A side view of the Mark IV Tank showing the interior mechanical components. The tank went into production in May 1917.

Mark IV Tank Plan

A side view of the Mark IV Tank showing the interior mechanical components. The tank went into production…

The top interior view of the Mark IV Tank showing the belt drive and other mechanical parts to move the tank.

Mark IV Tank Top View Plan

The top interior view of the Mark IV Tank showing the belt drive and other mechanical parts to move…