it first got tested in the battle zone during the Arab Israeli conflict of 1973, when the Egyptian forces used them in large numbers. 

Weighing nearly 12.5 tons, the BMP-1 uses a 4-stroke, 6-cylinder UTD 20 diesel engine and has a crew carrying capacity of 3. It carries a 73 mm cannon and has a storage for up to 40 shells. It can drive on land at a speed of 65 km/hr and on water at 8 km/hr. 

The Indian Army at one time had over 400 BMP-1's. This model was also produced in India.