The GM Greyhound Scenicruiser 4501 is one of the most iconic and revolutionary buses in American transportation history.

This joining was officially called the GM 6046 engine, but it was built using a pair of Detroit Diesel 6-71 motors. This twin-Diesel engine was able to produce 410 hp for the World War II-era tank.

Although they still exist, 2-stroke diesel engines aren't all that common, and 4-stroke engines are what you'll commonly see around today. In 1998, Detroit Diesel announced it was dropping the 2 ...

The hatch above the cab was popped, the 4-71 Detroit Diesel was cranked over, and with the parking brake released, we pulled out of the gravel drive where Peter Pan’s massive warehouse is located.

The diesel engine in back of this one is a Detroit Diesel 4-71 4.7-liter inline four-cylinder two-stroke diesel engine mated to a four-speed manual transmission.

The engines command the majority of your initial attention—they're twin 12V-71 two-stroke Detroit Diesel engines (for 24 total cylinders) mated nose-to-nose and topped with eight BDS 8-71 ...

This was another monster diesel, a Caterpillar D343—this is a 14.6-liter, 893-cubic-inch six-cylinder, with a 5.4-inch bore and a 6.5-inch stroke. There are several versions of this, but they make ...

Based on Raymond Loewy's original design, General Motors built 1,001 of the Scenicruisers between 1954 and 1956 for Greyhound to show the world how great an American bus can be.

Finally, there's the engine. Sitting out in the open, for all eyes to see, is a gorgeous 1974 12v-71 Detroit Diesel with two 6-71 superchargers perched atop the valley.