Type 1 37mm Anti-Tank Gun
- Introduced Year : 1941
- Caliber : 37 mm
- Barrel Length : 1.85 m (L50)
- EL Angle of Fire : -10 to +35 Degrees
- AZ Angle of Fire : 60 Degrees
- Shell Weight :
- Muzzle Velocity : 800 m/sec
- Penetration : 33 mm/1,000 m, 44 mm/500m
- Weight : 0.335 ton
- Range : 6,000 m
Type 1 37mm AT is the improved model of Type 94 37mm AT. It has a longer barrel than Type 94 and the penetration is increased.