Tie Rod vs. Welded Cylinders: Which One is Right for Your Application?

Hydraulic cylinders are a critical component in countless industries, from construction and oil & gas to agriculture and manufacturing. Among the most common types of hydraulic cylinders are tie rod cylinders and welded cylinders, both of which excel in different applications. 

If you're looking to choose between the two, understanding their construction, advantages, and ideal use cases is essential. This guide breaks down the key differences between tie rod and welded cylinders, so you can make informed decisions for your operations.

What is a Tie Rod Cylinder?

A tie rod cylinder is a type of hydraulic cylinder held together using high-strength steel tie rods. The rods run the length of the cylinder, keeping the baseplate and gland secured.

Key Features of Tie Rod Cylinders:

• Easily Repairable 

These cylinders are built to be disassembled efficiently, making them simple to repair and maintain in the field. With just a wrench, you can remove the tie rods, open the cylinder, and service its internal components.

• Compact Design for Specific Applications 

Tie rod cylinders are generally found in applications where space is constrained and the cylinder size needs to remain standard.

Ideal Use Cases:

Tie rod cylinders are most commonly found in:

• Industrial machinery

• Food processing equipment

• Medical devices like hospital beds

If your operation involves controlled environments or predictable loads, tie rod cylinders often fit the bill perfectly.

What is a Welded Cylinder?

Unlike tie rod cylinders, a welded cylinder relies on a single, sealed construction. The end caps are welded directly to the body of the cylinder, eliminating the need for tie rods altogether.

Key Features of Welded Cylinders:

• Durable and Compact Design 

Welded cylinders offer a sturdy and sleek design, which is particularly advantageous in demanding, high-pressure applications. They can endure higher stress and loads compared to tie rod cylinders. 

• Requires Specialized Tools for Repairs 

Repairing welded cylinders typically requires a vise grip and spanner wrench for gland removal. This makes fixing them slightly more technical than tie rod cylinders.

Ideal Use Cases:

Welded cylinders are designed for heavy-duty environments such as:

• Construction equipment (e.g., excavators, loaders)

• Farming machinery

• Oil & gas applications where rugged durability is essential

Their compact design and high reliability make them a preferred choice for mobile equipment.

Key Differences Between Tie Rod and Welded Cylinders

1. Construction

• Tie Rod Cylinders: Held together by external tie rods, making them easier to disassemble. 

• Welded Cylinders: Features a seamless body with welded ends for added durability.

2. Maintenance and Repair

• Tie Rod Cylinders: Easier to repair in the field with basic tools. 

• Welded Cylinders: Require more advanced tools and technical expertise for maintenance.

3. Durability

• Tie Rod Cylinders: Better suited for lower pressure and controlled applications. 

• Welded Cylinders: Can endure higher pressure and are built to withstand more rugged environments.

4. Application Suitability

• Tie Rod Cylinders: Best for stationary, indoor applications with predictable conditions. 

• Welded Cylinders: Ideal for mobile, heavy-duty operations with high performance demands.

5. Cost

• Tie Rod Cylinders: Tend to be more cost-effective and easier to replace due to simple construction. 

• Welded Cylinders: Slightly more expensive upfront but offer long-term reliability for extreme conditions.

Which Cylinder Should You Choose?

The choice between a tie rod cylinder and a welded cylinder ultimately depends on your application and priorities. Here’s a quick comparison to help you decide:

• Tie Rod Cylinder: Tie rod cylinders are easy to maintain with basic tools. They are durable in controlled conditions and cost-effective, making them ideal for stationary, industrial applications.
• Welded Cylinder: Welded cylinders are more durable and designed for high-pressure, rugged environments. Maintenance requires specialized tools, and they have a higher upfront cost, making them perfect for mobile and heavy-duty applications.

If you're working in environments that require extensive field maintenance, like a factory floor, tie rod cylinders are your best bet. However, if your equipment operates in tough conditions—such as construction sites or oil fields—welded cylinders are designed to handle the pressure.

Why Choose Bailey for Your Hydraulic Cylinder Needs?

Bailey is a trusted leader with over four decades of expertise in hydraulics. Whether you're in construction, oil & gas, manufacturing, or agriculture, we provide top-quality hydraulic solutions you can rely on.

Here’s why professionals choose Bailey:

• Comprehensive Product Line: From tie rod cylinders to welded cylinders, we offer a wide range of standard and custom options.

• Expert Support: Need help finding the right cylinder for your application? Our engineering team is here to provide technical guidance. 

• Reliable Delivery: With strategically located warehouses, we ship to most locations in just 2 days.

For more detailed specifications or to explore our hydraulic solutions, reach out to Bailey International today.

Not sure which cylinder suits your needs? Contact our team today to explore your options.