Keeping you Ready for the Road Ahead , the Dayco 89440 Auto Adjust Heavy Duty Automatic Belt Tensioner is meticulously made to the strictest design specifications. This belt tensioner features a high-strength cast aluminum body designed to keep contamination out and resist cracking, fatigue, and deformation. In addition, the use of advanced material serves to reduce weight when compared to regular belt tensioners, while also providing added strength and durability. The Dayco heavy duty belt tensioner boasts multiple patented components which are engineered to handle the higher torque and power pulses exerted by today’s diesel engines.
FleetPride is your First Click in Heavy Duty .
Rugged aluminum body and pulley arms with dual, permanently lubricated bearings provide extra strength and durability
Heavy duty cast aluminum body and pulley arms with dual, permanently lubricated bearings provide extra strength and durability
High temperature grease extends pulley life and increases wear resistance for long-lasting, dependable service
Hardened belt running service prevents wear, even in harsh environments
Unique flat spring design lessens variations in tension throughout the operating range and reduces the risk of premature spring fatigue and subsequent failure due to high tension
Reduces belt noise and slippage, as well as poor performance caused by low tension
Multiple patented components are engineered to handle the higher torque and power pulses exerted by today's diesel engines
Counterclockwise direction
Number of pulleys: 1
For Freightliner, International, International/Navistar, Kenworth, Mack, Peterbilt, Sterling, Volvo, and Western Star applications
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