We produce custom springs and wireforms. We do not stock standard parts.
We produce custom springs and wireforms. We do not stock standard parts.
Since 1939, Ace Wire Spring & Form Co. has supported North American trailer manufacturers with precision-engineered torsion, extension, and compression springs.
As a U.S. company, Ace Wire Spring & Form Co. has built a reputation for reliability, customization, and consistent performance in demanding transportation and industrial applications.
Spring performance plays a vital role in the usability and safety of ramp and liftgate systems. These components undergo repetitive, high-load cycles and exposure to the elements; conditions that require precision manufacturing and a profound understanding of material behavior.
Ace Wire Spring & Form Co. designs and builds custom ramp assist and liftgate assist spring systems that deliver repeatable torque, predictable motion, and extended service life.
Ace Wire Spring & Form Co. manufactures heavy-duty ramp assist springs designed to counterbalance the weight of trailer gates for utility trailers, equipment haulers, and longbed trailers with fold-down ramps. These springs, usually heavy-duty torsion or extension designs, allow operators to raise and lower ramps smoothly and safely.
Each ramp assist spring is manufactured to handle repeated cycling under variable loads, with surface treatments and materials selected for corrosion resistance and high-cycle performance. The result is a system that provides consistent mechanical assistance over thousands of open-close cycles, reducing strain on users and extending the life of hinges and structural components.
Every ramp assist spring is built using durable, corrosion-resistant materials, such as oil-tempered wire or stainless steel. It may include phosphate coatings or shot-peened surfaces to extend its fatigue life. These materials ensure that trailer ramp springs perform reliably in outdoor, high-cycle environments.
Ace Wire Spring & Form Co. manufactures custom-engineered liftgate assist springs that provide smooth, controlled operation of lift mechanisms for box trucks, parcel delivery trailers, and commercial delivery fleets. These springs, typically powerful extension or torsion configurations, are designed to counterbalance heavy liftgates, making both opening and closing easier while minimizing operator strain.
Every liftgate system has unique geometry and load distribution, and Ace Wire Spring & Form Co. tailors each spring assembly accordingly. By optimizing spring rate, torque output, and deflection, the company ensures box truck liftgate springs perform consistently across thousands of load cycles.
Common applications include:
Each component is rigorously tested for load endurance, torque accuracy, and fatigue life under real-world operating conditions. Whether serving as a primary lift mechanism spring or a counterbalance component, Ace Wire’s liftgate springs deliver repeatable performance and safety in fast-paced delivery environments.
Constructed from high-carbon or stainless steel, these liftgate tension springs resist corrosion and wear, ensuring reliable operation even in high-frequency commercial use.
Ace Wire Spring & Form Co. & Form’s approach to collaboration begins at the engineering stage, where we work directly with manufacturers to integrate spring performance into the trailer design.
Each project starts with a technical consultation to define load requirements, deflection range, and available mounting space. Using CAD modeling and in-house coil winding, the engineering team develops functional prototypes for validation and verification. These prototypes undergo extensive load and cycle testing to verify torque behavior, motion characteristics, and fatigue resistance before moving into full production.
Selecting the right material is critical to ensure it can withstand the elements and repeated use. Ace Wire Spring & Form Co. & Form Co. engineers choose materials that maintain their properties through temperature fluctuations, moisture exposure, and road debris:
We manufacture all springs using CNC coiling and automated inspection systems that maintain tight tolerances in coil count, wire diameter, and pitch. This helps to ensure that each equipment trailer ramp spring performs uniformly, providing consistent lift dynamics and durability across production batches.
Ace Wire Spring & Form Co. frequently supports trailer and liftgate manufacturers developing proprietary assist systems. Adjustable variables—such as coil diameter, leg angle, torque rate, and end configuration—allow the company to create fully customized spring geometries for unique layouts or compact assemblies.
Ace Wire Spring & Form Co. supports original equipment manufacturers (OEMs) with flexible production, precision engineering, and transparent communication—key attributes for maintaining quality and delivery consistency.
From prototype validation to high-volume manufacturing, Ace Wire Spring & Form Co.’s scalable process aligns with the OEM’s build schedule, allowing for seamless transitions from design to production while maintaining quality and repeatability.
Each production batch is thoroughly documented and traceable, meeting ISO-level standards for raw material verification, dimensional accuracy, and mechanical performance. This supports OEM audits and ensures consistent results across product lines.
Ace Wire Spring & Form Co.’s engineers partner with OEM design teams to refine spring performance, optimize fit, and enhance efficiency—often reducing cost while extending the service life of the trailer or liftgate system.
As trailers and liftgate systems evolve to improve efficiency, safety, and operator comfort, precision-engineered spring systems have become essential to their performance.
Partnering with Ace Wire Spring & Form Co. gives manufacturers access to domestic engineering expertise, scalable production capabilities, and proven quality control standards.
Whether you’re designing a new equipment trailer ramp system or refining a box truck liftgate assembly, our team delivers the technical insight and manufacturing reliability that bring durable, high-performance products to market faster. Contact us today to learn more!
"Where it’s always SPRINGTIME!"
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