How Do You Compare STS, RTG and RMG Port Cranes from a China Port Crane Manufacturer in 2026?

Match the crane to the job: STS units serve vessel berths at large container terminals, RTG cranes let yards reconfigure blocks without rails, and RMG systems cut energy cost per move in automated stacks. The 2026 comparison below from a China port crane manufacturer helps you decide by throughput, cargo mix and budget.

What a Port Crane from a China Port Crane Manufacturer Must Deliver

Before comparing models, be clear on what this equipment category does. Port cranes are lifting equipment specially designed for port loading and unloading operations, and they act as the core equipment of the port logistics system.

1. Purpose-built duty cycle. A 2026-spec port crane runs 16-20 hours a day in salt-air conditions; repurposed industrial cranes overheat long before reaching that workload.
2. Multi-cargo handling. A telescopic spreader picks up containers, a grab handles bulk cargo such as coal and ore, and a hook lifts general cargo such as steel pieces. Attachment changes take 10-20 minutes.
3. Direct impact on vessel turnaround. A single STS crane moving 25-30 containers per hour can shorten a port call by hours, which is why crane productivity shapes terminal economics.
4. Configuration matched to your berth. Rail gauge, outreach, lifting capacity and power supply (cable reel, busbar or diesel-electric) are fixed before fabrication, so send ship profiles and yard drawings early.
5. Factory-direct engineering. Ordering from a China port crane manufacturer keeps design, welding and testing teams in one plant, so specification changes during production take days rather than months.

2026 Port Crane Comparison: STS vs RTG vs RMG vs Mobile Harbour Crane

The four types below cover the majority of terminal projects. Read the applicable-scenario column before the price column — the wrong type costs more than any discount can recover.

Which Port Crane Fits Your Site? Scenario-Based Recommendations

• Deep-water container terminal above 500,000 TEU a year: STS cranes on the quay plus an RTG or RMG fleet in the yard.
• Container yard expansion on a tight budget: RTG, and evaluate the electrified version once annual moves pass 100,000.
• Inland river or rail terminal: RMG, because fixed rails suit predictable train-and-truck flows.
• Multi-cargo port under 200,000 t of total annual throughput: mobile harbour crane or portal jib crane with grab and hook attachments.
• Coal, ore or grain terminal: grab-type portal cranes rated 16-50 t, paired with enclosed conveyors at the transfer point.

Questions Buyers Ask a China Port Crane Manufacturer in 2026

Can one crane handle both containers and bulk cargo?

Not at the same moment, but one machine can switch between them. Mobile harbour cranes and portal jib cranes take a telescopic spreader for containers, a grab for coal or ore, and a hook for steel pieces. Changeover runs 10-20 minutes with a trained crew. If your container volume stays under about 100,000 TEU a year, one multi-purpose crane usually covers the mix at a lower total cost than a dedicated container line.

Diesel RTG or electrified RTG — which makes sense in 2026?

Start with your annual move count. Above roughly 100,000 moves a year, an electrified RTG normally pays back the extra power infrastructure within 3-5 years through lower energy and maintenance spending. Diesel-electric units still make sense where grid access is unstable or blocks relocate often. Many buyers order e-RTG units with cable reels for fixed blocks and keep one diesel unit as backup.

How long do delivery and installation take?

Standard RTG units typically ship 4-6 months after drawing approval; STS cranes take 10-14 months because of their size. Sea transport runs in sections, and on-site erection takes 2-4 weeks for an RTG and 6-10 weeks for an STS, depending on quay readiness. Fix the drawing-approval milestone in your contract — schedule delays usually trace back to that date.