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Hydraulic lifting cylinders are indispensable tools in various industrial applications, from construction to manufacturing. Selecting the correct cylinder ensures operational efficiency, safety, and longevity for your equipment. Understanding key specifications and features will help you make an informed decision.
Superior Build Quality: All-Welded Design, Heavy-Duty Steel Construction, High Strength, and Impact Resistance to withstand Corrosion and Harsh Outdoor Conditions; High-Quality Compact Seals Prevent Leakage and Rust Particles.
Strong Compatibility and Universal Design: The AMRAP Cross Tube hydraulic cylinder seamlessly integrates with front-end loaders from all leading brands, serving as an affordable replacement for the original equipment
2-Year Manufacturer’s Warranty: All AMRAP Hydraulics products come with a 2-year manufacturer's warranty*. That’s 24 months of peace of mind!
Durable & Corrosion-Resistant : Built with high-carbon steel and a hardened black oxide plunger, this hydraulic cylinder is designed to withstand extreme pressure and resist rust, ensuring long-lasting performance even in harsh environments.
Precision Engineering : Featuring a robust construction and smooth operation, this hydraulic ram provides reliable and consistent lifting power. The hard-coated plunger ensures minimal wear and tear, even under frequent use.
Powerful 20-Ton Capacity : This hydraulic ram jack delivers exceptional lifting force, making it ideal for heavy-duty tasks in automotive repair, construction, and industrial applications. Its compact design ensures easy maneuverability in tight spaces.
Complete Customer Support : Backed by a 1-year warranty and dedicated customer service, we ensure your satisfaction. Contact us for any assistance, and enjoy peace of mind with your purchase.
Used with Hydraulic Pumps: 20T Jacks is available for CP-180 hydraulic pump, it has multiple functions such as lifting, jacking, shoveling and dismantling, and can be quickly installed with quick connectors.
Portable: This hydraulic cylinder is easy to carry, small in size but strong in load-bearing capacity, especially suitable for lifting and supporting work, good sealing and no oil leakage, comfortable to use with non-slip handle.
Dust-proof Cover: 2 inch single acting lifting cylinders made of heavy duty metal construction, smooth surface, designed for long-term use. It widely used in electric power, industry, steel, bridge, shipbuilding, machinery and other industries.
Design for Tight Spaces: It can be used in a narrower and lower space, effectively increasing the stroke of the jack within the height range of the vehicle body, making the heavy lifting higher and more convenient to use.
Note: The side return valve of the manual pump must be tightened clockwise. The rear support bracket should be positioned upright, allowing oil to flow to the piston's pressure-building position.
Heavy Duty Jack: Made of heavy-duty metal construction, our hydraulic cylinder jack is durable and designed for long-lasting use. Paint spraying at the surface, prevent scratching and corrosion.
Large Lifting Capacity: Our ram hydraulic cylinder is designed to provide reliable support during operation. No stuck when lifting, large 30 T/66000 LBS tonnage, enough stroke(100 mm/4 inches).
Convenient Use: Quick connecting head with dust cover, avoid the jack's inside from dust, features the firm connection with no leakage. A portable handle increases flexibility and convenience.
Smooth Surface: The hydraulic ram cylinder features a smooth surface with circle texture, provide reliable support during working.
Wide Usage: This hydraulic jack cylinder has the advantage of small size, suitable for narrow space. A great helper for riggers, fabricators, welders, and automotive body and frame shops in electric power, chemical industry, steel, Bridges, machinery, and...
Heavy Duty Jack: Made of heavy-duty metal construction, our hydraulic cylinder jack is durable and designed for long-lasting use. Paint spraying at the surface, prevent scratching and corrosion.
Large Lifting Capacity: Our ram hydraulic cylinder is designed to provide reliable support during operation. No stuck when lifting, large 20 T/44000 LBS tonnage, enough stroke(100mm/4 inches).
Convenient Use: Quick connecting head with dust cover, avoid the jack's inside from dust, features the firm connection with no leakage. A portable handle increases flexibility and convenience.
Smooth Surface: The hydraulic ram cylinder features a smooth surface with circle texture, provide reliable support during working.
Wide Usage: This hydraulic jack cylinder has the advantage of small size, suitable for narrow space. A great helper for riggers, fabricators, welders, and automotive body and frame shops in electric power, chemical industry, steel, Bridges, machinery, and...
20 US Ton Capacity. 4" Stroke Hollow Hydraulic Cylinder Ram
Connector Type: 3/8" NPT CR-400 quick hydraulic coupler with dust cap
Max Pressure 10,000 PSI. Single acting - Pressure extend, Spring return.
