How Long Does LEGO® Octan Twin Tank Rail Tanker (4537) Take to Build?

A typical builder finishes LEGO® Octan Twin Tank Rail Tanker (set 4537, 174 pieces) in about 25 minutes. Taking it slowly runs closer to 35 minutes; building at a fast pace, about 20 minutes.

PieceTick estimates build time from piece count, part complexity, the set’s age rating, your experience level, and how you sort pieces. Adjust those on this page for an estimate matched to how you build.