| Nominative | Accusative | Dative | Genitive |
| No Article |
Reservetank |
Reservetank |
Reservetank/Reservetanke |
Reservetankes/Reservetanks |
| |
| Definite Article |
der Reservetank |
den Reservetank |
dem Reservetank/Reservetanke |
des Reservetankes/Reservetanks |
| |
| Indefinite Article |
ein Reservetank |
einen Reservetank |
einem Reservetank/Reservetanke |
eines Reservetankes/Reservetanks |
| |
Plural
No Article |
Reservetanks/Reservetanke |
Reservetanks/Reservetanke |
Reservetanks/Reservetanken |
Reservetanks/Reservetanke |
| |
Plural
Definite Article |
die Reservetanks/Reservetanke |
die Reservetanks/Reservetanke |
den Reservetanks/Reservetanken |
der Reservetanks/Reservetanke |
