Felling Trailers offers a patented Air Bi-Fold Ramps system, which comes standard with the company’s Low Pro Paver models (U.S. Patent 11,613,197). This innovative ramp system was introduced to the construction and paving industry in 2020 when Felling Trailers began the patent process.
“These ramps are available on a wide range of air brake-equipped trailers and allow for the safe and easy loading of most paving equipment. Air-operated ramps are much more reliable than those powered by electric/hydraulic pumps, making this a clear choice for many paving crews.”
— Nathan Uphus, Sales Director at Felling Trailers.
Precision Engineering for Superior Performance

Few manufacturers in the market offer an Air Bi-Fold Ramp system, especially one with the functionality that Felling’s provides. A key feature of their design is the operation of the flip ramp, which locks out fully when extended, preventing scraping or damaging the ground—a critical concern, especially on new surfaces. Furthermore, Felling’s controlled-flow air ramp technology ensures soft ground contact during deployment and retraction, protecting new surfaces from harm. The Air Bi-Fold Ramps system will be showcased on Felling’s 22.5-ton FT-45-2 LP Paver, a tandem-axle low-profile flatbed tag trailer, at this year’s World of Asphalt Show in St. Louis, MO.

Pictured above: Felling Air bi-fold ramp system patent badge.
The Air Bi-Fold Ramps measure 45 inches wide and 11 feet long (with 7.5 feet of wood inlaid plus an additional 3.5 feet). For over a decade, Felling Trailers has provided air ramps with lengths ranging from 6 to 8 feet. The 11-foot Air Bi-Fold ramps were specifically designed to accommodate the loading angle required for cumbersome low-clearance equipment such as paving machines and directional drills. With a 9.5-degree load angle, these ramps provide a gentler incline, simplifying the loading and unloading process—even further enhanced with the option of air ride suspension.
Additionally, Felling Trailers’ Air-Ramp technology capitalizes on the tow vehicle’s onboard air system, eliminating the need for maintenance-intensive electric/hydraulic systems. This patented technology reduces ground contact during deployment and retraction, preventing damage to newly paved surfaces. The Air Bi-Fold Ramps system is a definitive choice, currently available for 20, 22.5, 25, and 30-ton tag series trailers, along with select semi-trailer models. Trust Felling Trailers to deliver unparalleled innovation and reliability in your paving operations.
About Felling Trailers, Inc.
Felling Trailers is a family-owned and operated Full Line Trailer Manufacturer located in Central Minnesota. Started in 1974, Felling Trailers, Inc. has grown from a small shop to a factory and office complex that today covers over 400,000 square feet. Felling’s pride and differentiation is its customized trailer division. Its engineers utilize the latest Industry-leading design techniques, and its experienced metal craftspeople use cutting-edge technology to turn its customers’ conceptual trailer needs into tangible products. Felling has provided innovative trailer solutions to the transportation industry for 50 years. Felling Trailers’ current capabilities allow them to provide a high-quality product that is distributed across North America and internationally. Felling Trailers, Inc. is an ISO 9001 Certified Quality Management System Company, WBENC-Certified WBE, and an Equal Opportunity Employer.
For more information, contact 1.800.245.2809, [email protected], or visit us on the web at www.felling.com. You can follow us on Facebook (Felling Trailers, Inc.), Instagram, and LinkedIn.

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