Not always. Heavy-duty classification is based on the duty cycle, working class (A7–A8), and the type of material handling it performs—not just its load capacity.

A crane may handle heavy loads or be designed for heavy lifting, but if it’s used infrequently, it might not be classified as heavy-duty. This applies to both single girder gantry cranes and double girder gantry cranes.

Parts that face high stress—such as the wire rope hoist, motors, couplings, and electrical components—should be inspected regularly.

Whether used in steel gantry cranes, bridge crane systems, or paired with overhead cranes, routine checks and proper fall protection in line with OSHA standards help extend service life and ensure safe operation when moving heavy material.

Both serve large-scale material handling needs. RMG cranes run on fixed rails for high precision and taller lifting heights, while a rubber tyred gantry crane moves on wheels for flexible yard layouts.

These crane types are engineered for container handling; selection usually hinges on yard layout, throughput, and infrastructure rather than single-/double-girder bridge styles.

Only certain portable and fixed height designs—especially some lighter steel gantry cranes—are rated to move with a load. Always follow the manufacturer’s instructions, as some (like EME) are designed for travel at full rated lifting capacity, while larger heavy-duty models moving very heavy loads typically require lowering the load before travel.

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Many models allow adjustments to span and lifting height. Others are engineered as fixed height units for specific lifting needs.

Customization is common across overhead cranes and bridge crane setups and can be incorporated into single girder gantry cranes or double girder gantry cranes to match a project’s material handling requirements.

Smaller portable cranes can be assembled in minutes, while heavy-duty steel gantry cranes or systems integrated with overhead cranes may require significantly longer installation—especially if rail infrastructure or structural integration is needed.

Duration depends on whether the unit is fixed height, its lifting capacity, and whether it’s part of a broader material handling system.

Heavy-duty gantry cranes range from around 5–10 t to several hundred tons. Options include single girder gantry cranes, double girder gantry cranes, and hybrid steel gantry cranes integrated with bridge crane systems. Matching the lifting height and lifting capacity to your lifting needs ensures the best performance for your operation.

Many suppliers can provide engineered drawings and, when required, PE-stamped calculations—especially for permitted installations or when integrating fall protection and runway interfaces with overhead cranes. This confirms the crane meets all load capacity requirements and aligns with applicable safety regulations.