EP-QJ554/31/020-1 Steering Hydraulic Cylinder

Raydafon’s EP-QJ554/31/020-1 steering hydraulic cylinder is built for any gear that needs precise steering. It runs on hydraulics—uses fluid pressure to push the piston, making steering smooth and efficient.

We made it with tough, long-lasting materials that stand up to rust and corrosion. Whether it’s out in the rain, covered in dust at a worksite, or dealing with other messy conditions, it keeps working reliably. The seals are top-notch too—no leaks, so the cylinder stays steady even after lots of use.

When it comes to specs, the working pressure and stroke are set to fit specific equipment. It delivers strong, consistent push and pull, so it handles all kinds of steering needs. You’ll find it in tractors, transport trucks, small boats, and some construction machines—wherever the steering system needs accurate, dependable power to turn flexible.

Product Specification

Product Features

The EP-QJ554/31/020-1 steering hydraulic cylinder is built to give steady, efficient steering control for medium and heavy-duty equipment. It’s designed to fit into mechanical steering systems where you need something compact but tough—especially when space, load, and working conditions are tricky.

It’s built strong: high-strength steel tubing makes up the cylinder, with the inner surface precision-honed to cut down on wear and help the seals work better. The piston rod has a hard chrome plating, which keeps it from rusting or getting scuffed up, whether it’s out in the weather or in industrial spots. These sturdy features mean it holds up over time, even when used as a hydraulic steering cylinder for farm equipment or in construction loader steering systems.

This is a double-acting steering cylinder, so it uses hydraulic power to push out and pull back. That makes it responsive even when the load changes—handy for things like articulated machinery or forklift steering systems, where you need precise turns.

Mounting it is flexible: there are clevis or flange options to fit different chassis setups. And you can get the stroke and bore size adjusted to meet OEM needs, which is good for manufacturers looking for an OEM-grade hydraulic steering cylinder that fits right into their designs.

The seals are top-quality, so there’s less internal leaking and you don’t have to maintain it as often. It works with most common hydraulic oils and handles dusty, humid, or temperature-changing environments well. That’s key for mining or off-road transport, where a reliable off-road steering actuator is a must.

How to Bleed a Hydraulic Steering Cylinder

Bleeding a hydraulic steering cylinder is all about getting rid of trapped air—air that makes steering feel unresponsive or jumpy. You’ll need to do this pretty often after installing or swapping parts, like a hydraulic steering cylinder for tractor or a forklift steering hydraulic cylinder. Do it right, and the steering stays steady, plus the system won’t wear out too soon. 

First, make sure the hydraulic reservoir has enough clean fluid, the kind the manufacturer recommends. Loosen the cylinder’s fittings a little, then work the steering back and forth from full lock to full lock a few times—either by hand or with the engine running. Take a marine hydraulic steering cylinder, for example: turning the helm slowly while keeping an eye on the fluid flow helps air bubbles escape without trouble. 

You’ll see bubbles in the fluid as the air comes out. Once only clean, bubble-free fluid is coming through the fittings, tighten everything back up good and tight. After bleeding, check the fluid level again—this is extra important for systems like a construction machinery steering cylinder or off-road vehicle steering actuator, which usually handle heavy loads. 

Always stick to the equipment’s specific instructions and be safe. Whether it’s an articulated loader steering cylinder or a basic manual setup, keeping up with regular maintenance and bleeding properly will make steering smoother and more reliable. 

About Raydafon 

Raydafon is a Chinese manufacturer that specializes in making hydraulic cylinders, mainly for farm and industrial gear. We started out making cylinders for harvesters and construction machines. But over time, as the agricultural equipment industry changed, we shifted our focus—now we specialize in tractor hydraulic cylinders and steering cylinder assemblies. That shift came from more than ten years of hands-on manufacturing experience, keeping quality steady, and continuously investing in production technology.

These days, we’ve got a full production setup: CNC machining lines, assembly lines, and surface finishing lines, all in-house. Our team’s made up of skilled technicians, engineers who’ve been around, and managers who keep things practical. We think smooth teamwork across every production step is just as important as the final product.

At Raydafon, we stick to a simple but solid principle: focus on reliable tech, keep product quality consistent, and build long-term relationships with customers. Whether you need OEM-grade cylinder hydraulics or custom solutions for tractor steering systems, we want to make parts that do their job—quietly, effectively, and for a long time.