Roto-Mat RM-320 Concrete Scarifier

Motor 11 kW, 15 kW (Electric) /

20 HP (Gasoline)

Working width 320 mm
Drive self-propelled, hydrostatic
Dimensions (L x W x H) 1400 x 600 x 1200 mm
Weight 330 – 339 kg

This product is currently out of stock and unavailable.

SKU: RM-320 Category:



Powerful, efficient roughening and cleaning machine for large-area tasks. Wide range of tools for versatile use. For hourly rates of up to 120m², depending on the nature of the surface.


  • Abrasion and Grinding of concrete, asphalt, markings, level differences, rubber deposits, plastic coatings and dirt crusts.
  • Cutting of seams in concrete (grooving). Roughening of concrete surfaces and concrete roads
    Milling of asphalt surfaces.
  • Removal of traffic Lines, old paint layers, thermoplastic material and hard tops.
  • De-rusting of ship decks.
  • Chipping off rolling skin and incrustations.
  • Cleaning of industrial floors, ramps, driveways and parking areas.
  • Renovation of flat roofs, terraces and bridges.
  • Roughening of Streets and Runways.
  • Underlayment Preparation
Surface preparation – Roughening of concrete.

Levelling and rectifying uneven surfaces


Rasping and milling wheels, loosely placed on a rotating work drum, thorough yet gentle rasping and milling of adhesive, rubber, concrete slurry, roughness and old coatings. HMT-8-PIC milling wheels – 1st quality milling wheel with 8 carbide pins for particularly hard use. Removal rate of up to 8 mm in a single step. No Damage to substrate. Accurate depth control.


Standard RM-320 drum

Article-No.: RM-320-9062

Standard cutter: HMT-8.200 PIC

Article-No.: AT-999-1225


  • Strong, solid welded steel construction designed for robust use.
  • Adjustable guiding grip allows work very close to the wall.
  • Power transfer with toothed belts.
    Direction of rotation and polarity reversing switch.
  • The division of the milling wheels (close or wide) influences the profile of the surface.
  • Highly wear resistant For roughening, abrading, leveling as well as grooving of concrete surfaces.
Switch box

Electric motor with on/off button, emergency Stop function

Drum control

Drum lever for quick and controlled lift-off

Adjustable height

Adjustable milling depth

Speed control

Forwards and backwards, infinitely adjustable


Precise adherence to the milling direction and high manoeuvrability

Suction port

Connection for industrial vacuum cleaner  for low-dust work

Drive unit

Hydrostatic drive, fully encapsulated

Two-hand grip

User protection with optimum safety thanks to emergency stop function



RM-320 add-on Riding Car for easy working on large areas.


VariationsMotorVoltage/ PowerWeight
RM-320-EL-9-1111 kW400V / 50 Hz / 32A330 kg
RM-320-EL-9-1515 kW400V / 50 Hz / 32A330 kg
RM-320-B-920 HPHonda Gasoline, Euro-2339 kg

Alle Maschinen

Working Width320 mm
Drivehydrostatic, self-propelled
Dimensions (L x W x H)1400 x 600 x 1200 mm
Delivery contentRM-320-EL and RM-320-B mounted with 1 Standard Drum (RM-320-9062)
 incl. 1 Set HMT-8-PIC and spacers
 5 metre power cable and plug
 Hexagon spanner
 Operating manual and spare parts list
 Audit Log und Warranty Certificate

Additional information


RM-320-B, RM-320-EL-11, RM-320-EL-12.6, RM-320-EL-15, RM-320-EL-2