Which type of hydraulic actuator commonly works alongside axial piston pumps in steering systems?

The correct answer identifies linear actuators as the type of hydraulic actuator that commonly works with axial piston pumps in steering systems. Linear actuators are designed to create linear motion, which is essential in applications where precise movements are needed, such as in steering mechanisms.

In the context of hydraulic systems, axial piston pumps are capable of providing high-pressure fluid flow, which can then be used to drive linear actuators. These actuators transform the hydraulic pressure into a controlled linear movement, facilitating a smooth and responsive steering operation. This combination is particularly valuable in hydraulic steering systems found in vehicles and machinery, where responsive control and efficiency are key.

Though rotary actuators also work with hydraulic systems, they typically produce rotational movement rather than linear movement, making them less suitable for applications focused on steering. Pneumatic actuators, on the other hand, utilize air pressure rather than hydraulic fluid, which is not applicable in this context. Finally, electric actuators operate on electrical principles, differing fundamentally from hydraulic systems that leverage fluid pressure. Thus, linear actuators align best with the functionality required in steering systems alongside axial piston pumps.