AT TRENCH OPENING UNIT

It is general-purpose equipment for excavation of solid ground which can be used in town development, farm building and f transportation management for making of different types of earthworks.

The AT trench opening unit is designed for:

  • trench opening so as to lay communication lines and power lines, laying of pipelines and other routes of communication;
  • works on limestone and sandstone cutting,
  • slot cutting 140 mm wide so as to loosen frozen and hard soil up to IV category and soil abrasivity of up to10 mg. (while fitting of base cutting chain 2086.01.02.060-01) for carrying out earthworks..

In addition 2086.01.02.050-03 cutting chains could be supplied with cutting slot width of 270 mm or 2086.01.02.050 chains with cutting slot width of 400 mm in soils of the II category and soil abrasivity of up to 10 mg. The above chains are to be fitted at a soil-cutter instead of a base chain without any additional alterations
*The tractor is not included in the delivery set!

SPECIFICATIONS

Tractor base 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 140
Depth of a cutting trench, max, mm 2000
Operating hydraulic system pressure, MPa 12,5
Capacity (at normal conditions), m/min 1,5
Unit control (hydraulic cylinder for cutter jib actuation) Hydraulic system distributor for base tractor
Reducing gear control Speed control unit
Overall dimensions in transport position, mm length over cutting unit 4100
  - width over worms for trench width: 140 mm 1370
  - height over cutting unit 680
- length over cutting unit 4280
Mass of unit, kg 2400
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