CUMMINS 6BT 5.9L ENGINE KIT
Build It. Understand It. Display It.
Bring to life the legendary Cummins 6BT 5.9 L turbo diesel — the powerhouse that earned a reputation for reliability, torque, and simplicity around the world. Built entirely from 100 % genuine LEGO® elements, this detailed miniature captures the unmistakable industrial strength of one of history’s most iconic diesel engines.
WHAT YOU’LL BUILD
A faithful scale model of the Cummins 6BT 5.9 L inline-six turbo diesel engine, complete with realistic geometry, accurate turbo placement, and fully functional internal motion. This model represents the classic mechanical-injection 12-valve engine known for powering Dodge Rams, heavy equipment, and countless custom builds.
WHAT’S INCLUDED
All 100 % genuine LEGO® elements
Access to online, view-only digital build instructions
WORKING FEATURES
Functional crankshaft and piston assembly showing smooth inline-six diesel motion
Single turbocharger with detailed intake and exhaust piping
Accurate injector-pump and manifold layout
Freestanding design — stable when displayed on its sump
SPECIFICATIONS
Approx. 330 pieces
Dimensions: 18 cm (L) × 10 cm (W) × 13 cm (H)
Build time: 4 hours
Skill level: Intermediate to Advanced
Display: Freestanding on sump or compatible with optional Mechanical Miniatures stand or crane
SHIPPING
All kits are made to order in Western Australia.
Engine kits ship in 7 business days
Larger or custom sets ship in up to 14 business days
DISCLAIMER
Mechanical Miniatures is an independent designer and is not affiliated with or endorsed by Cummins Inc. or the LEGO Group. For ages 14 + — contains small parts.
FAQ
Q: Does the engine actually move?: Yes — rotate the crankshaft and all six pistons move in sequence, recreating the 6BT’s smooth, torquey diesel rhythm.
Q: Is the turbo functional?: The turbo is static for display but features realistic intake and exhaust piping for visual accuracy.
Q: Are instructions printable?: Instructions are provided online as view-only digital files to protect design integrity and allow easy updates.
Q: How does it display?: Each engine can freestand securely on its sump or be mounted on an optional Mechanical Miniatures stand or crane (sold separately)