1980 Niigata Iron Works 3UM
- Manufacturer: Niigata
- Model: 3UM
Product name: Universal milling machine | Main specifications: Table size: 370x1600 (mm), rotational speed 45-1400 rpm, 3-axis scalele
Tokigawa, Japan
1990 Niigata 2UMD
- Manufacturer: Niigata
- Model: 2UMD
Product name: Universal milling machine | Main specifications: 3-axis scale, Table 310×1370 mm, Stroke (X/Y/Z): 870x350x400, Rotation speed: 40–1750 rpm, No. 50,
Tokigawa, Japan

