Step Frame Trailers

Built to tackle demanding plant and access haulage applications, the Sterling Step Frame Trailer combines intelligent engineering, robust construction and safe loading performance in one dependable trailer solution.

Engineered for Access, Built for Heavy Machinery

Available as a tri-axle 13.6M step frame trailer with 4.0M double flip ramps, the Sterling ST440 is engineered to transport plant machinery, access equipment and low-clearance machines safely, efficiently and reliably across demanding working environments.

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Safer Loading Performance

A shallow loading angle, sideways sliding ramps and a two-stage neck design allow safer loading and unloading of plant machinery, access trailers and low-clearance equipment.

Built for Heavy-duty Reliability

Manufactured using premium materials and high-quality CE-marked components, the ST440 step frame trailer is engineered for durability, reduced downtime and dependable everyday performance.

Intelligent Trailer Innovation

Innovative recessed lashing rings, electro-hydraulic ramp operation and optional fall arrest systems improve efficiency, operator safety and load security across every journey

Star Platforms with a Sterling Step Trailer
Step Frame Trailer for Access Platforms company Nationwide Platforms

Built for Plant & Access Transport

The Sterling Step Frame Trailer has been developed to meet the growing demands of modern plant, machinery and access haulage operations. Designed as a versatile machinery carrier, it is ideally suited to transporting excavators, dumpers, rollers, powered access equipment and other low ground clearance machinery. Featuring a robust tri-axle configuration, 13.6M trailer length and 4.0M double flip ramps, the ST440 delivers the perfect balance of strength, functionality and operational flexibility.

Safer, Smarter Trailer Design

Safety and usability sit at the heart of the Sterling trailer design. Incorporating sideways sliding ramps to accommodate machinery of varying widths, while the two-stage neck and shallow loading angle help ensure safer loading for both operators and equipment. Innovative recessed lashing rings allow loads to be secured quickly and safely, reducing preparation time on site. Optional full fall arrest systems further enhance operator safety during loading and unloading procedures.

Built to the Higher Standard

Manufactured using high-quality materials and industry-leading engineering practices, the Step Frame Low Loader is built to withstand demanding daily use while minimising maintenance and downtime. Intelligent features such as electro-hydraulically operated ramps help reduce operating effort and improve efficiency, while the galvanised construction supports long-term durability and strong residual value. Combining innovation, reliability and clean modern design, the ST440 represents the next generation of heavy-duty trailers for plant and access haulage fleets.

Case Study

"‘We have had Sterling bodies on the fleet since 2017 and they have always performed well for the machines that we operate.  The backup support allows us to rely on maximum up-time for our delivery service to our clients. With the new livery and the enhancements to the specification, these trucks will allow us to maintain the highest standards of safety and efficiency for years to come.’   "

Duncan Turk, Transport Manager at GT Access Ltd

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TS9 5PY

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