mechanical assembly CAD Models

Browse mechanical assembly CAD models used in real projects. Preview online and download STEP/STP, IGES, STL and more. Filter by category, file type, price and popularity.

All3D PrintingAerospaceArchitectureAutomotiveAviationChemicalConstructionElectricalEnergy And PowerIndustrial DesignJewelleryMachine designMarineMedicalRobotics
719 models2D drawings
Sort by:
Free
Round Rivet Nut - Complete | High-Quality CAD Model
MACHINE DESIGN · ROUND RIVET NUT

Round Rivet Nut - Complete | High-Quality CAD Model

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
V6 Engine | 3D Engineering Design File
AUTOMOTIVE · V6 ENGINE

V6 Engine | 3D Engineering Design File

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Alfa Romeo Group A Center Lock Hub Part 3 - Assembly - Downloadable CAD Representation
AUTOMOTIVE · ALFA ROMEO

Alfa Romeo Group A Center Lock Hub Part 3 - Assembly - Downloadable CAD Representation

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
V Type Piston-Crankshaft Assembly | 3D Engineering Design File
MACHINE DESIGN · V TYPE PISTON

V Type Piston-Crankshaft Assembly | 3D Engineering Design File

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview

Need a CAD file that is not in the library?

Share your requirement and Marathon OS will match you with a vetted CAD designer for production-ready CAD files, edits and manufacturing documentation.

Get it Built
500+Projects Done
24 hrResponse
15+CAD Tools
Free
Leyland Suspension Knuckle Joint | High-Quality CAD Model
AUTOMOTIVE · LEYLAND SUSPENSION KNUCKLE JOINT

Leyland Suspension Knuckle Joint | High-Quality CAD Model

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Yağ Yakalama Tankı | High-Quality CAD Model
INDUSTRIAL DESIGN · YAĞ YAKALAMA TANKI

Yağ Yakalama Tankı | High-Quality CAD Model

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Audi Gearbox 01E - Downloadable CAD Representation
AUTOMOTIVE · AUDI GEARBOX 01E

Audi Gearbox 01E - Downloadable CAD Representation

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Mazda Mx-5 Miata Individual Throttle Bodies Itb Intake Manifold Assembly | 3D Engineering Design File
AUTOMOTIVE · MAZDA MX-5 MIATA

Mazda Mx-5 Miata Individual Throttle Bodies Itb Intake Manifold Assembly | 3D Engineering Design File

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Knuckle Joint Assem - Downloadable CAD Representation
MACHINE DESIGN · KNUCKLE JOINT

Knuckle Joint Assem - Downloadable CAD Representation

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Lever Bracket | High-Quality CAD Model
MACHINE DESIGN · LEVER BRACKET

Lever Bracket | High-Quality CAD Model

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Foldable Ladder Trolley | High-Quality CAD Model
MACHINE DESIGN · FOLDABLE LADDER TROLLEY

Foldable Ladder Trolley | High-Quality CAD Model

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Dc Motor Winding - Downloadable CAD Representation
MACHINE DESIGN · DC MOTOR WINDING

Dc Motor Winding - Downloadable CAD Representation

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Transformable Solar Electric Vehicle For Agriculture Usage - Downloadable CAD Representation
AUTOMOTIVE · SOLAR ELECTRIC VEHICLE

Transformable Solar Electric Vehicle For Agriculture Usage - Downloadable CAD Representation

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Holland Fw35 Fifth Wheel | 3D Engineering Design File
MACHINE DESIGN · HOLLAND FW35

Holland Fw35 Fifth Wheel | 3D Engineering Design File

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Powder Coat Booth | 3D Engineering Design File
INDUSTRIAL DESIGN · POWDER COAT BOOTH

Powder Coat Booth | 3D Engineering Design File

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
无线移动式输送线 | 3D Engineering Design File
MACHINE DESIGN · WIRELESS CONVEYOR

无线移动式输送线 | 3D Engineering Design File

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Sprocket Carrier | 3D Engineering Design File
MACHINE DESIGN · SPROCKET CARRIER

Sprocket Carrier | 3D Engineering Design File

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Pinion Shaft - Downloadable CAD Representation
MACHINE DESIGN · PINION SHAFT

Pinion Shaft - Downloadable CAD Representation

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Pi̇mli̇ Basi̇t Jack - Downloadable CAD Representation
MACHINE DESIGN · PIMLI BASIT JACK

Pi̇mli̇ Basi̇t Jack - Downloadable CAD Representation

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Vi̇dali-Rulmanlı Jack | High-Quality CAD Model
MACHINE DESIGN · VIDALI-RULMANLI JACK

Vi̇dali-Rulmanlı Jack | High-Quality CAD Model

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Cilindr | High-Quality CAD Model
MACHINE DESIGN · CILINDR

Cilindr | High-Quality CAD Model

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
Free
Ø5 Pull Pin | 3D Engineering Design File
MACHINE DESIGN · PULL PIN

Ø5 Pull Pin | 3D Engineering Design File

.STEP
Open STEP file viewerConvert STEP to STL
0 downloads
Preview
prev...1617181920...next
Marathon OS logoThe CAD marketplace for modern teams
HomeAbout usWhy us?Contact us
Tools3D to 2D Drawing Pipeline3D CAD Viewer3D CAD File Converter
Library
Hire CAD Designers
Production-ready in 24 hrs
👤
→
2D Library
Ask a question
Privacy Policy|Terms of Service|Refund Policy|
© Marathon 2025 All Rights Reserved