Conjet ACR™ Robot


The track-driven hydrodemolition concrete removal Robot 557 H is the ideal choice for parking garages, bridges and other horizontal surfaces. Together with an adjustable chassis, the robot is a versatile and compact solution with incredible manoeuvrability in confined spaces.

The Robot 557 H has been designed with the ability to extend the tracks, as well as sliding the main body, for easy positioning of the cut.

The robot, as a part of the 7-series, features the ONE control system making it as easy as any other robot in the same series.


  • Fully automated via the Conjet ONE control system
  • Tool-kits available ensures multi­purpose use
  • Diesel or electric power
  • Easy access to the engine and hydraulics for daily maintenance
  • Hydrodemolition applied
  • Prepared for Conjet Connec

Technical Data

CE, EMC certified

Weight2 300kg (5 070lb)
Length3 480mm (11ft 5in)
Width / with extended tracks1 200mm – 1 900mm (3ft 11in/6ft 3in)
Height, minimum1 450mm (4ft 9in)
Cutting width2 100mm (6ft 11in)
Maximum reaction force3 000N
Power supplyDiesel engine, 18,7 kW Electric, 3×380–
480VAC, 32A or 3x200VAC, 63A / 50–60Hz

Know ONE – Know ALL

All Conjet ACR™ robots share the same control system, ConjetONE.

ConjetONE allows all operations to be configured from the remote radio control unit or on the robot display, resulting in easy configuration, fast start-up time and high efficiency.

Secure a long lifetime and trouble-free operation

To secure a long lifetime, trouble-free operation and added functionality of your ACR™ robots, Conjet has developed add-ons and services to enable just that.

  • Technical support
  • Spare and wear parts
  • Training
  • Add-ons

Powerpacks & Accessories for Robot 557 H


The endurance runners at particularly favourable operating costs


The endurance runners at particularly favourable operating costs


The endurance runners at particularly favourable operating costs.


The endurance runners at particularly favourable operating costs.


The Wireless Connection Kit establishes communication between the robot and the pump. The Wireless Communication Kit integrates the robot and the pump control systems. The pump operational data can be maneuvered and controlled from the robot to achieve one point of contact for the operator.


The Rotor Assembly R557 is a surface preparation tool that is designed for removal of the topmost layer of concrete and steel surfaces. The rotor is equipped with 2-4 nozzles for concrete removal and up to 20 nozzles for surface preparation.


The Feed Beam Extension R557 increases the width of the feed beam. This enables the cutting width of the robot to be increased to optimize for maximum productivity.

Explore full product range

Automated Concrete Removal using Hydrodemolition technology

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