SMART WAREHOUSE ASRS

Intelligent 4-Way Shuttle Pallet System

The ultimate solution for high-density storage and high-throughput automation. Save 60% floor space and reduce labor costs by 80% with Lracking autonomous robots.

95%Space Density

2.0m/sShuttle Speed

1.5TLoad Capacity

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Product Overview

The Future of Automated Storage

The 4-way pallet shuttle system is an intelligent robot capable of moving in four directions within a dense racking structure. Unlike traditional systems, it allows for seamless lane-changing and level-changing via vertical lifts, creating a fully flexible ASRS environment.

100% Selectivity

Access any pallet in the system without moving others.

Flexible Scaling

Easily add more shuttles to handle increased throughput.

Cold Storage

Specialized design for operations down to -30°C.

WMS Integrated

Seamless connection with your existing ERP/WMS systems.

Industry Challenges

Overcoming Warehouse Limits

Space Shortage

Traditional racking requires too many forklift aisles, wasting 60% of floor space.

✓ 95% Volume Efficiency

Labor Dependency

Rising wages and lack of skilled operators slow down warehouse velocity.

✓ 24/7 Unmanned Picking

Manual Mispicks

Human errors lead to shipping delays and costly reverse logistics.

✓ 99.99% Accuracy

Core Technology

Key Features

⚡

Super-Capacitor

15-minute quick charge for 4 hours of continuous high-speed operation.

🛰️

Laser Navigation

Precise positioning with ±2mm accuracy using industrial laser sensors.

📡

Seamless Wi-Fi

Wi-Fi 6 compatible with 50ms roaming for zero-latency control.

🦾

Modular Design

Plug-and-play components for rapid maintenance and low downtime.

System Anatomy

Core Components

4-Way Shuttle Robot

The autonomous vehicle with 4-directional drive and lifting mechanism.

High-Precision Racking

Specialized racking with integrated horizontal and transverse rails.

Vertical Lift System

High-speed lifts to move shuttles and pallets between floor levels.

WCS Control Software

Intelligent traffic management and task scheduling system.

Engineering Data

Technical Specifications

📏 Racking

Max Height30 Meters

MaterialQ345B Steel

Levels5-25

🤖 Shuttle

Max Load1500kg

Speed1.2-2.0 m/s

Battery48V Li-ion

⚙️ Operations

Temp Range-30°C ~ +45°C

Positioning±2mm

CommsWi-Fi / 5G

🛡️ Safety

SensorsLaser Scanner

BrakingElectromagnetic

Warranty24 Months

Comparison

Why 4-Way Shuttle?

Feature	Selective Rack	Radio Shuttle	4-Way Shuttle
Space Utilization	~40%	~80%	Up to 95%
Selectivity	100%	LIFO/FIFO	100%
Labor Cost	High	Medium	Low (Auto)
Throughput	Medium	High	Ultra-High
Cold Storage	Manual	Semi-Auto	Fully Auto

Deployment

Implementation Process

Consultation

Analyzing warehouse layout, throughput needs, and SKU profiles.

3D Design

Custom ASRS simulation and engineering drawing for approval.

Installation

Professional global team onsite assembly and WMS integration.

Why Lracking

Expertise in Automation

16+ Years

Decades of manufacturing experience in Dongguan, China.

70+ Countries

Global project delivery and localized installation support.

Source Factory

Direct manufacturer prices without any middleman markup.

Custom Solutions

Tailored ASRS designs based on specific industry logistics.

Industries

Built for High-Volume

Manufacturing

WIP and raw material storage.

Automotive

Spare parts and component ASRS.

Cold Chain

Frozen food and pharma logistics.

3PL / Retail

Fast-moving consumer goods.

FAQ

Common Questions

What is 4 Way Shuttle Racking?▼

4 Way Shuttle Racking is an automated high-density storage system that uses shuttle cars capable of moving in four directions (front, back, left, and right) across a rail network within racking systems. It combines vertical lifts, conveyors, and a Warehouse Management System (WMS) to achieve fully automated pallet storage and retrieval. Unlike traditional shuttle systems that only move in two directions, the four-way shuttle provides greater flexibility, allowing it to switch lanes and levels without manual intervention.

How does a 4 way shuttle system work?▼

The system operates through coordination between multiple components: 4-way shuttle cars move pallets horizontally in all directions. Lifts (hoists) transport shuttles and pallets vertically between levels. Conveyors connect inbound and outbound stations. WMS/WCS software controls routing, task allocation, and inventory. When a pallet arrives, the system automatically assigns a shuttle to transport it to the optimal storage location. Retrieval follows a similar automated process.

What are the main advantages of 4 way shuttle racking?▼

Key advantages include: Ultra-high storage density (up to 80–90% space utilization), Flexible scalability (add more shuttles as needed), Reduced labor costs through automation, High efficiency for both inbound and outbound operations, and Adaptability to different warehouse layouts. It is particularly suitable for warehouses with limited space but high throughput requirements.

What industries are suitable for 4 way shuttle systems?▼

4 way shuttle racking is widely used in: E-commerce fulfillment centers, Cold chain logistics, Food & beverage industry, Pharmaceutical storage, Manufacturing warehouses, Third-party logistics (3PL). These industries benefit from high-density storage and fast order processing.

What is the cost of a 4 way shuttle racking system?▼

The cost varies depending on several factors: Warehouse size and height, Number of shuttle cars, Software (WMS/WCS) complexity, Throughput requirements, and Customization level. Generally, it requires a higher initial investment than traditional racking systems but delivers strong ROI through labor savings and efficiency gains.

How many shuttles are needed in a system?▼

The number of shuttles depends on: Daily pallet throughput, required handling speed, Warehouse size, and Number of storage levels. Typically, systems are designed with a scalable approach, starting with fewer shuttles and increasing them as demand grows.

Is 4 way shuttle racking suitable for cold storage?▼

Yes, it is highly suitable for cold storage environments. Benefits include: Reduced human exposure to low temperatures, Improved operational efficiency in freezing conditions, Lower energy loss due to reduced door opening time, and equipment designed to operate in temperatures as low as -25°C or lower. It is one of the most popular solutions for cold chain logistics.

How long does it take to implement a 4 way shuttle system?▼

Implementation time typically ranges from 8 to 16 weeks for medium-scale projects. Larger or more complex systems may take longer.

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Contact Lracking for a free ROI analysis and customized system layout.

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