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LTM 1055-3.3 — zdjęcie 1
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LTM 1055-3.3

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Liebherr LTM 1055-3.3 (1:50 Scale Mobile Crane) A 1:50 scale model of the Liebherr LTM 1055-3.3 all-terrain

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Creative Commons — Attribution — Noncommercial — Share Alike

Liebherr LTM 1055-3.3 (1:50 Scale Mobile Crane)

 A 1:50 scale model of the Liebherr LTM 1055-3.3 all-terrain crane. Designed with operational display features in mind, this build includes functional telescoping sections, realistic locking mechanisms, and an optional North American–style boom dolly.

Key Features

  • Extended Reach: Full boom extension reaches nearly 3 feet (approx. 90 cm).

  • Realistic Pinning Locations: Boom sections feature dedicated pin holes for standard extension stages (0%, 46%, 92%, and 100%), locked using M3 grub screws.

  • Functional Luffing Cylinder: Designed to house a 3.5 mm brass tube or solid rod insert, allowing an M3 grub screw to securely lock the boom at various elevation angles without crushing printed parts.

  • Winch & Pawl System: Working winch mechanism with an integrated ratchet/pawl to keep hoist lines tensioned.

  • Ballastable Counterweight: Hollow counterweight module designed to hold added weight (such as lead fishing sinkers) for improved stability while rigged.

  • Transport Configuration: Includes a detachable North American–style boom dolly.

 

Hardware Requirements

  • Fasteners: M1.6 to M2 machine screws (assorted lengths) for chassis, cab, and mechanical assembly.

  • Set Screws: M3 grub screws for boom section pinning and cylinder angle locking.

  • Reinforcement: 3.5 mm brass tube or solid rod for the luffing cylinder piston shaft.

  • Ballast (Optional): Lead shot or fishing sinkers for counterweight fill.

  • Line: Braided fishing line or fine rigging thread for hoist cable.

 

Printing & Assembly Notes

  • Skill Level: Advanced. Fine-pitch scale features and tight operating tolerances make this a challenging print and build.

  • Post-Processing: Due to close tolerances, light sanding and deburring are required on telescoping boom sections and outrigger beams for smooth sliding action.

  • Slicer Settings: Pay close attention to wall-generation settings (Arachne recommended) to ensure thin structural walls and fine details are not omitted during slicing.

  • Fitment: Test-fit sliding and pivoting assemblies before final fastening or gluing.

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