It started innocently enough. An excavator operator was holding a bucket over two trench workers' heads to protect them from gravel that was being placed into the trench via a loader. The bucket ...

Quick couplers, those handy hydraulic devices that conveniently connect buckets to an excavator arm, are becoming standard equipment on many manufacturers’ excavators and are a popular aftermarket add ...

The Open-S Alliance is developing an international common standard for automatic quick couplers for excavators, including for ...

Couplers need to be the strongest link in a train, capable of withstanding extreme forces of buff (compression) and draft (expansion). Since the semi-automatic “Janney” knuckle coupler was patented in ...