--- description: What does GDC mean in Formula 1? Learn which F1 gearbox driveline components it covers, the former gearbox limits and what changed for 2026. title: "GDC Meaning in F1: Gearbox Components Explained" image: https://www.f1-fansite.com/wp-content/uploads/2026/09/default-image.jpg --- [Skip to main content](#content) ![Change language](https://www.f1-fansite.com/wp-content/themes/f1fansite/images/flags-svg/gb.svg?v=2) [![F1-Fansite.com](https://www.f1-fansite.com/wp-content/themes/f1fansite/images/logo-mob.png)](https://www.f1-fansite.com/) ![Circuit of The Americas circuit ahead of the 2026 2026 United States F1 GP](https://www.f1-fansite.com/wp-content/uploads/2026/10/2025-cota-header-990x122.jpg) [![Try F1 on Apple TV for 7 days](https://www.f1-fansite.com/wp-content/uploads/2026/07/F1-Launch_Refresh2_Static_Affiliate_728x90_US-EN.jpg)](https://www.f1-fansite.com/f1-on-apple-tv/) [![F1-Fansite.com](https://www.f1-fansite.com/wp-content/themes/f1fansite/images/logo.png)](https://www.f1-fansite.com/) [Sign in](https://www.f1-fansite.com/login/) - [Home](https://www.f1-fansite.com/) - [F1 News](https://www.f1-fansite.com/f1-news/) - [F1 2026](https://www.f1-fansite.com/2026-formula-1-season/) - [F1 2027](https://www.f1-fansite.com/2027-formula-1-season/) - [All Time](https://www.f1-fansite.com/all-time-f1-archive/) - [F1 Stats](https://www.f1-fansite.com/f1-statistics/) - [Photos](https://www.f1-fansite.com/f1-wallpapers/) - [F1 Fans](https://www.f1-fansite.com/fans/) - [F1 Quiz](https://www.f1-fansite.com/f1-quizzes/) - [F1 Tickets](https://www.f1-fansite.com/f1-tickets/) - [F1 Merchandise](https://www.f1-fansite.com/f1-merchandise/) - Add to home screen [Sign in](https://www.f1-fansite.com/login/) [Next session![Circuit of The Americas](https://www.f1-fansite.com/wp-content/themes/f1fansite/images/flags-svg/us.svg?v=2) US United States Grand Prix · FP100d 00h 00m 00s](https://www.f1-fansite.com/f1-calendar/usa-grand-prix-f1-race-information/) [Next session![Circuit of The Americas](https://www.f1-fansite.com/wp-content/themes/f1fansite/images/flags-svg/us.svg?v=2) US United States Grand Prix · FP100d 00h 00m 00s](https://www.f1-fansite.com/f1-calendar/usa-grand-prix-f1-race-information/) # What Does GDC Mean in Formula 1? **GDC is shorthand used on F1-Fansite.com for the gearbox driveline components of a Formula 1 car.** It covers the **gearbox driveline, gear change components and auxiliary components**. The FIA officially referred to this component group as **GBX DL**, rather than GDC, in its Formula 1 documentation. ([fia.com](https://www.fia.com/sites/default/files/decision-document/2024%20Japanese%20Grand%20Prix%20-%20New%20RNCs%20for%20this%20Competition_0.pdf?utm_source=chatgpt.com "FIA FORMULA 1 WORLD CHAMPIONSHIP")) ### What are F1 gearbox driveline components? These are the internal and supporting components that transmit power through the gearbox and allow the driver to select different gears. They are separate from the **gearbox case and cassette**, which is listed as GBX on F1-Fansite.com's component usage tables. ### What does GDC mean in F1 component tables? On F1-Fansite.com, **GDC shows how many sets of gearbox driveline, gear change and auxiliary components a driver has used during a season**. In 2024 these components were Restricted-Number Components. Because the championship contained 24 races, each driver was permitted five sets. Each additional set carried a five-place grid penalty. Interestingly, when a driver introduced an additional gearbox case and cassette and an additional driveline set at the same time, the FIA regulations stated that the two gearbox penalties were not added together. ### Is GDC still limited in Formula 1? **No. From 2026, this seasonal gearbox allocation has been removed.** The current FIA Sporting Regulations restrict the use of specified power unit components, but no longer impose the previous seasonal allocation for gearbox driveline components. ### GDC meaning in short **GDC = Gearbox Driveline Components** **Covers:** Driveline, gear change and auxiliary components **Official FIA 2024 terminology:** GBX DL **2024 allocation:** 5 per driver **2026 allocation:** No seasonal GDC limit Last updated: 3 Sep 2026, 16:16 ### Join our FREE weekly F1 Newsletter Enter your email address & confirm your subscription You've already signed up, Thanks! 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