A planetary gear train which sits between the engine and driven wheels to allow them (driven wheels) to spin at different relative speeds with each other to account for varying paths taken (varying surface, turning etc.)

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2007 Nissan Frontier Transmission, Differential & Transfer Case service intervals for light driving?

According to the owner's manual service/maintenance guide, automatic transmission fluid, differential oil & transfer case oil should be inspected for leaks at the following intervals: ...
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How to hack an on-demand rear diff locker on FJ Cruiser bypassing the ECU?

The Electronic Control Unit on my FJ Cruiser is not relaying the signal properly to the rear differential lock actuator when I switch it on. I want to bypass the ECU altogether and make the switch ...
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Would there be advantage using 2 smaller motors on Tesla car's rear axle?

Let me be clear: I am speaking about the rear wheel drive model. After I've asked https://mechanics.stackexchange.com/questions/15342/number-of-motors-rwd-tesla , it seems Tesla's rear axle has only ...