
OQ 70/55
OQ 70/55 is a fully automatic quick coupler system to suit all medium sized excavators from 18-28 t.
Why OQ?
- Change between various work tools within a few seconds!
- Increased versatility and efficiency.
- No oil spills, saving both money and the environment. No messy hose couplings.
- Saves the knees and back of the driver when unnecessary jumps in and out of the cab is avoided.
- The OilQuick system will not only make your excavator but also your company more flexible, competitive and cost effective.
- OilQuick is an advanced quick coupler system for excavators and can be supplied in various models for machines from 1 to 120 tons.
- Can distribute: Hydraulic oil, grease, water and electricity.
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 |
OQ 70/55

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 |