Caterpillar D2

High school (ages 12+)
Transportation

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/caterpillar-d2

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the machine classification?Diesel-powered track-type tractor
2. What is the introduction year?1938
3. Why was the Caterpillar D2 important?It let small farms and builders use a powerful tracked tractor without needing a huge machine. This made farming and building easier for many people.
4. How does the D2's track system help the ground?The tracks spread the tractor's weight over a big area, so it doesn't press hard into the soil. This keeps the ground from getting too hard and lets the tractor work on soft or rough land.

Track-type tractor: A heavy vehicle employing continuous metal tracks for locomotion, offering superior traction and flotation over varied terrain.
Diesel engine: An internal combustion engine utilizing compression ignition of diesel fuel, known for its high torque, fuel efficiency, and durability.
Ground pressure: The force exerted by a vehicle's weight on the ground, minimized by track systems to improve mobility and reduce soil compaction.