10/10/2026
💡 Elevator Industry Fun Fact
Elevator engineering has played a huge role in making modern skyscrapers possible!
The original World Trade Center used an innovative express-and-local elevator system, with sky lobbies on the 44th and 78th floors. Its express elevators could travel at up to 1,600 feet per minute and carry up to 55 passengers.
Engineering on this scale is a great reminder that there’s a lot more to an elevator than what you see from the lobby.
We love the technology, planning, and expertise behind the systems that keep buildings moving!
A quiet giant behind one of the greatest engineering feats of the 20th century.
Pictured here is the original Otis 339HT gearless traction machine—the sheer muscle behind the express elevators of the World Trade Center.
To make the Twin Towers work, moving tens of thousands of people every day wasn't just a challenge; it required entirely rethinking vertical transit. These green beasts made it possible:
• Weight: A staggering 26 tons (around 50,000 lbs) each.
• Speed: Rocketing up the shafts at 1,600 feet per minute—among the fastest in the world at the time.
• Capacity: Express cars built to carry up to 55 passengers at once.
• Scale: Driving a network of 198 elevators across both towers, carrying workers straight to the sky lobbies on the 44th and 78th floors.
One of the most fascinating engineering details? The built-in wind switches. If fierce winds caused the towers to sway more than 12–14 inches, the system automatically slowed down or parked cars at the 31st floor to keep the massive, 500-meter hoist ropes securely on their sheaves.
Incredible machines, built with mid-century ambition, running the heart of New York City’s skyline.
Do you remember riding the express elevators up to Windows on the World or the observation deck? Share your memories below.
