Torque ratings for the medium-duty SPL140 will increase by 7%, while the ratings for the SPL170 used in medium- and some heavy-duty applications will go up by 15%. - Photo: Dana

Torque ratings for the medium-duty SPL140 will increase by 7%, while the ratings for the SPL170 used in medium- and some heavy-duty applications will go up by 15%.

Photo: Dana

Dana has made enhancements to its Spicer SPL Series driveshafts for improved overall efficiency and increased performance. Changes include increased torque ratings and improved sealing technologies, the company said during a Feb. 23 briefing at the annual meeting of the Technology & Maintenance Council in Atlanta.

Torque ratings for the medium-duty SPL140 will increase by 7%, while the ratings for the SPL170 used in medium- and some heavy-duty applications will go up by 15%.

"This allows our fleet customers to improve efficiency, save cost and lighten up the vehicle," said Dana's director of Product Planning, Steve Slesinski. "These are not complete re-dos, but improvements to existing product lines through the use of special materials and processes and extensive benchmarking against competitive products."

The enhanced medium-duty SPL product will target multiple applications, allowing for rightsizing and the use of an optimum driveshaft, improving efficiency and cost, according to Dana.

The product enhancements will be available immediately for the Spicer medium-duty SPL series, while updates to the heavy-duty SPL series will be available in late spring.

All new driveshafts and related componentry will be completely interchangeable with current SPL product on the market.

Dana has also taken technology developed for its global platform of driveshafts to improve the sealing capability of the universal joints in the heavy-duty product line.

"The new composite sealing package will provide even greater resistance against environmental influence, further increasing performance life," Slesinski said. "Continually improving these designs will help the environment with less lost grease fewer parts to service and maintain. And these too will be fully interchangeable with existing product.”

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