Скачать или смотреть Lego Big Boy | R40 vs R104 Curves Test – Playable Articulated Power!

How well does the massive *Big Boy 4014* handle tight *R40 curves* compared to wide *R104* tracks from Trixbrix? In this video, I put my modified Big Boy to the test on both — with a strong focus on *playability* and *smooth running* on standard LEGO layouts.

✨ What you’ll see:
• Full test on R40 vs R104 curves
• How I improved articulation and chassis flexibility
• Mods that make the Big Boy actually playable
• Tips to make large locomotives run without expensive wide curves

As a big fan of *articulated locomotives* like the Big Boy (and coming soon: the *Yellowstone!**), I aim to make these giants work on **standard Lego train tracks* — without compromising on looks or function.

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🔔 Subscribe for more playable articulated train builds
👍 Like if you love making massive trains run on compact layouts
💬 Tell me in the comments:
Have you tried building or modding an articulated locomotive?
R40 or R104 – which do you prefer?