Translation guide
A mechanical device that allows wheels to rotate at different speeds, especially when turning. In Japanese, this is a technical term with a standard translation.
The component in a vehicle's drivetrain that splits engine torque and permits wheels to spin at different rates.
The formal technical term for a differential gear. Used in engineering and automotive contexts.
この車の差動装置は最新の設計です。
This car's differential gear is of the latest design.
Katakana loanword from English, common in automotive repair and enthusiast circles.
デファレンシャルギアのオイルを交換した。
I changed the differential gear oil.
Abbreviation of デファレンシャルギア, used in casual conversation among car enthusiasts.
デフが壊れたみたいだ。
It seems like the diff is broken.