The evolution of the WBM wedge-style coupler

WBM coupler

Weldco-Beales Mfg. (WBM) has introduced the latest addition to their suite of excavator couplers, the patented HL (hydraulic lock) Series hydraulic wedge coupler. 

The new HL Series coupler maintains similar features of the previous hydraulic wedge coupler with an additional hydraulically activated safety-locking feature that eliminates the need for a manual safety lock to be installed after hooking-up to the attachment.

WBM’s wedge-style excavator quick coupler allow operators to quickly change between attachments in the same machine class. Weldco-Beales’s manual coupler was first introduced in 1987 and the first WT-QC hydraulic coupler was released in 1993 for a John Deere 790D excavator. 

RELATED: Weldco-Beales celebrates 75 years of building Canada

WBM wedge couplers and wedge-lugged attachments quickly became an industry standard for dealers and their end users by offering superior breakout force retention while providing operators with the flexibility to quickly and safely change attachments in the field.

The new HL Series hydraulic wedge coupler is the latest evolution of the flagship product. 

The HL Series coupler utilizes a double-acting hydraulic cylinder to engage and disengage the wedge bar while activating a hydraulic wedge bar safety lock. The safety lock mechanism provides a visual indication of the wedge bar engagement to the operator, allowing the operator to remain inside the cab. 

The control box is mounted in the operator’s cab, equipped with both visual and audible alarm features. 

The HL Wedge Coupler is currently available for 120 to 400 series excavators and is compatible with most factory supplied coupler control units. 

Since 1945, Weldco has attained a strong wealth of knowledge, experience, skills, and technologies to build value for its customers.

From its beginnings in Vancouver, Weldco-Beales now supplies attachments to customers across North and South America, Europe and Asia. 

This year, the company is celebrating 75 years since its founder opened his welding shop in downtown Vancouver. 

They continuously create and deliver unique solutions for OEM’s, dedicated to servicing the construction, forestry, mining, scrap recycling, road maintenance and resource industries