By multiplying engine torque by the gear ratios in the three gear sets ... A 1992 Jeep Cherokee has an AW4 4-speed automatic transmission with the following gear ratios (first through fourth ...

The off-roader had been left in 4-Low and in first gear. Speaking with The Drive ... s wheels would have forced the engine to spin at over 54,000 rpm, well over eight times more than the 3.6 ...

This Jeep wasn’t just in first gear; it was in first gear with the transfer case in 4WD Low, which multiplies the engine RPM even more for a given travel speed. If you thought 12,000 RPM was bad ...

Even EVs with just one speed still need gears that change the electric motor’s drive-gear ratio and transfer power to a differential, which splits that power between the wheels. Furthermore ...

RPM stands for revolutions per minute, and it’s used as a measure of how fast any machine is operating at a given time. In cars, rpm measures how many times the engine’s crankshaft makes one ...

Porsche is hopeful that its naturally aspirated 4.0-liter flat-six engine will live on and is even investigating an evolved version with a sky-high redline of 9,500 RPM. Speaking to Australian ...