The
T-40 amphibious scout tank was an
amphibious light tank used by the
Soviet Union during
World War II. It was armed with one 12.7 mm (0.5 in)
DShK machine gun. It was one of the few tanks that could ford a river without a bridge.
It was primarily intended to equip reconnaissance units. A land-based version of the T-40, the T-40S, was produced, although was later redesignated the
T-60. The T-60 was cheaper, simpler, better-armed, and could fulfill most of the same roles, so T-40 production was halted.