Agriculture

Agricultural Retaining Rings & Wave Springs for Continuous-Duty Field Equipment

Reliable Components for Harvesting & Precision Agriculture

From tractors and combines to irrigation systems, planting equipment, and precision agriculture technologies, Smalley retaining rings and wave springs are used in a wide range of agricultural equipment. As the inventor of the Spirolox⁠® Retaining Ring and Crest-to-Crest⁠® Wave Spring, Smalley brings decades of engineering expertise to agricultural applications worldwide. 

Smalley components help equipment manufacturers reduce assembly size and weight, improve assembly efficiency, and simplify installation while delivering the durability and consistency required for continuous operation. Smalley holds multiple quality and compliance certifications, giving customers confidence in every component we produce. We have also been recognized multiple times with Caterpillar's Platinum Quality Supplier Award, demonstrating our commitment to supplying dependable components for demanding applications. 

Smalley's industry-experienced engineers can recommend retaining ring and wave spring solutions to help optimize your design. Free CAD models and part samples are also available to support fast evaluation, prototyping, and implementation. 

Agriculture

Why Agriculture Equipment Engineers Choose Smalley

ISO 9001:2015, IATF 16949:2016, and ISO 14001:2015 quality certified 

40+ materials including corrosion-resistant options 

Dedicated engineering team with application expertise 

Multi-year recipient of CAT’s platinum Quality Supplier Award 

Extensive inventory with over 11,000 standard part numbers

Custom parts with No-Tooling-Costs⁠™ 

Free samples and CAD models to ensure proper fit and function 

All parts proudly made in the State of Illinois, USA 

Agricultural Application Examples

  • Tractor transmissions 
  • PTO systems 
  • Gearboxes 
  • Engine assemblies 
  • Hydraulic power systems 
Agriculture

  • Combines 
  • Harvesters 
  • Grain handling systems 
  • Threshing assemblies 
Agriculture

  • Seeders 
  • Planters 
  • Cultivators 
  • Row units 
Agriculture

  • Pumps 
  • Irrigation systems 
  • Water management equipment 
  • Valve assemblies 
Agriculture

  • Guidance systems 
  • Sensors 
  • Monitoring equipment 
  • Electronic control systems 
Agriculture

  • Feed systems 
  • Conveyors 
  • Utility vehicles 
  • Agricultural trailers 
Agriculture

Common Smalley Solutions for Agriculture

Spirolox⁠® Retaining Rings
Constant Section Retaining Rings
Nested Spirawave⁠® Wave Spring
Interlaced Wave Springs

Design & Material Considerations

Every application presents a unique set of design and performance requirements. Smalley engineers are available to review your application and help identify the appropriate retaining ring or wave spring for your needs. The considerations below highlight some of the key factors engineers evaluate when specifying Smalley components. 

  • Assembly size and weight objectives 
  • Available axial and radial space 
  • Required force or travel 
  • Light, medium, or heavy-duty retention 
  • Installation and removal requirements 
  • Material strength requirements 
  • Quality and performance standards 

For information on available material and finish options, refer to our Material Selection Guide. For a more comprehensive review of design considerations and component selection requirements, contact a Smalley engineer for a free design consultation.