Doe Triple-D

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/doe-triple-d

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 manufacturer and location?Ernest Doe & Sons, Ulting, Essex, England
2. What is the period of production?1950s to 1960s
3. What is the Doe Triple-D tractor?The Doe Triple-D is a tractor made by Ernest Doe & Sons in the 1950s and 1960s. It has two engines and a bendy body that can turn 90 degrees.
4. Why did the Doe Triple-D have two engines?The two engines give the tractor more power without making it bigger. This helps farmers pull heavy loads and work harder.

Articulation: A mechanical joint allowing for pivotal movement between two or more sections of a vehicle or structure.
Dual-Engine Configuration: A system employing two separate engines to provide combined or independent power to a machine.
Articulated Steering: A steering method where the vehicle's chassis pivots in the middle, enabling tighter turns and increased agility.
Conventional Tractor Design: Refers to the standard, rigid-frame construction of tractors that steer via front-wheel turning.