This hydraulic cylinder is a replacement for John Deere AHC21526 Blade Lift Hydraulic Cylinder. It is commonly used in models: 620G, 622G, 670G, 672G, 770G, 772G, 870G, and 872G. The cylinder weighs 151.79 lb and has a height of 10.6 in and a length of 66.1 in.
Our hydraulic cylinders are manufactured to replace the original John Deere hydraulic cylinders. We use high-quality materials and precision manufacturing to ensure that our products meet or exceed the specifications of the original parts.
Commonly used in cranes, hoists, and elevators to securely hold heavy loads in place.
Used in presses where materials are formed under high pressure and need to be securely held in place during the process.
Used in stabilizers and jacks for vehicles to ensure safety during maintenance or transport.
Used in landing gear systems to securely hold the landing gear in place during take-off and landing.
The hydraulic cylinder must have a load capacity that can handle the weight it is expected to lift or hold in place.
The cylinder must be properly sealed to prevent leaks and maintain pressure.
The hydraulic cylinder must be able to withstand heavy loads and repeated use.
The design must ensure that the hydraulic cylinder is safe to use and maintain.
The hydraulic cylinder must be easy to maintain and repair, with accessible components and simple replacement procedures.
We use various sealing components like piston seals, rod seals, and wear rings, made of materials like polyurethane and nitrile rubber, which provide excellent wear resistance and durability. In addition, we use high-quality hydraulic oil for lubrication and corrosion resistance.
To ensure that the hydraulic cylinder operates smoothly and efficiently, it is essential to conduct regular inspections and preventive maintenance. Common tasks include lubrication, seal replacement, and calibration checks.
During installation, it is important to properly align the cylinder and use appropriate supports to hold it securely in place. We recommend following the installation guidelines provided in the equipment manual.
Common tasks include regular inspection, proper lubrication, and seal replacement. Proper installation, lubrication, and adjustment are important to ensure optimal performance and longevity of the cylinder.
It is important to follow all safety guidelines, including wearing appropriate safety gear, when handling and installing the hydraulic cylinder. Proper disposal of used hydraulic oil is also essential to minimize environmental impact.
If the hydraulic cylinder is not functioning properly, it may be due to issues like leaking seals, damaged components, or misalignment. It is important to diagnose the problem correctly and address it promptly to minimize downtime.

We are a leading manufacturer and wholesaler of hydraulic cylinders, including replacements for John Deere hydraulic cylinders. We offer a wide range of products and services, including custom manufacturing, international certification, and after-sales support.

Author: lyl
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Luotuo Industrial Area, Zhenhai District, Ningbo City, China
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