Leveling Cylinder
Product description:

A leveling cylinder, also known as a hydraulic leveling cylinder or level adjustment cylinder, is a precision hydraulic component used to adjust and maintain the horizontal balance of machinery and equipment. It plays a crucial role in construction machinery, agricultural equipment, cranes, forklifts, drilling rigs, and transport vehicles, ensuring operational stability and safety on uneven ground.
hydraulic cylinders are actuators that convert hydraulic energy into linear mechanical force. They have a compact structure, high output force, and smooth operation. They are the core components for performing actions such as pushing, pulling, lifting, and pressing in various mechanical and industrial systems, and are widely used in construction machinery, metallurgy, mining, shipping, and other fields.

Parameters:

Pictures:

Structure and Working Principle

The leveling cylinder consists of a cylinder barrel, piston, piston rod, sealing system, guide bush, and hydraulic ports. When hydraulic oil enters the cylinder chamber under pressure, it pushes the piston and piston rod to extend or retract. This movement raises or lowers a section of the machine frame or suspension system, correcting any inclination and achieving a level position.

In modern construction and industrial machinery, the leveling cylinder often works together with electronic sensors or control valves to provide automatic leveling adjustment. The system continuously detects the equipment’s position and corrects any tilt in real-time, ensuring accurate and stable performance even in complex terrain or heavy-load operations.

Material and Manufacturing Process

To ensure high performance and durability, the cylinder barrel is made from high-strength alloy steel or precision cold-drawn seamless steel tubes. The inner surface is finely honed for smooth motion and excellent sealing performance. The piston rod is hard chrome plated or QPQ treated to provide superior wear resistance, corrosion protection, and long service life.

The manufacturing process involves CNC machining, robotic welding, precision grinding, and automated assembly. Each cylinder undergoes strict dimensional control, heat treatment, and surface finishing to ensure stable performance under high pressure and long-term use.

Our hydraulic leveling cylinders are designed and produced in accordance with ISO, DIN, and CE standards, guaranteeing consistent quality and international compatibility.

Key Features and Advantages

• High Precision Level Control: Enables accurate adjustment to maintain a stable and horizontal machine posture.
• High Load Capacity: Built to handle heavy loads and dynamic forces in demanding working conditions.
• Superior Sealing System: Equipped with high-performance seals from NOK, Parker, or Hallite to prevent leakage and ensure long-term stability.
• Durable and Reliable Construction: Made with alloy steel materials and treated surfaces for excellent corrosion and wear resistance.
• Smooth Operation: Advanced hydraulic design ensures stable motion and precise control throughout the full stroke.
• Customizable Options: Available in single-acting or double-acting designs, with adjustable stroke, bore size, and mounting configurations.
• Easy Maintenance: Simple structure and replaceable components make inspection and servicing convenient.

​Working principle of hydraulic cylinder:

Applications:

The hydraulic cylinder is an energy conversion device that converts hydraulic energy into mechanical energy. It is the core executive component in the hydraulic system. The hydraulic cylinder uses hydraulic oil to drive the piston to move, converting hydraulic energy into linear reciprocating motion. When the hydraulic oil enters the cylinder barrel, it pushes the piston rod to extend or retract, completing the predetermined action. The direction and speed of its movement are regulated by the hydraulic control system. The hydraulic cylinder consists of a cylinder barrel, cylinder cover, piston and piston rod, sealing device, and buffering device. According to its structure, it can be classified as piston type, plunger type, multi-stage telescopic sleeve type, and gear rack type. Hydraulic cylinders are widely used in machine tools, construction machinery, vehicles, and other fields, featuring a simple structure and smooth movement.

The hydraulic leveling cylinder is widely used in equipment that requires height adjustment or frame balancing, including:

• Construction machinery: such as bulldozers, excavators, and graders, for automatic frame leveling.
• Cranes and lifting trucks: to maintain horizontal stability during lifting operations.
• Agricultural and forestry machinery: to balance implements or attachments during uneven field operations.
• Drilling rigs and piling machines: to adjust the working platform for vertical alignment.
• Transport vehicles and trailers: for hydraulic suspension and load balancing.
• Industrial machines: such as platforms, lifts, and workbenches, to achieve accurate leveling control.
• In all these applications, the leveling cylinder ensures precision, stability, and safety, enhancing machine efficiency and extending component lifespan.

Quality Control and Testing

• Every cylinder undergoes strict inspection and hydraulic testing before delivery. Quality assurance includes:
• Hydraulic Pressure and leakage testing under rated loads
• Dimensional accuracy verification
• Coating adhesion and corrosion resistance testing
• Fatigue and endurance testing for long-term reliability
• All products comply with ISO, DIN, and CE standards, guaranteeing consistent performance and safety in demanding industrial environments.

Company profile:

Certification:

Packaging and Transportation:

Why us?

We focus on the research, development, production and sales of seamless steel pipes, special-shaped steel pipes and hydraulic cylinders. We have a complete production chain and an advanced equipment system, including piercing machines, cold drawing machines, hot rolling machines, high-precision flaw detection and testing equipment. The company has passed multiple authoritative certifications such as ISO9001, API, SGS, CCS, DNV, ABS, CE, RoHS, etc., ensuring that each product complies with international standards. We are committed to providing customers with high-quality, customizable solutions to meet diverse application needs.

Relying on our own built processing base and modern workshops, combined with multiple branches and storage centers across the country, we have achieved sufficient inventory and efficient logistics coordination, significantly shortening the delivery cycle and ensuring the rapid delivery of orders.

We have established a complete service and support system. After the order is signed, the professional after-sales team can provide timely and safe on-site guidance and technical support to ensure that customers are at ease throughout the process from procurement to use.

FAQ:

1. Do you support customized design and production?

Sure. We have a professional engineering team that can conduct customized design and production with special sizes, control systems or OEM according to your requirements.

2. How fast can you deliver?

In stock sizes, it takes 3-5 days. For customized sizes, it takes 30-35 days.

3. What payment methods do you support?

We support TT payment. Generally, 30% to 50% of the payment is made in advance, and the remaining amount is paid before shipment.

4. Can you provide material certification (MTC)?

Yes, we will provide MTC to you after production is completed to ensure that the material quality meets the standards.

5. What is the minimum order quantity?

Generally, we accept trial orders. The minimum order quantity is 1-3 tons, which can be determined according to different products.