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The Container and Trailer Connection

Storage and transportation tips, guides, news and solutions

June 2026 Issue 7

Understanding Trailer Sway: Causes, Risks and How to Prevent It

Trailer sway occurs when a trailer begins to move side-to-side behind a tractor or tow vehicle, often creating a dangerous “fishtailing” effect. While slight movement can be normal during strong winds or uneven road conditions, excessive sway is a serious safety concern that can lead to loss of control, cargo damage, accidents, or even trailer rollovers.

Whether operating dry vans, flatbeds, reefers, or storage trailers, understanding trailer sway is critical for keeping drivers, equipment, and cargo safe on the road.

Common Causes

> Improper weight distribution

> Excessive speed

> High winds & passing vehicles

> Suspension of tire issues

> Improper hitch of coupling setup

> Brake imbalance

Warning Signs

> Side-to-side movement at highway speeds

> Steering instability

> Trailer drifting during lane changes

> Increased movement during lane changes

> Uneven tire wear

> Excessive bouncing or suspension movement

How to Prevent Trailer Sway

> Perform routine inspections

> Reduce speed

> Use quality equipment

> Teach drivers how to react if sway begins

If you suspect trailer sway or handling issues, our technicians are ready to diagnose and correct the problem.

What Size Container is Right?

Are you unsure what size container you need? We offer 20-foot, 40-foot and 40-foot high containers for delivery to your site.

After determining your storage needs, location, accessibility, and additional features, e.g., lighting, ventilation, and flooring, check our Shipping Container Dimensions flyer. It will show you each container's interior and exterior dimensions, square footage and empty weight.

Atlantic Trailer Expands Horse Trailer Repair Service

Did you know that Atlantic Trailer Leasing repairs and services horse and livestock trailers?

Our services include: structural and exterior repairs, roof repairs, panel replacement, floor replacement and repair, ramp and door repairs, welding and fabrication, lighting and electrical repairs, brake and suspension work, axle, hub, drum, and bearing replacement, tire replacement and service, general trailer maintenance, and FHWA inspections.

We perform most repairs at our Vincentown, NJ shop while offering mobile road service and onsite support for many repair needs. While we primarily serve New Jersey, northern Delaware, and southeastern Pennsylvania, we can provide support in other regions depending upon the service requirements.

Should you need emergency road service, we can tackle tire issues, lighting and electrical problems, brake repairs, and other needs.

Why Choose Atlantic Trailer?

> Free estimates

> Mobile onsite repair capabilities

> Fast turnaround time

> Experienced trailer repair technicians and fabricators

> Full-service commercial trailer repair facility

> Welding and custom fabrication capabilities

> Ability to service multiple trailer types

> Focus on communication, customer service, and safety

> Access to parts, equipment, and road service support through our fleet and repair network

> Warranty on labor and applicable parts

Meet Bert Cooper

Bert Cooper, 64, is a trailer mechanic who joined Atlantic Trailer 23 years ago. He spends most of his days on the road repairing and building trailers.

He says that the best part of his job is the variety - every day brings a new challenge. He calls his co-workers his family.

Earlier in life, Bert was a competitive weightlifter who entered and won several bodybuilding contests.

Bert started working at his trade at age 16.