https://en.wikipedia.org/wiki/Boeing..._evaluated.jpg
Note the double wheeled gear on the aft end.
Later versions of the A Model and subesqeunt went to a single wheeled version with each aft gear being able to castor independently with one strut having a power steering actuator controlled by the Pilot.
What experience do you have on the Chinook?
The difference between the various Models, Marks, Operators and in between would create a number of differences in our frames of reference.