The Replacement of AA77017 Main Lift Hydraulic Cylinder is an essential component for various machinery models, including DB60T, DB74, DB80, DB88, DB90, and DB120. The hydraulic cylinder is responsible for converting the hydraulic power into mechanical force, which in turn moves the machine's components. It is a critical part of the machinery's hydraulic system and plays a crucial role in its functioning.
The Replacement of AA77017 Main Lift Hydraulic Cylinder weighs 175 pounds, with a height of 6.75 inches, a length of 35.75 inches, and a volume of 18.136 gallons. It is compatible with various machinery models, including DB60T, DB74, DB80, DB88, DB90, and DB120.
Our hydraulic cylinders are designed to meet or exceed OEM specifications, ensuring that they provide reliable and efficient performance. Furthermore, we offer a perfect fit guarantee, making them an ideal replacement for existing hydraulic cylinders. Our products are highly durable and long-lasting, providing a reliable solution for all industrial applications.
The hydraulic cylinders are commonly used in construction equipment such as cranes, hoists, and elevators. They are responsible for lifting and moving heavy loads and ensuring their stable fixation.
The hydraulic cylinders are used in press machines to shape materials under high pressure, requiring a stable and secure fixation of the materials during the manufacturing process.
The hydraulic cylinders are used in vehicles as stabilizers and jacks, ensuring safety during maintenance or transportation.
The hydraulic cylinders are used in the landing gear system of aircraft to fix the landing gear in the right position during takeoff and landing.
Our hydraulic cylinders use various sealing components, including piston seals and rod seals that are made of wear-resistant materials such as polyurethane and nitrile rubber. The cylinder body and threaded end faces are finely machined to improve wear resistance. Regular lubrication is necessary to prevent damage due to friction and reduce wear on the hydraulic cylinder's components.
Regular maintenance is essential to ensure that the hydraulic cylinder operates correctly. The following are common maintenance tasks:
Proper installation and calibration are critical to ensure the hydraulic cylinder's optimal performance. It is essential to follow the manufacturer's installation instructions and use suitable tools and equipment to prevent damage to the hydraulic cylinder or the machinery it is installed on.
Hydraulic cylinders are powerful components that can pose risks to personnel if not installed or operated correctly. It is essential to follow all safety guidelines and regulations when using hydraulic cylinders. Environmental factors such as temperature, humidity, and contamination can affect the hydraulic cylinder's performance and lifespan. It is essential to consider these factors when selecting and maintaining hydraulic cylinders.
Common issues with hydraulic cylinders include leaks, poor performance, and damage to components. It is important to diagnose these issues early to prevent further damage or failure. The following are common troubleshooting tips:

The following are some installation tips for hydraulic cylinders:
We are a leading manufacturer and wholesale distributor of hydraulic cylinders, with a wide range of products to meet the needs of various industrial applications. Our products are designed to meet or exceed OEM specifications, providing reliable and efficient performance. We also offer custom design services and international certification to ensure that our products meet the highest standards of quality and safety. With our state-of-the-art facilities and experienced team of professionals, we are committed to providing the best possible products and services to our customers.

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