HDD Fluid Assisted Machines

Terra - Jet TJ 8522 S and TJ 5425 S

Series S: Modern Technology - relaxed operation
Swiss manufacturer TERRA has unveiled its S - series Horizontal Directional Drilling (HDD) range, setting new standards in its class.

Main Characteristics:

  • Smart hydraulic system, 25% efficiency increase
  • Equipped with an Automatic Drilling and Backreaming system
  • Cruise & curve mode
  • On-board computer with touch screen
  • Two multifunctional joysticks for comfortable control
  • Wide driver's cab with 180 degree turnable seat
  • Intelligent automatic drill rod changer
  • Environmental friendly layout of power supply


TJ 8522 S 

Max. Torque
Max. Backreaming
Max. Drilling Length
Rod Rotation
Drilling Fluid Volume
Min. Bending Radius

TJ8522 S
20 - 25 tons 

8.500 Nm
1.000mm Dia
97 kW (132HP)
123 r/min
400 l/min

TJ5415 S
13 - 18 tons 

5.400 Nm
600mm Dia
200 - 250m
74 kW (100HP)
145 r/min
200 l/min

All data depending on ground conditions. Technical data may change without prior notice. 

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