Siege Machine upgrade costs and max levels at Town Hall 18

Siege Machines carry your Clan Castle troops into the base and are researched in the Laboratory. They have short level tracks, but each level is expensive in Elixir and takes days.

Max level, cost and time for every siege machine

Sorted by total upgrade time from level 1 to the Town Hall 18 max. Upgrades run one at a time, so these days add up.

Name	Max (TH18)	Total cost	Total time
Battle Drill	6	69.5M Elixir	42 days
Siege Barracks	6	61.5M Elixir	41 days
Log Launcher	6	60.2M Elixir	41 days
Sky Wagon	4	77M Elixir	40 days
Wall Wrecker	6	48.5M Elixir	34 days
Battle Blimp	6	48.5M Elixir	34 days
Stone Slammer	6	48.5M Elixir	34 days
Flame Flinger	5	41.5M Elixir	26 days
Troop Launcher	4	35.5M Elixir	23 days

How to finish lab upgrades faster

• Lab Assistant: boosts the current research every day; level it up for bigger boosts.
• Gold Pass research boost: cuts research time and cost. See is the Gold Pass worth it.
• Books and potions: Research Potions and Books of Fighting / Spells finish long upgrades. Use them on the longest ones.
• Never let it sit idle: one lab means every idle hour is lost forever. Read why the lab is usually the bottleneck.

Frequently asked questions