Stump Grinders Specifications

Dimensions and parameters

L = 600 - 900 mm Max torque 500 Nm
W = 150 - 1000 mm Max cutting force 5000 Nm
A = 500 - 1500 mm Max speed 600
S = 700-1600 mm Max continuous power 450 kW
D = 30 - 100 mm Excavator size 3 - 75 tonne
Mass 120 - 750 kg

DTRS-2 DTRS 3 DTRS-4 DTRS-5
Type Hydraulic, single blade, direct drive Hydraulic, single blade, direct drive Hydraulic single blade Hydraulic, single blade, direct belt drive
Blade Diameter 600 - 1000 mm 1,200 mm 2,200 - 2,700 mm 3,000mm
Cutting Depth** 250 - 400 mm 500 mm 1,000 - 1,200 mm
Tip Cutting speed (nominal) 30 m/s; 70 rpm 30 m/s; 50 rpm 45 m/s; 500 rpm 30 m/s; 200 rpm
Max spindle torque 400 Nm 480 Nm 2,400 Nm
Blade rotation dual rotation, reversible dual rotation, reversible dual rotation, reversible dual rotation, reversible
Mass, no blade 40 kg 115 kg 515 kg
Mass, with blade* 80 kg 210 kg 960 kg 1,400 kg
Size LxWxH (mm) 450 x 300 x 500 450 x 300 x 500 750 x 550 x 640
Oil flow 60 - 100 l/min 50 - 80 l/min 240 l/min 240 l/min
Oil pressure 16 - 22 MPa
(160 bar)		 16 - 22 MPa
(160 bar)		 24-35 MPa
(240 - 360 bar)		 16 MPa
(160 bar)
Recommended platform 2 - 4 tonne excavator 4 - 6 tonne excavator 20-25 tonne excavator 60 tonne excavator
Recommended applications
  • earthmoving
  • excavation
  • landscaping
  • demolition
  • earthmoving
  • excavation
  • landscaping
  • demolition
  • quarrying
  • mining
  • earthmoving
  • demolition
  • excavation
  • quarrying
  • mining
  • excavation
  • earthmoving
* mass with blade varies depending on size of blade
** cutting depth varies depending on size of blade