KRAB 84.09SA 2018-07-16T13:40:48+00:00

KRAB 84.09SA

measuring trolley

Measuring trolley for railway track geometry 

Version intended for pushing / pulling behind a railway vehicle

Approved by DB, ČD, ADIF, TCDD

Krab 84.09 SA is conceptually similar to Krab 84.09 but it is modified for coupling with a railway vehicle. It also contains derailment prevention and derailment protection systems. The wheels of Krab 84.09 SA have larger diameter, which together with a total weight of about 120 kg, ensures greater in-track stability.

Recorded values:

  • Gauge
  • Alignment (horizontal alignment)

  • Top (vertical alignment)

  • Cant (inclinometer)

  • Quasi-twist (directly measured)

  • Longitudinal slope (optional)
  • Distance run (rotary encoder)

  • Measuring speed


Trolley weight: 120 kg (depending on track gauge)

Trolley battery operation time: 20 h

Range of working temperature: -5÷55 °C

Measuring step: 0,25 m standard (adjustable)

Maximum measuring speed: 30 km/h

Precision: better than 1 mm in all measured parameters

Gauge range: 1000 mm to 1676 mm


Additional equipment may be purchased from this product.

View accessories