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) | Ca. 90 |
| Attachment frame for hydraulic tools with coupling ramp | |
| Inside width (mm) | 550 |
| Pin distance (mm) | 600 |
| Pin diameter (mm) | 70 |
| Weight (kg) | Ca. 128 |
| Hydraulic tool adapter plate with coupling ramp | |
| Inside width (mm) | 550 |
| Pin distance (mm) | 600 |
| Pin diameter (mm) | 70 |
| Weight (kg) | Ca. 295 |
| 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 |