people living in the "traction era" refer to technology used before the "60 minute war" as old tech. technology used throughout the four "Mortal Engines" books are less advanced than that of old tech, and therefore the people of the traction era have no idea how much of the scavenged old tech is operated.

list of old tech mentioned in the books (not complete, please add missing old tech):

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.