What are the economic and operational advantages of a Straddle Carrier system over a traditional RTG + Terminal Tractor fleet?

A Straddle Carrier unifies horizontal transport and vertical stacking into a single versatile machine, transforming terminal efficiency: Streamlined Equipment Fleet: Replaces separate fleets of Rubber-Tired Gantry Cranes (RTGs) and yard tractors/trailers. One straddle carrier picks up the container from under the STS quay crane, transports it across the yard, and stacks it—reducing total fleet size and equipment coordination overhead. Faster Vessel Turnaround: Reduces dwell and waiting times at quay side, as straddle carriers drop off and pick up containers continuously without waiting for dedicated yard trucks. Decoupled Operations: Allows quay cranes and yard stacking to operate independently, preventing bottlenecks when truck drivers are delayed.

How do stacking height ratings (1-over-2, 1-over-3, 1-over-4) impact container yard density and throughput?

Stacking capacity directly dictates your terminal's storage density per square meter:1-over-2 / 1-over-3 Models: Ideal for high-speed horizontal shuttle transport (Shuttle Carriers) and medium-density yards, providing supreme mobility and fast cycle times.1-over-4 High-Stacking Models: Stacks containers up to 4-high, maximizing land utilization for space-constrained terminals while maintaining high travel speeds (up to $\mathbf{30\text{ km/h}}$) across narrow yard lanes.

How do Hybrid and Battery-Electric Straddle Carriers help terminals achieve zero-emission targets?

Modern straddle carriers offer scalable eco-friendly powertrain options tailored to port decarbonization goals:Diesel-Electric Hybrid: Combines a downsized diesel engine with ultracapacitors or lithium battery packs to capture braking and hoist-lowering energy. This cuts fuel consumption and $\text{CO}_2$ emissions by up to 35% to 50%.Pure Battery-Electric (Fully Electric): Powered by heavy-duty battery packs with automated fast-charging pantograph stations. Delivers zero direct emissions and significantly lower noise levels in near-city port environments.

Can manual Straddle Carriers be converted or integrated into Automated Straddle Carrier (A-STRAD) fleets?

Yes, top-tier straddle carriers are built on "Automation-Ready" structural and electronic platforms: Advanced Navigation Integration: Equipped with high-precision Differential GPS (DGPS), optical sensors, radar, and 3D LiDAR for autonomous lane-keeping, obstacle detection, and mm-accurate container positioning. Seamless TOS Communication: Integrated directly with the Terminal Operating System (TOS) via secure wireless networks, enabling 24/7 unmanned yard stacking, truck loading, and horizonal transport without human intervention.

Straddle Carrier

Heavy - duty Straddle Carrier for container handling

Container Straddle Carrier moving shipping containers

Large - capacity Straddle Carrier used in seaport operations

Straddle Carrier lifting container at port terminal

Straddle Carrier equipment for container stacking

Industrial Straddle Carrier operating in logistics yard

Authentication mark:

Capacity:40~900t（customizable）

Lifting Height:10-15m（customizable）

Voltage/Hertz:(customizable)

Brand Name: YUNTIAN

Place of Origin: Henan, China

Product manual

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Introduction

Technical Data (General Version)

Application

Features

PRODUCT INTRODUCTION

The Straddle Carrier (also known as Container Straddle Carrier) is a high-efficiency container handling and stacking solution purpose-built for ports, terminals, rail hubs, and large-scale logistics facilities. Featuring a portal frame structure that straddles containers or transport vehicles, it utilizes a hydraulic lifting system and container spreader to autonomously pick up, transport, stack, load, and unload containers. Combining horizontal transport and stacking functions without the need for fixed rails, the Straddle Carrier delivers exceptional maneuverability and operational flexibility, significantly improving quay-to-yard transfer efficiency. It is a core asset in modern automated container terminal operations.

TECHNICAL DATA

Attribute	Specification Range
Rated Lifting Capacity	40~900t（customizable）
Lifting Height	10-15m（customizable）
Work Duty Class	A5 – A8
Span	18~108m（customizable）
Power Source	Diesel-electric
Traveling Mode	Rubber tire type, can be longitudinally, laterally and in crab rows
Applicable Object	ISO 20ft、40ft、45ft container
Lifting Speed	0-3.5m/min
Travel Speed	0-35m/min

APPLICATION

Seaports & River Ports - Container Terminals

Rail Container Terminals & Intermodal Hubs

Heavy Machinery Manufacturing & Specialized Logistics

Large-Scale Warehousing & Distribution Centers

Road Freight Stations & Inland Logistics Parks

Industrial Heavy Material Handling

FEATURES

Versatile Horizontal Transport: Acts as a dual-purpose machine that can both lift and transport containers between the ship-to-shore (STS) cranes and the storage yard, eliminating the need for separate trucks or tractors.

Autonomous Stacking and Unstacking: Capable of stacking containers "1-over-2" or "1-over-3" high, allowing for efficient use of terminal space while maintaining the ability to pick and place individual containers quickly.

High-Speed Load and Unload Cycles: Engineered for rapid acceleration and braking, it significantly speeds up the "vessel-to-stack" turnaround time, making it the preferred choice for medium-sized terminals prioritizing speed.

Multi-Directional Maneuverability: Features high-fidelity steering systems that allow it to turn in tight radiuses and move between narrow container aisles, providing superior flexibility compared to rail-bound equipment.

Direct Truck and Rail Interface: Can directly straddle and load/unload road trailers or rail wagons, serving as a flexible link in intermodal logistics without requiring additional specialized quay machinery.

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Our products are mainly exported to South America, Southeast Asia,Africa, Russia, Turkey, Middle East countries and so on.