OQ 70/55 quick coupler interface
This page is about the OQ 70/55 interface itself. OilQuick couplers change the attachment and its hydraulic lines in one movement, and the size code sets the geometry the bracket is built to.
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Attachments for OQ 70/55 machines
Listed by operating weight: each model below is built for machines inside the 18–32 t band OilQuick gives for OQ 70/55. The bracket for your machine is confirmed with the quote.
- CB - heavy duty hydraulic clamp bucket CBR-190, CBR-260
- DB - heavy duty digging bucket DB-190, DB-230, DB-300, DB-400
- DBF - flat-top digging bucket for quick coupler DBF-190, DBF-230, DBF-300, DBF-400
- DCB - grading & ditching bucket with round profile DCB-190, DCB-230, DCB-260, DCB-300, DCB-400
- DSX - Nordic heavy duty digging bucket DS-HD-190, DS-HD-250, DS-HD-300, DS-HD-400
- GD - rigid grading & ditching bucket, 12–40 t GD-190, GD-230, GD-300, GD-400
- GDH - heavy duty hydraulic grading & ditching bucket GDH-190, GDH-230, GDH-260, GDH-300, GDH-400
- PS - Scandinavian universal / grading bucket PS-190, PS-230, PS-300
- RDBF - flat-top skeleton DBF bucket on rods RDBF-190, RDBF-230, RDBF-300, RDBF-400
- SB - Dutch profile grading & ditching bucket SB-190, SB-230, SB-260, SB-300, SB-400
- SDB - heavy duty skeleton DB bucket SDB-230, SDB-300, SDB-400
- AC - excavator asphalt cutters AC-18, AC-30
- DuoRIP - double ripper for root extraction Duo-Ripper-18, Duo-Ripper-30
- GRB - excavator grading beam GRB midi, GRB maxi
- TH - hydraulic thumb for excavator TH-19, TH-26, TH-30
- MR - heavy duty excavator multi-ripper MR-22, MR-26, MR-32
- RIP - heavy duty ripper Ripper-C, Ripper-D, Ripper-E
- PSH - hydraulic swivelling grading bucket PS-190, PS-230, PS-300
- QC-S - S-System Scandinavian quick-coupler QC-S60, QC-S70, QC-S80, QC-U-S60, QC-U-S70, QC-U-S80
- CW - CW-System compatible quick-coupler CW-30, CW-30 S, CW-40, CW-40 S, CW-45, CW-45 S, CW-U-30, CW-U-30 S, CW-U-40, CW-U-40 S, CW-U-45, CW-U-45 S
- QC-HS / QC-MS - MS-System compatible quick-coupler QC-HS-10, QC-HS-21, QC-HS-25, QC-MS-10, QC-MS-21, QC-U-HS-10, QC-U-HS-21
- QC-PG - pin-grabber quick-coupler for factory brackets QC-PG-70, QC-PG-80, QC-PG-90, QC-PG-100, QC-ML-M-60, QC-ML-M-65, QC-ML-M-70, QC-ML-M-80, QC-U-PG-70, QC-U-PG-80, QC-U-PG-90, QC-U-PG-100
What the maker states
| Width | 550 mm |
|---|---|
| Centre distance | 600 mm |
| Mass | about 230 kg |
Figures read from oilquick.de/en/products/excavator/oq-70-55/ on 2026-09-19.
OilQuick couplers change the attachment and its hydraulic lines in one movement. The size number sets the geometry the bracket is built to.
The maker gives this size for excavators from 18 to 32 t.
Our published model tables do not print this size yet. We weld the bracket to order and confirm it with your quote.
For this system
- We make weld-on adapters for this system, without a plate.
- We make weld-on adapters with a plate for this system.
- We make bolt-on adapters for this system, drilled for the attachment.
- We make bolt-on mounting caps for rock breakers on this system.
- We make lifting adapters for this system, with a hook point for a big bag or another load.
Coupler system names belong to their owners. Sieruta is not affiliated with them. This list refers to the mechanical interface only.