You need the Flash Player version 8.0.0.0 or higher and a JavaScript enabled browser to view this site

Heavy Equipment Training Schools Bulldozer Equipment

Related Article: How Caterpillar Backhoe Loaders Work

National Association of Heavy Equipment Training Schools, NAHETS. Short video on the Caterpillar bulldozer equipment profile. See more videos and information at www.nahets.org

browse videos in vehicles & equipment

How Roller Coasters Work (1:25)

Roller coasters don't have engines, accelerators or brakes, So what makes roller coaster cars speed up, slow down and loop upside down? Get the inside track on the quintessential thrill ride.

How Diesel Locomotives Work (1:15)

Trains have been around for hundreds of years, but now they use a new hybrid technology. See how diesel locomotives work in this HowStuffWorks video.

How Drawbridges Work (1:24)

A drawbridge is a bridge over a body of water that opens up to allow boats and ships to pass through. Watch this video from HowStuffWorks to learn how it works.

Build It Bigger: Kinetic Madness (1:57)

Roller coasters use physics to create breathtaking and terrifying thrills in amusement parks across the world. Watch a video from the Discovery Channel.

Ship Made from Recycled Popsicle Sticks (1:44)

Watch this video about the largest recyclable object in the world on HowStuffWorks. This 30-foot-long vessel is made entirely of recycled lolly pop and ice cream sticks. Learn about what you can do with 5 million popsicle sticks in this news video... More »

recently added

1949: An Unsinkable Ship (0:48)

In 1949 the US built this ship, which was billed as unsinkable.

Old Science: Submersible Fire (6:58)

Learn what happens when fire strikes inside a submarine.

Warbots: DARPA Grand Challenge (3:27)

By 2015, 1/3 of military transport vehicles will be autonomous. To promote research in this area, the Defense Advanced Research Projects Agency (DARPA) sponsors an annual "Grand Challenge" in the Mojave Desert.

Discoveries: Tearing Apart the Titans (6:18)

Decommissioning an oceangoing vessel is a big job. Learn more about decommissioning in this video.

Invention Nation: Motor Bike (1:42)

Check out how you can use less energy to make bicycling easier. Learn more about bicycling in this video.

How Roller Coasters Work (1:25)

Roller coasters don't have engines, accelerators or brakes, So what makes roller coaster cars speed up, slow down and loop upside down? Get the inside track on the quintessential thrill ride.

Olympic Bike (1:41)

From the archives of Discovery: See an Olympic bike in action in this video.

Boat Simulation (4:54)

From the archives of Discovery: Watch as this team of researchers experiments with a floating probe. Learn more about boat simulation.

How Segway Works (1:06)

The Segway human transporter combines a control system, a series of sensors and a motor system. Find out how it works in this video from HowStuffWorks.

How Drawbridges Work (1:24)

A drawbridge is a bridge over a body of water that opens up to allow boats and ships to pass through. Watch this video from HowStuffWorks to learn how it works.