Custom Gearboxes

We are a precision manufacturer of all types of gearboxes

Products range from Speed Reducers to Speed Increasers and Transfer Cases. Custom designs for a wide variety of original equipment manufacturers and distributors are a valued part of our business. Our products are specified and shipped world-wide.  In addition, we provide a comprehensive mix of precision machining and gear grinding up to 15.74″ diameter and AGMA class 5 per the new AGMA 2015 inspection standard.  This was previously considered AGMA class 12 per the old AGMA 2000-A88 standard.


Most of the gearboxes shown can be outfitted with SAE Bell Housings, Manual, Pneumatic or Hydraulic Clutches, or any number of designed input and output configurations. 

Speed ReducersSpeed Reducers
Rj Link Speed Reducers are manufactured in numerous sizes for a variety of products and markets. All gearboxes are custom built. Application dictates components. Most speed reducers use tapered roller bearings, helical or spur gears, customer specific yoke or flange connections. Click the link to see speed reducers standard features and base models.
Speed IncreasersSpeed Increasers
Rj Link Speed Increasers are manufactured in numerous sizes for a variety of products and markets. Majority of speed increaser gearboxes are designed and built to accommodate high RPM specific components. All are designed with tapered roller bearings and helical gears. Many incorporate customer specific shafts and connections. Click the link to see speed increasers standard features and base models.
Transfer CasesTransfer Cases
Rj Link Transfer Cases are manufactured in numerous sizes for a variety of products and markets. Transfer case gearboxes are designed for mobile or stationary applications. Most transfer gearboxes use tapered roller bearings, helical gears, customer application and expectations enable us to customize components. Click the link to see transfer case gearboxes standard features and base models.
Specialty GearboxesSpecialty Gearboxes
Rj Link Custom Gearboxes are manufactured for specific applications in unison with customer specifications. Our expertise is a critical component to each application. It enables our customers to focus on core competencies and rely on our Engineering and Manufacturing expertise such as duty cycles, life expectancy and end use are key factors in the design and manufacturing of our specialty gearboxes. Click the link to see specialty gearboxes standard features and base models.