There are four different major kinds of types of juicers: Centrifugal Juicer、Masticating Juicers、Citrus Juicer and Triturating Juicers.
Click to see the specific introduction of each juicer.

Centrifugal Juicer：

https://sifene.com/blogs/juicing-tips-for-beginners/types-of-juicers

Masticating Juicers：

https://sifene.com/blogs/juicing-tips-for-beginners/masticating-juicers

Citrus Juicers：

https://sifene.com/blogs/juicing-tips-for-beginners/citrus-juicer

Triturating Juicers：

https://sifene.com/blogs/juicing-tips-for-beginners/triturating-juicers