Doctor Preload and Temper-Loc Spindle Nuts are proudly made by hard working Americans in our Fonda, New York and Fremont, Michigan facilities. Available in North America where Meritor products are sold and distributed in Asia by York.
Our products and experts can be found at events sponsored by these industry associations.
About Temper Axle
Doctor Preload is a product of Temper Axle, a company that has earned the trust of truck, bus and specialty fleets around the world. We are backed by parent company, Temper Corporation, a leader in specialized bearing adjustment solutions for over 40 years. The company designs & manufactures products for a wide range of applications and industries.