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How Differential Gears Work

Date added: 07/26/2015

How Differentials Work

When it comes to learning, sometimes there’s no school like the old school.

A surprising number of driving and motorsport enthusiasts are afraid to admit when they don’t fully understand the internal functionality of certain mechanical parts. The basics of how differentials work is a prime example; we do our best to explain it all when asked, but sometimes it’s easiest to use visual examples…

One of our favorite videos we’ve found and shared with a few people also happens to be one of the oldest videos on the topic. Produced by Chevrolet/GM back in the 1930s, this is one of the best explanations available of how differential gears work. That’s not a type - 1930s!

As it says in the description, forward to 1:50 to skip the long intro. Enjoy…

BMW Differentials REM polishing comparison

Reduce friction, heat and driveline power losses with REM® isotropic polishing - mirror-smooth gears and bearing surfaces

From our custom differential and transmission builds for championship-winning teams to our off-the-shelf solutions to get project cars up and running, Diffsonline is and always has been at the forefront of the latest innovations in driveline advances. We began offering REM® Surface Engineering's Isotropic Superfinish (ISF) Process in December of 2004, and this quickly became one of our most sought after services for custom driveline parts because of the numerous benefits.

BMW Differentials M235i Racing

BMW Motorsport will bring the BMW M235i Racing to the U.S. if interest warrants

When the images and information of the BMW M235i Racing started surfacing some time ago, North American customers made a history-based assumption that, as great as the car looked, there was no chance of it coming to the U.S. It turns out that may be an incorrect assumption, as BMW NA might end up importing them, but only in limited numbers, and only if enough interest is raised from genuine potential customers…

BMW Differentials Daytona

Diffsonline BMWs kick off a strong 2015 season at the CTSCC BMW Performance 200 at Daytona

BMW Differentials

Diffsonline Custom Race Gearing teams with BimmerWorld for another promising race season

It’s no secret that Diffsonline is the biggest name in high-quality, custom-built limited-slip differentials and transmissions in the BMW community. One of the biggest reasons for that comes from technical relationships with top-performing professional BWM race times like BimmerWorld, let alone the tremendous reach within the amateur racing and high-performance BMW driving communities, plus a reputation for unsurpassed customer support.

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