Hard black oxide plated high carbon steel ram. Proprietary heat-treated steel shell.
This hydraulic jack cylinder has the advantages of small size, suitable for narrow space position. A great helper for riggers, fabricators, welders, and automotive body and frame shops in electric power, chemical industry, steel, Bridges, machinery, and...
Heavy Duty Jack: Made of heavy-duty metal construction, our hydraulic cylinder jack is durable and designed for long-lasting use. Paint spraying at the surface, prevent scratching and corrosion.
Large Lifting Capacity: Our ram hydraulic cylinder is designed to provide reliable support during operation. No stuck when lifting, large 60 T/130000 LBS tonnage, enough stroke(50mm/2 inches).
Convenient Use: Quick connecting head with dust cover, avoid the jack's inside from dust, features the firm connection with no leakage. A portable handle increases flexibility and convenience.
Smooth Surface: The hydraulic ram cylinder features a smooth surface with circle texture, provide reliable support during working.
Wide Usage: This hydraulic jack cylinder has the advantage of small size, suitable for narrow space. A great helper for riggers, fabricators, welders, and automotive body and frame shops in electric power, chemical industry, steel, Bridges, machinery, and...
Last update on 2026-09-01 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Hydraulic Lifting Cylinders
Understanding Hydraulic Cylinder Types
Hydraulic cylinders are broadly categorized by their design and function. Single-acting cylinders use hydraulic pressure to move the piston in one direction, with external force or gravity returning it. Double-acting cylinders use hydraulic pressure for both extension and retraction, offering more control. Telescopic cylinders provide a long stroke from a compact retracted length, ideal for space-constrained applications.
Key Specifications to Consider
Bore Diameter: This determines the cylinder's force output; a larger bore means more force for a given pressure.
Stroke Length: The distance the piston travels, which must be sufficient for the intended application.
Pressure Rating: The maximum operating pressure the cylinder can safely handle, crucial for matching with your hydraulic system.
Mounting Style: Cylinders come with various mounting options (e.g., clevis, flange, foot) that must be compatible with your equipment's structure.
Material and Durability
The materials used significantly impact a cylinder's lifespan and performance. Look for cylinders constructed from durable materials like high-strength steel. Seals are also critical; quality seals prevent leaks and contamination, extending the cylinder's service life. Consider the operating environment; corrosive or high-temperature settings may require specialized materials or coatings.
Application-Specific Features
Some cylinders offer features tailored to specific needs. Adjustable cushioning can help control speed at the end of the stroke, reducing shock. Integrated valves or sensors can add functionality. For mobile equipment, consider cylinders designed for shock and vibration resistance.
Comparison Tips
Match the cylinder's pressure rating to your hydraulic power unit's capabilities.
Ensure the bore diameter and stroke length meet the force and reach requirements of your task.
Verify the mounting type is suitable for secure and stable installation.
Read reviews focusing on reliability and performance in similar industrial environments.
Frequently Asked Questions
What is the difference between single-acting and double-acting cylinders?
Single-acting cylinders use hydraulic fluid to push or pull in one direction, relying on external forces like gravity or a spring for the return stroke. Double-acting cylinders use hydraulic fluid to power both the extension and retraction movements, offering greater control over the piston's motion.
How does bore diameter affect a hydraulic cylinder's performance?
The bore diameter directly influences the cylinder's force output. A larger bore diameter, when subjected to the same hydraulic pressure, will generate a greater amount of force compared to a cylinder with a smaller bore.
What is a hydraulic cylinder's pressure rating?
The pressure rating indicates the maximum hydraulic pressure the cylinder is designed to withstand safely during operation. It's crucial to select a cylinder with a pressure rating that meets or exceeds the requirements of your hydraulic system.
Why is the stroke length important?
The stroke length defines the maximum distance the piston rod can extend or retract. You need to ensure this length is sufficient to perform the intended lifting or pushing task without being excessively long, which could lead to inefficiencies or damage.
What are common mounting styles for hydraulic cylinders?
Common mounting styles include clevis mounts, flange mounts, and foot mounts. The choice of mounting style depends on how and where the cylinder will be attached to the machinery or structure it will operate with.
How do I choose the right material for my hydraulic cylinder?
Consider the operating environment. For standard conditions, steel is common. If the cylinder will be exposed to moisture, chemicals, or extreme temperatures, look for corrosion-resistant coatings or specialized alloys to ensure durability and prevent premature failure.
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