- Changes
- Fourteen-cylinder Sakae 11 in a more compact cowling and other streamlining; no added protection. Replaced the B5N1 in production and service from December 1939. Relegated from 1944 to training, target towing and anti-submarine patrol, some with radar or magnetic anomaly detectors.
- Crew
- 3
- Length
- 10,300 mm
- Wingspan
- 15,518 mm
- Height
- 3,700 mm
- Wing area
- 37.7 m²
- Empty weight
- 2,279 kg
- Normal takeoff weight
- 3,800 kg
- Max takeoff weight
- 4,100 kg
- Internal fuel
- 946 L
- Engines
- 1
- Blades
- 3
- Pitch
- Constant speed
- Max speed
- 378 km/h
- Max speed altitude
- 3,600 m