Is Gabelstapler der, die or das?

The correct German article for Gabelstapler is der. The noun Gabelstapler is Masculine. So you always say: der Gabelstapler. Learn the article together with the noun — German nouns don't follow predictable gender rules most of the time.

The plural of Gabelstapler is: die Gabelstapler. In the plural, every German noun takes the article "die". So: die Gabelstapler. Example: ein Gabelstapler → zwei Gabelstapler.

Correct: die Gabelstapler. The form "die Gabelstaplers" is wrong. The plural of der Gabelstapler is die Gabelstapler. In the nominative plural, you always use the article "die".

der Gabelstapler follows the four German cases. Nominative: der Gabelstapler, Accusative: den Gabelstapler, Dative: dem Gabelstapler, Genitive: des Gabelstaplers. In plural: die Gabelstapler / den Gabelstaplern. Learn these forms together with the noun.

The genitive singular of der Gabelstapler is: des Gabelstaplers. The genitive plural is der Gabelstapler. German uses the genitive to express possession or belonging. Example: die Farbe des Gabelstaplers.

The dative plural of Gabelstapler is: den Gabelstaplern. In German, dative plural nouns usually end in "-n". So you say: "mit den Gabelstaplern". Use this case after prepositions like mit, von, bei, zu.

Gabelstapler ends in -er. German nouns with this ending are almost always masculine. Nouns ending in -er are often masculine (der), especially job titles and agent nouns. That's why the article for Gabelstapler is der.

Gabelstapler is a noun and must be capitalized in German. You'll find example sentences above for each case. The article der stays the same in nominative singular but changes in other cases. Practice declension in your own sentences.

Yes, Gabelstapler is a noun (also called a substantive). German nouns are always capitalized. The article for Gabelstapler is der. Every German noun has a fixed article you must memorize.