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OQ 70/55

OQ 70/55 is a fully automatic quick coupler system to suit all medium sized excavators from 18-28 t.

OQ 70/55

Max. output torque kNm 450
Bucket radius mm 1550
Force at bucket edge kN 290
Width (mm) 550
Weight (approx, kg) 230
Quick coupler with 2 parallel hydraulic cylinders
Max. working pressure (MPa) 35
Load-bearing hose break valves Yes
Pressure control valves Yes
Leak-free quick couplers made of steel, OilQuick
Coupling sizes 1/2" 3/4" 1"
Oil flow at 0.3 MPa pressure loss (L/min) 70 140 250
Max. continuous working pressure (MPa) 35 35 35
No. of couplings 2 2 2

Attachment frame for mechanical tools without coupling ramp
Inside width (mm) 550
Pin distance (mm) 600
Pin diameter (mm) 70
Weight (kg) 85
Attachment frame for hydraulic tools with coupling ramp
Inside width (mm) 550
Pin distance (mm) 600
Pin diameter (mm) 70
Weight (kg) 95
Hydraulic tool adapter plate with coupling ramp
Inside width (mm) 550
Pin distance (mm) 600
Pin diameter (mm) 70
Weight (kg) 315
Hydraulic tool special adapter with coupling ramp
Inside width (mm) 550
Pin distance (mm) 600
Pin diameter (mm) 70
Weight (kg) See identification plate on adapter