Single-Acting Teleacopic Hydraulic Cylinders

After decades in the hydraulic parts business, when HCIC built the S63MB-8-140 single-acting telescopic hydraulic cylinder, we had one goal: skip the fancy, meaningless specs—every dimension has to solve actual problems on construction sites, mines, and farm fields. Whether it’s mounted on an excavator’s mini arm or an agricultural lift arm, this cylinder’s parameters were tweaked to fit equipment’s installation space and working stroke down to the millimeter. Let’s break down how these specs match up with what you actually need on the job.

Three-Stage Design: Big Stroke, Even in Tight Spaces

If you work in construction or mining, you know the frustration: equipment has tiny mounting spots, but you need a cylinder that extends far enough to get the job done. That’s exactly what we fixed with the S63MB-8-140:

• 6-inch stage outer diameter + 3 telescopic stages: We went with a 6-inch base outer diameter and a three-stage nested design to keep the cylinder from taking up extra radial space, while the multi-stage stretch gives you the long stroke you need. Think mining machinery telescopic booms or excavator mini arms—tight spaces where you can’t afford to compromise on stroke length or fit. This cylinder slides right in and delivers the reach without forcing you to rework the equipment’s frame.

• 140.35-inch stroke (A): This stroke length isn’t arbitrary. It’s perfect for light and medium-duty gear—long enough to handle lifting, pushing, and reaching tasks, but not so long that it’s a nightmare to install or wastes hydraulic power. Single-stage cylinders often miss this sweet spot, but our three-stage design hits it dead on for real job site needs.

Open/Closed Lengths: Built for How You Actually Use Your Equipment

A cylinder’s retracted and extended lengths aren’t just numbers on a sheet—they have to work with how your machine moves and stores. We set these dimensions for practicality, not just specs:

• 61.62-inch closed length (B) + 201.9-inch open length (C): When it’s retracted, it’s compact enough to keep your machine small for transport or storage—no more struggling to fit equipment on a trailer or in a shed. When fully extended, it reaches far enough to cover the working range of farm lift arms, logistics telescopic forks, and more. It’s not just about fitting the machine’s frame; it’s about fitting how you run your operations day in and day out.

Assembly Specs: Easy to Install, Built to Last

In custom hydraulic setups, small assembly details cause big headaches—misaligned pins, ill-fitting widths, and parts that wear out fast from poor alignment. We designed the S63MB-8-140’s assembly specs to make your life easier:

• 1.5-inch pin diameter (G) + 14.37-inch TR to PIN (J): These pin sizes match the hinge points on most industrial machinery, so you won’t need to machine custom brackets or pins to mount it. The precise pin spacing also makes sure the cylinder bears weight evenly when it moves, so you don’t get premature wear from off-kilter loading—no more replacing parts halfway through a project.

• 3.62-inch width (H) + 12.38-inch width (K) + 1.8-inch diameter (L) + 1.69-inch length (M): We added different width and auxiliary dimensions so the cylinder can mount to different parts of your machine, and pair with accessories like magnification frames and power units. It’s flexible enough to adapt to your existing setup, so you don’t have to redesign your hydraulic system around a single part.

Contact Us:

HCIC is a professional hydraulic manufacturer, mainly engaged in hydraulic system design, manufacture, installation, transformation, commissioning and hydraulic components brand sales and technical services.We hope that our product can help to save your cost and improve your quality. For More details please email us "davidsong@mail.huachen.cc" or google search "HCIC hydraulic"