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B038AM SMARTRACKER™ - Multi wheels hamburg wheel tracker

( Asphalt )

  • EN12697-22
  • AASHTO T324

The most versatile Wheel Tracker on the market able to perform EN and the USA AASHTO tests. The machine is designed to allow researchers and practitioners to conduct tests under dry (in air) and/or under water (wet). Now you can perform wet or dry test with both wheels or run one wheel under dry and one wheel under wet condition simultaneously during a single test.

The Hamburg wheel tracking device can be used to determine the resistance of Hot Mix Asphalt (HMA) to rutting and moisture sensitivity. It also determines the creep slope, the stripping inflection point and the stripping slope.

Equipped with the latest Cyber Plus Progress, Matest SmarTracker controls the movement of the wheels in order to obtain a perfect sinusoidal wave. The measurement points for defining the ruth depth are completely customizable according to EN or AASHTO Standard and for research purposes.

MATEST SmarTracker has been developed by our R&D engineers and scientific in association with some of the most experienced and reputable industry experts in the USA and the world.


  • Comply with EN 12697-22 and AASHTO T324:19.
  • No lifting of heavy wheel assemblies. Wheels retract automatically away from samples and park into rest position.
  • Sturdy machine, designed for the rugged construction laboratory environment stainless steel sample tanks.
  • Two independent loaded wheel systems each capable of conducting wet or dry sample tests simultaneously.
  • Sliding sample positioning mechanism for easy mould handling and placement in the machine.
  • Cyber Plus Progress technology allow to apply a load with a perfect sinusoidal wave, in accordance with AASHTO T-324:19.
  • Fully Automatic machine. Detects and stops the test when the target rut depth is reached.
  • 7" touch-screen control unit and new interface for a modern and user friendly approach.
  • Each of the two wheel assemblies is equipped with displacement transducers for rut measurement.
  • Mechanical recirculating water bath for temperature control within ± 1 °C.
  • Easy to load, unload, drain water and clean the unit after each test.
  • Compact design to accomodate small construction labs and make maintenance easier.
  • Covered by US Patent.

It is also available the model B038AM-15 without cover, which allows water tests only.

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  • Wheel load: 705 N
  • Wheel speed: from 20 to 30 cycles/minute
  • Temperature control EN 12697-22: 2500W heaters for air temperature control, ventilation for temperature uniformity, probe for air temperature, all controlled by the electronic system
  • Temperature control AASHTO T324: 4000W heaters, recirculating pump, automatic feed and controls level
  • Temperature control range: from ambient up to 75° +/- 1°C
  • Table travel: 230 mm
  • Rut depth transducers range: 25 mm +/- 0.1 mm accuracy
  • Slab thickness: adjustable from 38 to 120 mm