In-motion rail weighing, Legal-for-Trade scale capability, and wayside train monitoring in one modular system.
Designed for railroads, mines, steel operations, bulk terminals, and industrial rail sites, powered by Qlar.
Modular by design - start with accurate in-motion weighing, add additional functionality as you need it. Depending on the configuration, it can support:
Legal-for-Trade, in-motion railcar weighing
Check weighing
Diagnostic wheel defect monitoring
Automatic vehicle identification
Monitor load distribution
Acoustic exposure data
Weather context
Long-term maintenance intelligence
Connect field measurements to operational systems
Optimized for weighing liquids while eliminating disturbing factors
Custom Pricing Available
This product is configured to your specifications. Request a quote for pricing and lead time.
A modular in-motion rail scale and train monitoring system for railcar weighing, wheel condition diagnostics, load distribution, vehicle identification, and customer IT integration.
The Walz In-Motion Rail Scale & Train Monitoring System, powered by Qlar, combines high-precision rail weighing, wheel-condition diagnostics, and wayside intelligence in one modular platform. It is built for rail operators, industrial terminals, mines, steel producers, bulk loading operations, and maintenance teams that need more than a one-time weight ticket.
Instead of forcing every site into a single scale layout, the system can be configured around the job: legal-for-trade railway track scale operation, high-speed diagnostic weighing, wheel impact load detection, periodic out-of-roundness analysis, automatic vehicle identification, environmental monitoring, and customer IT integration.
Weigh
Know every wagon, axle, and truck load
Capture train, railcar, axle, wheel, and load-distribution data while rail traffic continues moving through the weighing zone.
Diagnose
Find damaging events early
Use WILD, ORW, and POR modules to identify wheel flats, force peaks, out-of-roundness, and load imbalance before they become safety or infrastructure problems.
Integrate
Turn trackside events into usable data
Connect measurements with RFID, OCR, REST/customer IT interfaces, environmental data, and reporting workflows.
Built for rail operations that cannot afford blind spots
For heavy rail, plant rail, and terminal rail environments, the risk is rarely a single missing number. The real risk is not knowing when a wagon is overloaded, when a wheel defect is repeatedly striking the rail, when a loading process is drifting out of tolerance, or when a maintenance issue is becoming expensive enough to damage track, equipment, or product flow.
This system gives operators a practical way to combine rail weighing and condition monitoring at the wayside. Depending on the configuration, it can support check weighing, Legal-for-Trade railcar weighing, diagnostic wheel monitoring, automatic vehicle identification, acoustic exposure data, weather context, and long-term maintenance intelligence.
Where it fits
Industrial rail, terminal, and maintenance environments
Use it where weighing and rail-condition data need to happen in the flow of work: rail yards, loading terminals, mine rail loops, steel and hot-metal operations, grain and aggregate loading, chemical and liquid bulk terminals, and plant rail networks.
The system can be specified for check weighing, commercial railcar weighing, load optimization, maintenance planning, and wayside condition monitoring.
Weight, condition, identity, and context
Measurements can identify overloads, left-to-right or front-to-rear load imbalance, wheel impact events, flat spots, periodic wheel defects, wheel diameter data, train speed, vehicle identity, and environmental conditions that affect measurement interpretation.
Modular by Design
The Qlar MULTIRAIL platform is designed so measurement functions can be combined during the initial project or added later. That matters because a bulk terminal may begin with accurate in-motion weighing, while a railroad or plant may prioritize wheel-impact diagnostics, vehicle identification, or environmental monitoring first.
WIM and accurate WIM modules for train, railcar, axle, and wheel load data.
WILD monitoring for wheel impact load events and force-peak localization.
ORW and POR diagnostics for flat spots, ovality, eccentricity, polygonization, and wheel diameter analysis.
Automatic vehicle identification with RFID, OCR, or integration with existing vehicle databases.
Environmental and acoustic monitoring modules to add weather and transit-exposure context.
REST/customer IT integration to make measurement data useful beyond the scale house.
Configuration examples
Railcar loading
Weigh before and after loading to improve payload utilization while staying inside site, rail, and commercial requirements.
Track protection
Monitor wheel impact and overloading events before they accelerate rail, tie, bearing, or rolling-stock damage.
Legal-for-trade weighing
Use Qlar LegalWeight railway track scale configurations for supported commercial railcar weighing applications.
Maintenance intelligence
Connect wheel and vehicle condition measurements with automatic identification for trend-based maintenance action.
Legal-for-trade, In-Motion Rail Weighing
The Qlar LegalWeight railway track scale has NTEP Certificate of Conformance 14-067A4 for qualifying in-motion and static railcar weighing configurations. For commercial applications, Walz can help align the system design, operating requirements, calibration, and documentation with the intended weighing use case.
Trust Your Project to Walz
Powered by Qlar
Built around Qlar railway weighing and condition-monitoring technology.
NTEP Documentation Available
Qlar LegalWeight railway track scale configurations include NTEP Certificate 14-067A4.
Walz Project Support
Walz can help scope the rail weighing, monitoring, integration, and support requirements.
Installation Service Available
Installation and commissioning support can be scoped with the project.