Engineering Data & Technical Specifications: Compact Double

The Compact Twin is optimized for high-velocity environments, utilizing a dual-tray delivery system to eliminate operator wait time. While one tray is being picked, the next is already positioned for access. For custom layout support or throughput modeling, Contact our Sales Team.

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Machine Dimensions & Capacity

Category
System Height
Height Increments
Tray Widths
Tray Depths
Tray Capacity
Total Machine Capacity
Machine Width
Machine Depth
Compact Double Specifications
3,000 – 16,000 mm (9.8 – 52 ft)
150 mm (5.9 in) steps to match ceiling height
1,830mm (72") | 2,440mm (96") | 3,050mm (120") | 3,660mm (144")
820 mm (32.3 in) Standard
300 kg (661 lbs) up to 500 kg (1,102 lbs) per tray
100,000 kg (220,462 lbs)
2,307 mm – 6,929 mm
4,748 mm – 7,286 mm

Performance & Drive System

Category
Drive System
Retrieval Speed
Pick Accuracy
Positioning Accuracy
Weight Check
Engineering Details
Metal Rack & Pinion (Durable alternative to belts/plastic)
Variable (Configurable based on height and tray location)
Up to 99.9% (With guided picking features)
Included (Height measurement up to 1,000mm in 25mm intervals)
Optional (Tray load options: 300kg and 500kg)

Controls, Power & Environment

Category
Access Openings
Control System
User Access
Power Requirements
Current
Environment
Configuration Options
Single/Dual access; Panel shutter door optional; Ergonomic design
Standard controller or integrated software (WMS/ERP compatible)
Password protection and Group rights/authorization included
3-phase; 400 V in US
25/32 A (AC 50 Hz)
Ambient, Temperature-Controlled, or Cleanroom options

Optional Ancillary Devices

  • Optional Features: LED Bar, Laser Pointer, Pick Display, Label Printers, Scanners, Confirmation Buttons, Foot Pedal.

  • Optional Openings: Pallet handling (In-opening, 100% extract, or partial extract).

  • Tray Dividers: 25 mm (1 in) height increments.

Every system is supported by our national network of direct-hire, factory-trained Field Service Engineers. We don’t use third-party contractors—we send our own experts.

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Compact Double VLM

Maximum Storage Density

The Compact Double is engineered for operations that need massive storage volume without sacrificing the speed of automated retrieval.

Key Benefits

  • Deep Reach Storage: Two tray-storage sections for maximum inventory consolidation.

  • Heavy Duty: Maintains the 100,000 kg total machine capacity for heavy industrial parts.

  • Secure: Built-in group rights and password protection for sensitive inventory.

VLM rack and pinion at White Systems Modex booth

Engineered for Reliability

Unlike competitors using plastic parts or belts that stretch, the Compact Double uses a 4-wheel metal rack-and-pinion drive for superior reliability, precision, and long-term performance.

Precision-engineered VLMs delivering faster picks, denser storage, and reliable uptime—supported by U.S.-based technicians.

Precision-engineered VLMs delivering faster picks, denser storage, and reliable uptime—supported by U.S.-based technicians.

Vertical lift module
Up to 120/hr
Tray cycles per hour
Up to 85%
Floor space reclaimed
Up to 99%+
Picking accuracy
Up to 120/hr
Tray cycles per hour
Up to 85%
Floor space reclaimed
Up to 99%+
Picking accuracy

White Systems builds high-performance Vertical Lift Modules for fast tray delivery, high-density storage, and accurate goods-to-person picking. Our U.S.-based service team supports every system, and our dual-tray and rack-and-pinion designs help customers reduce walking, increase throughput, and reclaim up to 85% of floor space.

Ready to discuss your storage requirements?

Ready to explore automated storage? Send us a message and our team will help you get started.

Customers rely on our automated storage solutions to reclaim space and drive measurable efficiency:

“We have been able to eliminate over 500 storage bin locations. We’ve been able to use that space to maximize and optimize the production of our floor.”

— Warehouse Supervisor at ABB