The equipment is used for 280 mm wide slot cutting or 400 mm wide in soil of up to IV category and soil abrasivity of up to 10 mg.;

The ATM trench opening unit is intended for:

  • trench opening so as to lay pipelines, communication lines, power lines, and other routes of communication;
  • works on limestone and sandstone cutting,
  • excavation of frozen and hard grounds in preparation of construction sites
  • loosening of frozen and hard grounds in carrying out of different earthworks

ATM is equipped with cutters of RD-12T type and a hydraulic reduction gear built in speed reducer’s adapter for stepless tractor’s speed control.

In addition the unit is provided with a cleaning arm for trench bottom leveling.

Three version of ATM are available:

  • АТМ.00.00.000-01 with cutting slot width Н=280mm
  • ] АТМ.00.00.000-03 with cutting slot width Н=400mm,
  • АТМ.00.00.000-01 with cutting slot width Н=280mm

* The tractor is not included in the delivery set


Base tractor version T-170 (T-130) *
Cutting chain travel speed (at rate speed of power-takeoff shaft n=1050 r/min), m/s 2,12
Control range of tractor travel speed with an active reduction gear, km/h from 0,26 to 0
Cutting trench  width (slot), mm 280, 400
Depth of a cutting trench, mm, max АТМ-01,03, 2000 АТМ-09, 2700
Capacity (at normal conditions), m/min 1,5
Operating hydraulic system pressure, MPa 12,5
Unit control (hydraulic cylinder for cutter jib actuation) Hydraulic system distributor for base tractor
Reduction gear control Speed control device
Overall dimensions in transport position (without tractor), mm – length over cutting unit 3200
  - width over worm screws 2100
- height over arm 1545
Mass of unit, kg - АТМ.00.00.000-01 2610
- АТМ.00.00.000-03 2640
- АТМ.00.00.000-09 3100
*A base tractor version should provide a means for connection of a power-takeoff shaft and a drive shaft

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