Q: What is the GRWT QHSS Headblock?
A: The GRWT QHSS is a spreader headblock structural component measuring
5600×2200×2300mm and weighing 4 T (4000 kg). It is a critical load-bearing component
for STS (Ship-to-Shore), RTG (Rubber-Tired Gantry), RMG (Rail-Mounted Gantry), ASC (Automated Stacking Crane) crane spreaders.
Q: Which crane types is the GRWT QHSS Headblock compatible with?
A: Compatible with STS (Ship-to-Shore), RTG (Rubber-Tired Gantry), RMG (Rail-Mounted Gantry), ASC (Automated Stacking Crane) (Ship-to-Shore), RTG
(Rubber-Tired Gantry), RMG (Rail-Mounted Gantry), and ASC
(Automated Stacking Crane) crane spreader systems.
Q: What are the technical specifications of the GRWT QHSS Headblock?
A: Dimensions: 5600×2200×2300mm. Weight: 4 T (4000 kg). Type: QHSS.
Brand: GRWT. This is a heavy structural component requiring
specialized shipping (flat rack container).
Q: Where has the GRWT QHSS Headblock been deployed?
A: Port terminals in Indonesia, Vietnam, Middle East, Africa, Russia, Panama, Brazil, Singapore, Europe, Chinese Terminals.
Q: Who supplies the GRWT QHSS Headblock?
A: GRWT (Shanghai Gerunwan Technology Co., LTD) — a port crane spare parts
supplier offering spreader components, brake systems, electrical parts,
and cable chain systems with proven deployments across Asia, Middle East,
Europe, and the Americas. Contact: sales@shgrwt.com.











