LEGO Technic – Cat D11 Bulldozer (Set 42131)

Set Overview

The LEGO Technic Cat D11 Bulldozer is a 3,854-piece build featuring modular treads, blade lift, ripper control, and app-powered movement via Control+ system. Designed for advanced builders, it replicates Caterpillar’s massive earthmoving machine with precision and power.

Set Details

• Theme: LEGO Technic
• Piece Count: 3,854
• Set Number: 42131
• Release Year: 2021

Why Collectors Love It

This set blends engineering and realism. A flagship Technic build for fans of heavy machinery and remote-controlled functionality.