Paul B Technic Posted 1 hour ago Posted 1 hour ago This build started life as the LEGO Technic 42121 B-Model, but it has been heavily modified and redesigned into an articulated tractor, something that is compact, functional, and full of character. Features HOG (Hand of God) Steering: Smooth and precise control from the top of the cab, making it easy to maneuver the tractor through tight spaces. Opening Engine Cover: The hood flips open to reveal a working engine connected to the front axle, showing off the mechanical detail inside. Rear Mounted Lift Point: Designed for versatility, this rear hitch system allows for a range of attachments. I’ll be designing and building several different tools and implements to connect here soon. Design Notes Transforming the original 42121 B-model into this tractor was an enjoyable and creative process. The articulation joint adds a lot of realism and play value, and the proportions feel just right for a mid-sized off-road tractor. The color scheme, mostly yellow with black accents and a few pops of red and grey, gives it a rugged industrial look. I’m really happy with how this one turned out — a compact, functional Technic build with plenty of room for customization and future add-ons. Stay tuned for the next post where I’ll start developing some of those rear attachments. http://paulbtechnic.blogspot.com/2025/11/lego-technic-articulated-tractor.html Quote
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