What Information Do You Need to Provide When Purchasing a Rubber-Tyred Gantry Crane?

I. Basic Procurement Information (Mandatory)

Equipment Type and Quantity
Specific Type: Rubber-Tyred Gantry Crane (RTG) / Mobile Harbor Crane / Engineering Rubber-Tyred Crane
Procurement Quantity: X Units (Single Unit / Batch)
Application: Container Yard / Bulk Cargo / Steel Structures / Bridges / Metallurgy / Precast Concrete, etc.
Core Lifting Parameters (Determine Model Selection and Quotation)
Rated Lifting Capacity: Rated load under the lifting attachment (e.g., 40.5t / 50t / 60t), inclusive of the self-weight of the spreader / grab / clamp.
Lifting Height: Distance from the ground to the highest point of the lifting attachment (e.g., 21m / 25m / 30m), inclusive of stacking layers (e.g., stacking 5 high, passing over 6).
Span / Rail Gauge: Clear distance between the inner sides of the gantry legs (e.g., 23.47m / 26.5m), corresponding to the number of container rows to be spanned.
Working Radius (Mobile Rubber-Tyred Crane): Minimum / Maximum radius (e.g., 3m – 18m).
Operating Radius / Coverage Area: Yard length, width, turning radius, and aisle width.
Operation and Speed ​​Requirements
Lifting Speed: Full load / No load (e.g., 23m/min / 52m/min).
Gantry Traveling Speed: Full load / No load (e.g., 54m/min / 135m/min).
Trolley / Slewing / Luffing Speeds and Acceleration Requirements.
Operation Mode: Continuous / Intermittent / Three-shift system; annual operating hours.
II. Operating Scenario and Site Conditions (Determine Structural Design and Adaptability)
Site Foundation
Ground Surface Material: Concrete / Asphalt / Gravel; Ground Bearing Capacity (e.g., **≥ 30t/m²**).
Ground Slope: ≤ 3%; presence of potholes, expansion joints, or obstacles.
Yard Layout: Container block arrangement, aisle width, stacking height restrictions, and requirements for cross-operations.
Environmental Conditions (Determine Protection Class/IP Rating)
Ambient Temperature: -20°C to +50°C (High-temperature / Low-temperature / Cold storage environments).
Humidity, Salt Spray (Port / Coastal environments), dust, corrosive gases
Rain and wind resistance ratings (e.g., resistance to Force 12 winds), lightning protection requirements
Explosion-proof / Clean environment / Waterproof ratings (e.g., IP54 / IP65)
Power Supply and Energy (Determines the Power System)
Mains Power: Voltage / Phase / Frequency (e.g., 380V, 3-phase, 50Hz), capacity, connection point
Power Source Type: Diesel / Lithium-ion battery / Hybrid / Mains-powered via conductor rail; operating range / charging requirements
Energy consumption metrics, emission standards (National IV / National V / Euro VI)
III. Structural and Configuration Requirements (Determines Customization and Cost)
Main Structure
Main Girder Type: Truss-type / Box-girder type; material (e.g., Q355B)
Gantry Leg Type: Single-girder / Double-girder; leg span, height
Tire specifications, quantity, brand, steering mode (All-wheel steering / Differential steering)
Counterweights, frame strength, torsional / bending resistance requirements
Hoisting and Lifting Gear
Lifting Gear Type: Container spreader (20'/40'/45') / Grab / Hook / Specialized clamp
Lifting gear functions: Rotation, tilting, telescoping, automatic twist-lock
Wire rope / Chain specifications, safety factor, brand
Drive and Transmission Systems
Motor / Reducer / Hydraulic pump: Brand, power rating, protection class
Travel Drive: Single-wheel drive / Dual-wheel drive / Four-wheel drive; braking method (Electromagnetic / Hydraulic / Parking brake)
IV. Control and Automation Requirements (Determines Level of Intelligence)
Operation Modes
Cab operation / Wireless remote control / Wired pendant control / Remote central control
Requirements for multi-vehicle control (one-to-many), multi-point operation, and linkage control
Automation and Intelligent Functions
Semi-automatic / Fully automatic operation (AutoRTG), anti-sway control, precise positioning (±50mm)
Integration with TOS/MES/WMS systems, data uploading, remote monitoring
Automatic skew correction, automatic stacking, fault diagnostics, energy consumption management
V. Safety and Compliance Requirements (Must be clearly defined to avoid rework)
Safety Devices (Mandatory Configuration)
Overload limiter, torque limiter, hoisting/traveling/luffing limit switches
Anti-collision systems (radar/infrared/physical buffers), emergency stop, audible and visual alarms
Wind anchoring systems, rail clamps, anti-runaway devices, electrical insulation protection
Standards and Certifications
Applicable Standards: GB/T 14743, ISO, EN, etc.
Certifications: Special Equipment Manufacturing License, CE, CCS, Explosion-proof Certification, etc.
Requirements for third-party inspection, load testing, and non-destructive testing reports
VI. Commercial and Delivery Requirements (Impacts Quotation and Lead Time)
Delivery and Installation
Lead Time: X days; Delivery Location
Installation, commissioning, training, and acceptance criteria
Division of responsibilities for transportation, hoisting, and foundation construction
After-sales Service and Warranty
Warranty Period: X years for the complete machine; X years for core components
List of wearing parts, spare parts supply, after-sales response time (e.g., 2-hour response)
Maintenance and service plan, personnel training curriculum
Customization and Special Requirements
Non-standard Customization: Extended/increased dimensions (length/height/width), specialized lifting tools, lifting platforms, rotating platforms
Details such as color, logo, warning labels, inspection ports, foot pedals, etc.
Interfacing requirements with existing equipment (e.g., AGVs, flatcars, conveyors)
Information Submission Checklist (Recommended to send directly to the manufacturer)
Basic Parameter Sheet (Lifting capacity, height, span, speed, quantity)
Site Layout Plan (Indicating access lanes, stacking heights, and obstacles)
Environmental and Power Supply Specifications
Drawings or photos of lifting tools/grippers
Checklist of automation and safety requirements
Delivery, warranty, and customization requirements