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On-Board Mass (OBM) Systems

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About OBM Systems

OBM systems are able to measure the mass of axle groups and calculate the gross vehicle mass of a vehicle.

OBM systems are often referred to as on-board weigh scales or electronic weighing systems, and are widely used across the surface transport sector commercial, contractual and regulatory purposes.

TCA grants approval for OBM systems against the On-Board Mass System Functional and Technical Specification.

Type-approved OBM Systems

View Type-Approved OBM Systems

See our new OBM Fact Sheet for Transport Operators.

For more information on OBM systems, please contact us.

Smart OBM Systems

Find out more about Smart OBM systems.


Last updated on 16 March 2021