There are many different types of hydraulic jacks, each with its own specific purpose. Here are some of the most common:
1. C-Jack: This is a standard type of hydraulic jack used for installation and removal of bolts and other objects.
2. P-Jack: This is a special type of hydraulic jack designed for installation and removal of pipelines.
3. H-Jack: This is a specialty type of hydraulic jack that is used for Installation, Removal and Excavation (IR).
4. J-Jack: This is a specialized type of hydraulic jack that is specifically designed for use in the construction industry.
5. K- Jack: A hybridjack that combines features from two different types of Hydraulic Jacks - the P- Jack and the H- Jack.
There are also a variety of hydraulic jacks that are not typically used in the construction industry, but can be helpful for other tasks like removing nails or screws from surfaces. For example, a K- Jack can be used to remove bolts from wood.