News Release
Doctor Preload® Distributed by Meritor® Named No. 1 Tool by Shop Owners and Technicians

TROY, Mich., Jan. 24, 2017 /PRNewswire/ -- Meritor® (NYSE: MTOR) announced today that the Doctor Preload® Tool used in the Meritor Wheel Bearing Adjustment System for the aftermarket was the No. 1 tool selected by shop owners and specialists responding to a survey from Professional Tool and Equipment News. Meritor is the exclusive North America distributor of Doctor Preload and Temper-Loc® spindle nut. 

Erica Schueller, editor of Professional Tool and Equipment News, presented the top six tools selected by the readers at the SOLD17 Forum prior to the start of Heavy Duty Aftermarket Week 2017 in Las Vegas. Doctor Preload and Temper-Loc have proven to be a cost-effective time-saver when technicians set proper preload for wheel-end bearings, according to Seth Barnes, senior manager, Brake & Wheel End Components for Meritor. Additional benefits include increased vehicle uptime by improving the life of tires, bearings, spindles and wheel seals. 

"Doctor Preload and Temper-Loc also offer ergonomic advantages compared to the traditional torque-wrench method," Barnes said. 

Because the spindle is threaded, technicians don't have to hold the weight of the tool during adjustment, and both hands can be used to apply force instead of having to hold the torque wrench in place and use only one hand to apply force to the wrench.

When used together, the Doctor Preload bearing adjustment tool and the Temper-Loc single-locking nut system help fleets meet the SAE J2535 optimal bearing setting of a light preload. Preload settings maintain a slight force on all rollers in tapered roller bearings to minimize vibration and angular movement in wheel-ends.

Doctor Preload tools are covered by a one-year warranty and Temper-Loc nuts are covered by a three-year warranty from the date of installation. 

About Meritor
Meritor, Inc. is a leading global supplier of drivetrain, mobility, braking and aftermarket solutions for commercial vehicle and industrial markets. With more than a 100-year legacy of providing innovative products that offer superior performance, efficiency and reliability, the company serves commercial truck, trailer, off-highway, defense, specialty, and aftermarket customers around the world. Meritor is based in Troy, Mich., United States, and is made up of approximately 8,000 diverse employees who apply their knowledge and skills in manufacturing facilities, engineering centers, joint ventures, distribution centers and global offices in 18 countries. Meritor common stock is traded on the New York Stock Exchange under the ticker symbol MTOR. For important information, visit the company's website at


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SOURCE Meritor, Inc.

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