| Modell | Volumen der Hydraulikflüssigkeit des Oberwagens |
|---|---|
| NK550VR | 695 l. - 183.6 gal |
| NK500E-V | 650 l. - 171.7 gal |
| NK300E-V | 420 l. - 111 gal |
| NK250E-V | 380 l. - 100.4 gal |
| NK200E-V | 310 l. - 81.9 gal |
| NK1600 | 1350 l. - 356.6 gal |
| NK1200 | 1250 l. - 330.2 gal |
| CR250 | 440 l. - 116.2 gal |
| CR100 | 150 l. - 39.6 gal |