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 ...

Case offers the Klac Quick Coupler for seven of its compact and minimum swing radius excavators — CX17B, CX27B, CX31B, CX36B, CX50B, CX75 and CX80. The mechanical quick coupler features automatic ...

The D-Lock quick coupler with SmartFlow is a fully automatic, retrofittable, hydraulic quick-coupler system. Five hydraulic circuits can be coupled comfortably for quick, safe, efficient attachment ...

Doosan Bobcat has extended its offering of quick couplers, which allow operators to change non-hydraulic attachments without leaving their seat, with the launch of a hydraulic pin grabber coupler 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 ...

A: Longtime staff member Jim Hediger provided an explanation of the Type H, or Tightlock, coupler in a sidebar that appeared with his article "HO knuckle coupler guide" in the November 2007 Model ...