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From the early days of mechanical engineering to today’s heavy-duty commercial trucks, the U-joint has been the link holding everything together. Its genius lies in its simplicity: a mechanical connection that allows power to flow smoothly between rotating shafts at different angles, maintaining motion even when alignment is imperfect or constantly changing.

The Dana Spicer DSP40 series is a family of heavy-duty, tandem-drive axle differentials engineered for long-haul, regional haul, and vocational Class 8 truck applications. Designed to deliver exceptional reliability, fuel efficiency, and performance under demanding road conditions, the DSP40 series is part of Dana’s proven portfolio of drivetrain solutions and is widely trusted by OEMs…

The Dana Spicer DSP40 series is a family of heavy-duty, tandem-drive axle differentials engineered for long-haul, regional haul, and vocational Class 8 truck applications. Designed to deliver exceptional reliability, fuel efficiency, and performance under demanding road conditions, the DSP40 series is part of Dana’s proven portfolio of drivetrain solutions and is widely trusted by OEMs…