EP-YD40-245-D5 Harvester Hydraulic Cylinder

Raydafon’s EP-YD40-245-D5 harvester hydraulic cylinder is built to handle the nitty-gritty of combine harvester work—those small, precise movements that keep your harvest on track. Think about it: when you’re adjusting the cutting platform to glide over uneven wheat fields, or tweaking the reel wheel speed to match how corn stalks feed into the machine, you need a cylinder that responds exactly when you need it. This one does that, no fuss.

It’s got a 40mm diameter, which hits that sweet spot between being compact enough to fit tight spaces and strong enough to handle all day’s work. We made the body from high-strength alloy steel—tough stuff that can take the bumps, vibrations, and stray rocks that come with field work. And to keep it from leaking when dust and moisture kick up, we use top-shelf seals from names like Kaden or Parker. Those seals don’t crack or dry out, even when the temperature swings, so you won’t be stuck fixing leaks in the middle of harvest.

Whether you’re running a standard combine or something custom-built, this cylinder fits right in. It’s part of our lineup of hydraulic cylinders for combine harvesters that just work—no guesswork, no modifications needed. And if you need something a little different? We do custom harvester hydraulic cylinders too, so it’ll play nice with your specific setup. Every unit meets ISO 9001 standards, which means we check and double-check before it leaves our shop.

Being based in China lets us keep costs down without skimping on quality. This durable harvester hydraulic cylinder comes at a price that won’t break the bank, and we can tweak things like stroke length or mounting if you need it. When harvest season is in full swing, the last thing you need is equipment that lets you down. This cylinder? It’s built to keep up, from dawn till dusk, year after year.

Key Technical Specifications

This cylinder offers a balanced combination of size, strength, and range of motion, making it suitable for a wide variety of agricultural applications.

Product Advantages

Picking the right parts can make or break your harvest season—downtime eats into profits, and efficiency keeps the work moving. That’s where Raydafon’s EP-YD40-245-D5 harvester hydraulic cylinder comes in. It’s not just another component; it’s built to give you real advantages when you need them most, whether you’re tending to a combine or other farm machinery.

What really sets this cylinder apart is how it fits into so many jobs. You don’t need a shelf full of specialized parts—this one pulls double duty, triple duty, whatever you need. It works as a reliable harvester auxiliary hydraulic cylinder, stepping in for tasks like positioning the combine reel when you’re cutting through thick crops. Need to adjust the auger to move grain smoothly? It handles that too, acting as a steady harvester auger control cylinder. Even fine-tuning the sieve or chaffer for cleaner grain? This cylinder’s got the precision for that. Having one part that does all this means fewer spares to stock, less time hunting for the right fit, and more time keeping your machines running.

Durability isn’t an afterthought here. This isn’t some light-duty piece—we built it to be a tough, long-lasting farm use hydraulic cylinder. The body’s made from high-tensile steel, strong enough to take the constant shaking and jolting of field work. The piston rod? Hard-chrome plated, so it resists scratches and rust, even when dust and mud are flying. And the seals? High-performance polyurethane, designed to hold up against moisture and debris, so you don’t get leaks that slow you down. All this adds up to a cylinder that lasts season after season, meaning you replace it less often and save money in the long run.

When a cylinder goes out, you don’t have time to mess around with modifications. That’s why we made sure the EP-YD40-245-D5 is a true replacement hydraulic cylinder for harvester setups. It’s built to precise dimensions—same installation distance, same pin-hole sizes, same port configurations as the parts you’re replacing. No need to drill new holes or adjust hoses. Just swap it out and get back to work. It’s the kind of farm equipment hydraulic cylinder that respects your time, because we know every minute offline during harvest costs you.

In the end, this cylinder’s all about making your life easier. It’s versatile enough to handle multiple jobs, tough enough to survive the field, and easy enough to install that you’re not stuck waiting. For anyone who relies on their harvesters to get the job done, that’s the kind of advantage that matters.

The Raydafon Standard of Quality and Durability

At Raydafon, we don’t just make parts—we build components that stand up to the grind of your machinery’s daily work. Our take on quality and durability isn’t just talk; it’s a way of doing things that ties together precise building, top-shelf materials, and tests that leave nothing to chance. That’s how every cylinder, including the EP-YD40-245-D5, ends up tough enough to keep up in the field and give you one less thing to worry about.

Take our manufacturing process. The EP-YD40-245-D5 comes out of our ISO 9001 certified shop, which means we stick to a system that keeps quality consistent, every time. We use advanced CNC machines to shape all the critical parts—no guesswork here. Those machines carve out every detail, from the inside of the cylinder bore to the size and placement of pin holes, to tolerances so tight they’re measured in microns. Why does that matter? It means when you slide this in as a replacement hydraulic cylinder for harvester setups, it fits like it was made for your machine—no hacking or adjusting in the field. More than that, it keeps the piston, rod, and seals aligned just right, so they wear evenly and last longer. From the first time you fire it up, it works smooth.

Then there’s the stuff we build it with. A cylinder’s only as strong as its materials, and we don’t skimp. The main body? High-tensile steel tubing, tough enough to handle those sudden pressure spikes that come with agricultural work—no bulging or giving out when things get intense. The piston rod, which takes a lot of abuse, gets special treatment: first, we harden it with induction to make the surface tough against impacts, then coat it with a thick layer of industrial hard chrome. That double protection keeps it from getting dinged or rusted, which would ruin the seals and cause leaks. Speaking of seals—we get ours from trusted suppliers, made with high-grade polyurethane or other tough compounds. They stand up to scrapes, high pressure, and all kinds of temperatures, so they don’t dry out or crack when the weather swings. It’s all these little choices that make our harvester hydraulic cylinder models last season after season.

And we don’t just assume it’ll work—we prove it. Every single hydraulic cylinder we make, including every EP-YD40-245-D5, goes through a 100% pressure test before it leaves our shop. This isn’t a quick check—we crank the pressure up to 1.5 times its rated capacity and hold it, watching for leaks or weak spots. We also test for internal bypass, making sure the cylinder stays put when it’s under load, no drifting. That way, when you get a heavy-duty harvester hydraulic cylinder from us, you know it’s leak-free and structurally solid. No surprises, just a part that does its job when you need it most.