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07/04/2025How to install tugboat cylindrical fenders on the boat?
Tugboats and Their Essential Fenders
Tugboats are vital vessels that help move much larger ships. They act as the workhorses of the water, pushing and pulling big cargo ships, tankers, and cruise liners. Tugboats assist these large vessels in several crucial ways:
- Docking and Undocking: They safely guide huge ships into and out of ports, which can be tricky due to currents and limited space.
- Navigating Tight Spots: Tugboats steer big ships through canals, rivers, and other narrow areas where the larger vessels might struggle to maneuver on their own.
- Assisting Disabled Ships: If a ship breaks down or gets stuck, a tugboat can tow it to safety.
Without tugboats, global shipping would be far more difficult and dangerous.

The Importance of Tug Cylindrical Fenders
Now, let’s talk about why the cylindrical fenders on a tugboat are so important. These are the tough, rubber cushions you see along a tugboat’s sides. They are crucial for protecting both the tug and the much larger ships it works with.
Here’s why they matter so much:
- Protection Against Impact: When a tugboat pushes or pulls a large ship, there’s a lot of contact. Fenders absorb the shock of these impacts, preventing damage to both the tugboat’s hull and the hull of the larger ship. Without them, you’d see many dents and scrapes!
- Preventing Costly Damage: Repairing a ship’s hull is expensive and takes time. Fenders act as a buffer, greatly reducing the risk of expensive repairs for everyone.
- Increased Safety: By preventing damage and creating a softer point of contact, fenders make docking, undocking, and maneuvering much safer for the crews on both vessels.
- Providing Grip: The cylindrical shape and material of the fenders also help the tugboat “grip” the larger vessel. This provides the necessary friction for effective pushing and pulling.
So, while tugboats do the heavy work, their cylindrical fenders are the unsung heroes that ensure those interactions happen safely and without damage. They are an essential piece of equipment for any working tugboat!

How to Install Cylindrical Fenders
Installing cylindrical fenders on your tugboat is important for protecting your vessel. Here’s a simple guide on how to do it:
Small Fenders (Diameter 500mm or Less)
For smaller fenders, the process is straightforward:
- First, get a long chain.
- Thread this chain right through the middle hole of the fender.
- Once the chain is through, use buckles to secure it tightly. This will hold the fender firmly against the boat.
Large Fenders (Diameter Greater Than 500mm)
Larger fenders need a bit more support to stay in place:
- Just like with small fenders, you’ll need to pass a long chain through the center hole. This is the main way to attach it.
- Next, you’ll use extra ropes or chains. These will fit into special grooves on the outside of the fender.
- These extra ropes or chains give the fender more stability. They help keep it from moving around too much, making sure it stays firmly in place to protect your tugboat.

At NANHAI, we understand the critical role tugboats play and the importance of quality fendering. We are committed to providing reliable solutions for your marine needs.