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3D Models of Gearboxes and Transmission Parts

This collection gathers 3D models of gearboxes and transmission parts, from full housings to individual gears and shifters. You can find educational cutaways that show how gear ratios work, as well as decorative pieces. For anyone into 3D printing, these models help you understand or replace mechanical components. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.

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選定基準：Polyzon編集部 · 本文の更新日：2026年10月12日

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«3D Models of Gearboxes and Transmission Parts»

Automotive gearbox models range from complete housings to internal gear sets. Some focus on a single component like a shifter plate, while others are full assemblies with moving parts. Educational models often demonstrate gear engagement or differential action, and decorative versions may use transmission themes in unusual shapes.

When choosing a model, check the author's notes for scale and number of parts. Look at whether the design requires supports and what material or settings the author lists. Photos of real prints can show how well the gears mesh or how the housing fits together.

To narrow results, try related terms such as gearbox, transmission case, shift fork, or synchronizer. You can also search for specific applications like RC car gears or 4WD transfer cases. Combining a part name with a material or printing method may help you find a model that matches your project.

FAQ

よくある質問

What is the difference between a gearbox and a transmission?
In many contexts, the terms are used interchangeably. A gearbox usually refers to the set of gears and shafts, while a transmission can include the housing and shifting mechanisms.
Can I print a functional gearbox?
Some models are designed as working assemblies with moving gears. Check the author's description for clearances and whether the design is meant to be assembled after printing.
What materials work for printing transmission parts?
The author's page often suggests a material, such as PLA or PETG. For parts that experience friction, some makers use tougher filaments, but the choice depends on the model's intended use.
How do I find a gearbox model for a specific vehicle?
Search for the vehicle type or transmission family, like "5-speed gearbox" or "4WD transfer case". You can also look for the number of speeds to narrow results.
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