Log Splitter Hydraulic Cylinders
Log splitter hydraulic cylinders by AGKNX are heavy-duty and premium quality hydraulic equipment that can withstand up to 3500 psi of operating pressure. Our premium quality log splitter cylinders can help you save plenty of time and labor-intensive work. It can help to complete various jobs in different industries, such as technology, forestry, domestic settings, and other mobile hydraulic applications.
Hydraulic Cylinder for Log Splitter
Made from quality steel and chrome plating, our log splitter hydraulic cylinders can handle the toughest wood splitting jobs without disappointment. High tensile honed cold-drawn tube for durability. High tensile ground and polished hard chrome plated rod. The base end of the cylinder comes with a welded clevis mount for added strength and durability. The rod end comes with a drilled pin-hole for added flexibility and customization. Rod seals are composed of high-quality U-cup polyurethane with an inner O-ring, POM-C wear rings, and a polyurethane wiper.
The replacement parts are also available, making them a great choice to build your log splitter. You can use them with different equipment for log splitting, like a skid steer, electric, gas, or 3-point tractor. We provide hydraulic cylinders for log splitters in varying sizes.
What is the Hydraulic Cylinder for a Log Splitter?
A log splitter hydraulic cylinder is a critical component in hydraulic log splitters, machines designed to split logs into smaller pieces for firewood or other uses. It’s a robust, steel-constructed cylinder that uses hydraulic fluid pressure to generate the force needed to drive a splitting wedge through wood. The cylinder houses a piston that moves back and forth within a sealed chamber, powered by pressurized hydraulic fluid supplied by a pump. Typically, these cylinders are double-acting, meaning they can extend and retract the piston using hydraulic pressure in both directions for efficient operation. They come in various sizes, with bore diameters (e.g., 4–5 inches) and stroke lengths (e.g., 24–30 inches) tailored to the splitter’s tonnage (force output, often 20–60 tons). Built to withstand high pressures (up to 3,000 PSI), they feature durable seals and rods to ensure reliability under heavy loads.
Log Splitter Hydraulic Cylinder Parts
(1) Cylinder Barrel:
The cylinder barrel is a robust, seamless steel tube that houses the piston and hydraulic fluid. It withstands high internal pressures (up to 3,000 PSI) during log splitting, ensuring structural integrity. Its smooth interior reduces friction, allowing efficient piston movement and consistent force delivery.
(2) Piston:
The piston is a precision-machined component that moves within the cylinder barrel, driven by hydraulic fluid pressure. It separates the cylinder into two chambers and transfers force to the rod, enabling the splitting wedge to cut through logs. Durable seals prevent fluid leaks.
(3) Piston Rod:
The piston rod, typically made of hardened steel, connects the piston to the splitting wedge. It extends and retracts to deliver the splitting force. Chrome plating resists corrosion and wear, ensuring smooth operation and longevity under heavy loads and repetitive cycles.
(4) Seals and Gaskets:
Seals and gaskets, made from durable materials like polyurethane or rubber, prevent hydraulic fluid leaks around the piston and rod. They maintain pressure integrity, ensuring efficient operation. Regular inspection for wear is crucial to avoid performance loss or system contamination.
(5) End Caps:
End caps, or cylinder heads, seal the barrel’s ends, enclosing the hydraulic system. One cap includes a port for fluid entry/exit, while the other anchors the rod. Made of steel, they withstand high pressures and ensure a secure, leak-free assembly.
(6) Hydraulic Ports:
Hydraulic ports are threaded openings on the cylinder for connecting hoses to the hydraulic pump. They allow pressurized fluid to enter and exit, driving the piston’s movement. Precision design ensures leak-free connections, critical for maintaining consistent splitting force and system efficiency.
How Does a Hydraulic Log Splitter Cylinder Work?
When the operator activates the splitter (via a control valve), pressurized fluid enters the cylinder’s base-end port, pushing the piston forward. The piston, sealed tightly to prevent leaks, moves the attached rod, which drives the splitting wedge into the log with immense force (often 20–60 tons, depending on the cylinder’s bore size and pressure rating). The log splits as the wedge overcomes its resistance. Once split, the control valve redirects fluid to the rod-end port, forcing the piston to retract, pulling the wedge back for the next cycle. The fluid displaced during retraction returns to the reservoir through a return line.
Seals and gaskets ensure no fluid escapes, maintaining pressure and efficiency. The system’s precision—relying on the pump, valve, and cylinder coordination—ensures smooth, powerful operation. Regular maintenance, like checking for seal wear or fluid contamination, keeps the cylinder reliable for heavy-duty splitting tasks.


Custom Log Splitter Hydraulic Cylinders
Custom log splitter hydraulic cylinders are specialized components designed to meet specific performance and equipment requirements for log splitting applications. Available in various tonnage ratings,such as 27 ton hydraulic cylinder for log splitter, 20 ton hydraulic cylinder for log splitter, 25 ton hydraulic cylinder for log splitter, 30 ton hydraulic cylinder for log splitter, 35 ton hydraulic cylinder for log splitter, 40 ton hydraulic cylinder for log splitter, 50 ton hydraulic cylinder for log splitter, 60 ton hydraulic cylinder for log splitter, these cylinders deliver the force necessary to split logs of varying sizes and densities.
