How to Choose RGN Lowbed Trailer

24-04-2025

How to Choose a Removable Gooseneck (RGN) Lowbed Semi Trailer — A Guide by ZW Group

When it comes to transporting heavy machinery, oversized equipment, or tall cargo, a standard trailer often won't suffice. 

This is where the Removable Gooseneck (RGN) Lowbed Semi-Trailer proves its Purpose.As a trusted manufacturer, ZW Group provides insights on how to select the best RGN trailer for your needs.

Removable Gooseneck lowbed semi trailer

Understand Your Load Requirements

Before making a decision, carefully evaluate:

  • Weight capacity – Determine the heaviest load you need to transport. Standard RGN trailers range from 35 tons to over 100 tons capacity.

  • Dimensions – Ensure the deck length, width, and height can accommodate your largest equipment.

  • Load concentration – Check the trailer’s ability to handle concentrated weight in one section, not just evenly distributed loads.

Choose the Right Neck Type

  • RGN trailers have different neck mechanisms:

  • Mechanical Detachable – Simpler design, lower cost, but requires more effort to detach.

  • Hydraulic Detachable – Fast and convenient loading/unloading with minimal labor, ideal for frequent use.

  • ZW Group offers both options, engineered for efficiency and long-term reliability.

Why Choose an RGN Lowbed Semi-Trailer?

The primary advantage of an RGN trailer is its removable gooseneck. This design allows the front of the trailer deck to be lowered to the ground, creating a ramp-free loading method.

RGN Lowbed semi trailer

Easier and Safer Loading/Unloading: Eliminates the need for precarious ramps, reducing the risk of accidents and damage to equipment.

Ideal for Mobile Machinery: Perfect for loading vehicles that can drive themselves.

Accommodates Taller Loads: The low deck height is crucial for transporting tall machinery while staying within legal height restrictions.  

Versatility: Can handle a wide range of heavy and oversized cargo.

Gooseneck Lowboy Trailer

Key Factors to Consider When Choosing an RGN Trailer:

Matching Capacity to Cargo: Determine the maximum weight of the cargo you will transport. 

RGN trailers come in various capacities, typically indicated by the number of axles (e.g., 2-axle, 3-axle, 4-axle, or multi-axle configurations).  

Axle Requirements: More axles distribute the load over a larger area, allowing for higher weight capacities and potentially meeting road weight regulations in different regions

Low Deck Height: The lower the deck height, the taller the cargo you can legally transport. 

Removable Gooseneck lowbed semi trailer

Gooseneck Type:

Hydraulic Detachable Gooseneck: This is the most common and convenient type. A hydraulic system powers the detachment and reattachment of the gooseneck, making the process quick and easy. Requires hydraulic power from the tractor.

Mechanical Detachable Gooseneck: A more traditional and potentially lower-cost option.          Detachment typically involves pins and manual operation, which takes more time and effort but is mechanically simpler.

RGN Lowbed semi trailer

Suspension System:

Mechanical (Spring) Suspension: Durable, cost-effective, and reliable for general heavy hauling.

Air Suspension: Offers a smoother ride, better load equalization between axles, and the ability to adjust deck height, which can be beneficial for loading/unloading and navigating uneven terrain or obstacles.

Hydraulic Suspension: Found on heavy-duty and multi-axle RGNs, offering excellent load distribution, axle steering capabilities, and precise height control, crucial for complex heavy hauls.

Gooseneck Lowboy Trailer

Braking System:

Safety First: Ensure the braking system is reliable and compliant with international or regional standards (e.g., ECE, DOT).  ABS (Anti-lock Braking System) is a vital safety feature.


Conclusion

By carefully considering your payload, dimensions, required axle configuration, and the quality of construction, you can choose an RGN trailer that perfectly matches your transport needs, ensuring safe, efficient, and compliant operations.

By partnering with a trusted manufacturer like ZW Group, you can be confident that your trailer will perform efficiently and last for years.



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