The PA-17 Heavy Duty Linear Actuator provides cost-effective high force capabilities. The stainless steel shaft accompanied by metal gears allows it to push and pull up to 2000 lbs, and hold up to 4000 lbs. The environmental protection rating provides a versatile unit able to withstand dust, water, and harsh environments. The heavy-duty actuator is the only unit in our line of products with adjustable limit switches. This feature allows the user full control over where to start and stop the actuator