MQ2525/3025 Multi-Operation Portal Crane
*(25-ton Grab / 30-ton Hook Capacity | 25m Max Outreach | A7 Duty Class)*

Product Description
Versatile Heavy-Lift Solution for Ports & Industrial Terminals
Zhuosheng Equipment??s MQ2525/3025 Portal Crane delivers precision handling of bulk materials, general cargo, and containers. Featuring rack-type luffing and live counterweight technology, this fully slewing crane excels in demanding environments like the Sanshui Nangang Port (validated operation).

Engineering Highlights

Triple-Function Versatility:

25-ton grab (coal/aggregates)

30-ton hook (heavy machinery)

Container handling capability

Rack-Type Luffing Precision: Direct gear-driven boom control (50m/min)

Live Counterweight System: Automatic balance during slewing

Intelligent Diagnostics: AC VFD + PLC with Condition Monitoring System

Typhoon Resilience: 55m/s survival wind rating

Technical Specifications
Lifting Performance

Duty class: A7 (ISO 4301 continuous heavy-duty)

Outreach range: 9m (min) to 25m (max)

Hoisting heights:

Grab mode: 10m above rail / 15m below rail

Hook mode: 15m above rail / 15m below rail

Speed Parameters

Hoisting:

Grab: 50 m/min

Hook: 40 m/min

Luffing: 25 m/min

Slewing: 1.2 rpm

Traversing: 25 m/min

Structural Configuration

Portal clearance: 6.18m

Track gauge/base: 10.5m / 10.5m

Tail swing radius: 7.07m (corrected from cm)

Load-bearing wheels: 20

Max. wheel pressure: 250KN

Rail specification: QU80

Power & Weight

Installed power: 374 KW (AC380V/50Hz)

Net weight: ??262 tons

Operational Advantages
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[PRODUCTIVITY FEATURES]
? 50m/min grab speed for bulk cycling
? 1.2rpm slewing precision
? 6.18m portal clearance for double-stack truck access

[SAFETY INTEGRATIONS]
? Real-time load monitoring
? Wind speed auto-shutdown (20m/s)
? Anti-collision system (optional)
Certified Reliability
? ISO-Compliant Manufacturing
? National Trusted Quality Product (China)
? Operational at Sanshui Nangang Port (Guangdong)

?? Custom Solutions:

Diesel-electric hybrid power

Arctic-grade packages (-30??C)

Outreach extension to 30m