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How to Read a GBKU Container Number (ISO 6346)
GBK
U
123456
7
Carrier Owner Code (Gearbulk)
Equipment Category (U)
6-Digit Serial Number
Check Digit Verification
For accurate GBKU container tracking, every container follows the international ISO 6346 standard. The first three letters represent the BIC registered owner code for Gearbulk. The 4th character is always U denoting an intermodal freight container, followed by a unique 6-digit serial number and a calculated check digit for tracking verification.
Gearbulk Holding AG & Prefix Directory
Gearbulk
Gearbulk Holding AGGearbulk is a Swiss open-hatch shipping company carrying forest products, steel, and project cargo in specialised self-discharging vessels across global routes. Use our GBKU container tracking tool for real-time visibility across global maritime routes.
Track via Gearbulk Carrier Page
Headquarters
Basel, Switzerland
Founded
1968
Global Fleet
30+ open-hatch vessels
Carrier Alliance
Independent
All Registered Gearbulk Container Prefixes (7)
Select any Gearbulk container prefix to view dedicated prefix tracking, serial number anatomy, and container information.
Frequently Asked Questions About GBKU Container Tracking
What does the GBKU container prefix stand for?
GBKU is an official BIC-registered container prefix operated by Gearbulk Holding AG. The letters "GBK" identify the carrier, and "U" designates a standard ISO 6346 intermodal freight container.
How do I perform GBKU container tracking live?
Enter your full 11-character GBKU container number (e.g. GBKU1234567) into the tracking field above. TraceContainer will fetch real-time vessel schedules, port milestones, and container status.
Can I track all Gearbulk container prefixes on TraceContainer?
Yes, TraceContainer supports live tracking across all registered Gearbulk prefixes including GBKU, GBLU, GBMU, GBNU, GBOU, GBPU and more.