Your vehicle's crankshaft sensor can be, well, cranky. But it's also a key part you can't do without. So what makes one fail?

Key to Porsche’s six-stroke engine is an eccentric crankshaft mechanism that changes the piston’s stroke, giving each cylinder two top and two bottom dead centers and three stroke lengths.

Like the air-cooled engine, the rotary engine saw interest and production among big manufacturers peter out around the turn of the century. The Wankel survived until 2012, when Mazda killed the ...

In V engines, cylinder number 1 is usually the one closest to the crankshaft, on the front-most bank that sticks out slightly in front of the other when viewed from the side.

Unlike a four-stroke engine, which musters a single power stroke for every two revolutions of the crankshaft, Porsche's six-stroke affords two power strokes for every three turns of the crank.

Range-extending gas engines have a big problem: they're engineered to rotate wheels, not provide electricity. The Free Piston Engine Linear Generator cuts out the middleman for a huge efficiency ...

You’re looking at one very clever piece of engineering. It’s an Adams-Farwell air-cooled, piston-driven, rotary engine—one of our 10 Most Unusual Engines of All Time. The crankshaft is fixed ...

Currently Metric Automotive Engineering is remanufacturing a crankshaft belonging to an 18 cylinder Cummins QSK 78 diesel engine. The 4000 hp engine powers a rigid frame dump truck in an open cast ...

IndyCar engines must weigh at least 248 pounds, and the car at least 1,570. So that's exactly what teams aim for and not an ounce more. We spoke with two of the men most responsible for the 2.2 ...