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HTC Greyline™ 550

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.

Name HTC GL 550  HTC GL 550  HTC GL 550
Article Number 113131 113128  113130
Length 790 mm 790 mm 31.1 inch
Width 570 mm  570 mm 22.4 inch
Height 1310 mm  1310 mm  51.6 inc
Weight 131 kg  131 kg  289 lbs
Motor output 4 kW  4 kW  6.2 HP
Power consumption 14,37 A  8,26 A  8,26 A
Voltage 3 x 230 V 3 x 400 V  3 x 460 V
Frequency 50 Hz  50/60 Hz  60 Hz
Grinding pressure 94,7 kg  94,7 kg  209 lbs
Revolution speed  715 r.p.m 715 r.p.m  858 r.p.m
Grinding discs  3 x 230 mm  3 x 230 mm  3 x 9.1 inch
Grinding head weight 102 kg  102 kg  225 lbs
Grinding width  530 mm  530 mm  20.9 inch
Grinding motors  1  1  1
Recommended Dust 
Extraction Systems
HTC GL 40 D  HTC GL 40 D HTC GL 40 D


Easy Grinding
HTC Greyline™ literally means easy grinding. Select and attach your tools, plug the machine to the wall & start grinding. 
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. 
Separates for easy transport
All floor grinders in the HTC Greyline™ series separates for easy transport. 
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 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

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

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
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.