Engines & Equipment

Engines and construction equipment are all complex machines. How do some of these engines work, and how do they help us construct buildings and structures?

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How Caterpillar Backhoe Loaders Work

You see backhoe-loaders on nearly every construction site around town. Learn how these amazing machines work and what they are able to do.


How Segways Work

At first glance, it looks like a high-tech scooter. But people who have tried out the Segway claim that it is much, much more. Find out what's going on inside the Segway and what makes it so unique.

How Fire Engines Work

We see them all the time, but do you ever think about everything these machines do? A fire engine is a combination personnel carrier, tool box and water tanker. Learn all about this amazing 3-in-1 machine.

Hydraulic cranes perform seemingly impossible tasks, lifting 70-ton objects with absolute ease. See the simple design behind the Herculean results.

How Caterpillar Skid Steer Loaders & Multi Terrain Loaders Work

You know those loaders used in construction and landscaping that dig up and pick up EVERYTHING? Learn how these incredible machines work!

How Diesel Locomotives Work

Diesel locomotives are some of the coolest modes of transport out there. Giant machines like these are just full of technological treats. Explore a hybrid-diesel locomotive -- from engine to engineer controls.

You've waited in line, and now it's time to board the roller coaster for the thrill ride of your life. If you're lucky enough to get to pick your seat, which car should you choose for the best ride experience?

How Caterpillar Backhoe Loaders Work

You see backhoe-loaders on nearly every construction site around town. Learn how these amazing machines work and what they are able to do.

How Gear Ratios Work

You see gears in just about anything that has spinning parts -- car engines, transmissions, VCRs... Learn what these gears are doing and get to the bottom of the "gear ratio" concept!

How Gears Work

Gears are a fundamental part of just about any mechanical object -- if it has a motor, engine or spring, it probably has gears! But what do they do, exactly, and how do they do it?

Ball bearings can be found in a wide variety of machines and gadgets. If you take a look at one of them you may notice how perfectly smooth they feel and appear. How do they get like that? Find out how ball bearings are created in this article.