When designing custom cylinders, we offer a variety of tubing options to suit specific performance and cost requirements. Our rod plating options, such as chrome or nickel plating, enhance corrosion resistance and extend the cylinder’s lifespan. Customers can also choose from a range of seals to ensure leak-proof operation under high pressure.
To accommodate unique mounting requirements, we provide a variety of mounting ends, including clevis, trunnion, and cross-tube designs. Additionally, we offer a wide range of pressure ratings, ensuring the cylinder can handle heavy-duty tasks. Customization options also extend to color finishes, allowing customers to align their cylinders with specific branding or aesthetic preferences.
All custom hydraulic cylinders are delivered with customized packaging and labeling, ensuring safe transport and professional presentation. With a minimum order quantity of 50 SKUs, AGKNX guarantees cost-effective production without compromising quality. As a trusted source, we take pride in delivering tailored solutions to meet the unique needs of our clients.
Replacement Hydraulic Cylinder for Log Splitter
1. Shut Off the Power and Relieve Hydraulic Pressure
Begin by turning off the log splitter and disconnecting it from any power source. Relieve the hydraulic pressure by engaging the control valve in both directions. This ensures safe handling of the system and prevents accidents.
2. Drain Hydraulic Fluid
Locate the hydraulic fluid reservoir and drain the fluid to avoid spills during the replacement process. Use a container to catch the fluid, and ensure that the area is clean to prevent contamination when refilling.
3. Disconnect Hydraulic Hoses
Carefully disconnect the hydraulic hoses connected to the cylinder. Use wrenches to loosen the fittings while ensuring you don’t damage the threads. Label or note the hose positions for proper reassembly later.
4. Remove the Old Cylinder
Unbolt the mounting pins or brackets securing the hydraulic cylinder to the log splitter. Gently slide out the cylinder, ensuring you don’t damage any surrounding components. Inspect the mounts for wear or damage before installing the new cylinder.
5. Install the New Cylinder
Position the new hydraulic cylinder and secure it with the mounting pins or brackets. Reconnect the hydraulic hoses in their correct positions, ensuring the fittings are tight and leak-free. Verify alignment for proper operation.
6. Refill Hydraulic Fluid and Test
Refill the reservoir with clean, recommended hydraulic fluid. Power on the log splitter and test the new cylinder by running it through several cycles. Check for leaks and ensure smooth operation before resuming regular use.
Selecting a Log Splitter Hydraulic Cylinder
When considering the purchase of a log splitter hydraulic cylinder, it is important to evaluate key specifications such as:
- Bore Diameter: The bore diameter determines the cylinder’s force output. A larger bore diameter allows the cylinder to generate higher splitting force, making it suitable for handling tougher or larger logs with ease.
- Rod Diameter: The rod diameter impacts the strength and durability of the cylinder. A thicker rod resists bending or breaking under high pressure, ensuring reliable performance during heavy-duty log-splitting tasks.
- Pin Hole Diameter: The pin hole diameter dictates how the cylinder mounts to the log splitter. It must match the splitter’s existing pin sizes to ensure proper alignment, secure attachment, and smooth operation.
- Single or Double Acting: Single-acting cylinders use hydraulic pressure only in one direction, while double-acting cylinders operate in both directions. Double-acting models offer faster and more efficient operation, especially for larger or commercial applications.
- Materials and Coatings: High-quality materials like steel and protective coatings, such as chrome-plating, enhance the cylinder’s resistance to corrosion, wear, and environmental damage, ensuring a longer lifespan and better performance in outdoor conditions.
- Application: Consider the specific application, including the type and size of logs being split. Cylinders designed for heavy-duty or industrial use should have higher pressure ratings and robust construction for optimal performance.

FAQ of Hydraulic Log Splitter Cylinder
How to Bleed Hydraulic Cylinder for a Log Splitter?
What Size Hydraulic Cylinder for Log Splitter?
Log Splitter Hydraulic Cylinder Disassembly Steps
- Relieve Hydraulic Pressure
Turn off the log splitter and relieve hydraulic pressure by moving the control valve in both directions. This ensures safety and prevents fluid leaks or sudden movements during disassembly. - Drain Hydraulic Fluid
Disconnect the hydraulic hoses and drain the fluid from the cylinder into a clean container. Properly dispose of or recycle the fluid if it’s no longer usable. - Remove the Cylinder from the Splitter
Unbolt the mounting pins or brackets holding the cylinder in place. Gently slide the cylinder out, ensuring you don’t damage nearby components or hoses during removal. - Open the Cylinder
Secure the cylinder in a vice or on a stable surface. Remove the end caps or retaining rings with appropriate tools to access the internal components, such as the piston and seals. - Disassemble Internal Parts
Slide out the piston rod assembly. Inspect the piston, rod, and seals for wear or damage. Use a seal puller or similar tool to remove old seals. - Clean Components
Thoroughly clean all disassembled parts with hydraulic fluid or a suitable cleaning agent. Ensure there’s no debris or residue before reassembly or replacement of damaged components.