[[File:|right|250px|]] The Tupolev TB-3 (Russian: Тяжёлый Бомбардировщик, Tyazholy Bombardirovschik, Heavy Bomber, civilian designation ANT-6) was a heavy bomber aircraft which was deployed by the Soviet Air Force in the 1930s and during World War II. It was the world's first cantilever wing four-engine heavy bomber. Despite obsolescence and being officially withdrawn from service in 1939, TB-3 performed bomber and transport duties through much of WWII. The TB-3 also saw combat as a Zveno project fighter mothership and as a light tank transport.
- Span: 41.80 m (137 ft 2 in)
- Length: 24.4 m (80 ft 1 in)
- Height: 8.50 m (27 ft 11 in)
- Engines: 4× Mikulin M-17F V12 engines, 525 kW (705 hp) each
- Maximum Speed: 196 km/h (106 knots, 122 mph) at 3000 m (9,840 ft)
- First Flight: 22 December 1930