Insulator

 is a Tier 5 Tank that upgrades from Driller and Engineer at level 60.

Design
The greatly resembles the Driller but its central barrel is replaced with a miniature Engineer cannon. The cannon looks similar to the ones that Dual Engineer uses.

Technical
The miniature Engineer cannon may have fired on altfire instead of mainfire.

Trivia

 * This tank was an idea by Knightmare.