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HTC Greyline™ 550

A strong three-phase grinder

  • HTC GL 550
    HTC GL 550
  • HTC Greyline
    HTC Greyline
  • HTC Greyline
    HTC Greyline
  • HTC Greyline
    HTC Greyline

HTC Greyline™ 550 is a strong three-phase grinder that is perfect for larger areas. It has three grinding heads and a counter-rotating grinding wheel. It is comparable with HTC Greyline™ 450, but the weight and the more powerful engine makes the grinder more efficient. The machine separates for easy transport.

Technical Data

NameHTC GL 550HTC GL 550
Article Number113131113128
Length790 mm790 mm
Width570 mm570 mm
Height1310 mm1310 mm
Weight131 kg131 kg
Motor output4 kW4 kW
Power consumption14,37 A8,26 A
Voltage3 x 230 V3 x 400 V
Frequency50 Hz50/60 Hz
Grinding pressure94,7 kg94,7 kg
Revolution speed715 r.p.m715 r.p.m
Grinding discs3 x 230 mm3 x 230 mm
Grinding head weight102 kg102 kg
Grinding width530 mm530 mm
Grinding motors11
Recommended Dust Extraction SystemsHTC GL 40 D


  • Easy Grinding
    Easy Grinding

    HTC Greyline™ literally means easy grinding. Select and attach your tools, plug the machine to the wall & start grinding.

  • Easy tool choice
    Easy tool choice

    Three standard tools in different grit sizes for removal of coatings and leveling of concrete are all the tools needed, it can’t be easier.

  • Divisible for easy transport
    Separates for easy transport

    All floor grinders in the HTC Greyline™ series separates for easy transport.

  • floating cover
    Floating Cover HTC Greyline™

    All grinders in the HTC Greyline™ series come with a floating cover. The floating cover simplifies handling of the machine and creates a better dust absorption. No need for a separate splash guard.

  • Robust and sturdy chassis
    Robust chassis

    The robust and sturdy chassis makes the machines perfectly balanced which is important when grinding but also simplifies machine handling for tools change etc.

  • Adjustable chassis and handle
    Adjustable chassis and handle

    The floor grinder’s chassis and handle can easily be adjusted to fit your preferred working position. HTC recognize the value of good ergonomics.

  • EZchange

    The HTC developed tool change system is quick, simple and safe. One tooling system for all HTC’s grinding machines. Read more

  • Good working environment
    Good working environment

    HTC’s machines are perfectly balanced during grinding with vibration levels much lower than the threshold values. Sound levels are very low and grinding is more or less dust free.