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Bus & Heavy Duty Truck Springs

Springs for Commercial Vehicle

Century Spring supports custom projects from prototype to full production and offer an online store with in-stock and standard parts available for immediate purchase.

Request a Quote Shop Stock Parts

Heavy Truck Springs

High-performance vehicles rely on rugged independent suspension systems for extreme energy absorption, optimum maneuverability, and unfailing durability. Century Spring manufactures the toughest springs available for heavy truck and bus needs. With domestic production serving a wide range of applications and a commitment to investing in the best possible engineers and equipment, we continually develop new parts and make quality improvements on existing products.

Broad Expertise for the Commercial Vehicle Market

Our financial strength and broad base of industry knowledge give us a unique ability to identify and invest in new opportunities in the heavy truck market. The crossover design and production expertise we bring from the automotive, motorsports, agricultural, and construction markets creates a tremendous advantage for our customers. This is particularly useful when we’re developing prototype assemblies or lightweight and composite materials.

As a result of our extensive expertise and experience, we can often offer significant cost advantages over our competitors.

Heavy Truck & Bus at a Glance




ISO 9001


Precision Springs for Heavy Trucks

As the leading provider of high-performance springs for both heavy and commercial trucking, we’ve built a strong reputation for our knowledge and experience in producing the highest quality trucking parts. Our goal of operational excellence drives our desire to supply customers with critically designed parts for lasting durability under extreme conditions. We offer a wide range of coiled springs, wire forms, Belleville washers and disc springs, retaining rings, and machined parts for heavy truck applications.

Custom Heavy Truck Manufacturing

Century Spring can also provide custom manufacturing and design support using a ‘platform approach’ that supports your production and delivery requirements. Our superior testing capabilities allow us to engineer parts with strength-to-weight ratios that deliver peak performance throughout their life cycle. As your supplier and strategic partner, you can always count on us for timely quoting, service, and support. Whether you need parts for all-terrain vehicles, fire fighting vehicles, snowplows, buses, utility trucks, towing equipment, or palletized load systems—We have the springs you need to get the job done.

What We Offer

Reliable Manufacturing Services

With industry-leading capabilities that combine engineering, design, prototyping, and pilot production, we’ve set the standard for spring performance. Our design and manufacturing enhancements offer both weight reduction and process improvements in heat treatment and powder coating.

  • Heat Treatments
  • Stress Relief
  • Hardening & Tempering
  • Shot Peening
  • Wire Rolling & Forming

Quality Materials

We use the industry’s largest selection of materials, sourced from domestic locations. Our expertise includes standard materials as well as specialty alloys.

  • Aluminum
  • Carbon Steel
  • Nickel
  • Stainless Steel
  • Titanium
  • Tungsten

Your Partner for Heavy Truck and Bus Manufacturing

We partner with every customer to move their projects forward. Our expert engineering team is here to support your needs, optimizing your design to improve performance and manufacturability so you receive the best possible outcome.

Get Custom Springs for Heavy Trucks & Buses

Need a spring made to spec? Century Spring offers custom manufacturing for your designs, along with engineering support to improve manufacturability.