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Wedge Lock Coupler attaches to crawler excavators.

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May 19, 2014 - Designed for use with company's 6–53 metric ton excavator models, Wedge Lock Coupler allows operators to change excavator attachments without need for additional hydraulics, but does not decrease machine's breakout force. Coupler has limited increase in tip radius over pin-on mounting. For jobsite safety, system's swing ear design and use of bolt retainer safety plate helps prevent attachments from falling.

Doosan Wedge Lock Coupler Attachment Expands Mounting System Lineup

Doosan Infracore America Corp & Eng Center
8 York Avenue
West Caldwell, NJ, 07006

Press release date: May 1, 2014

(WEST FARGO, N.D.) -- Doosan has released the wedge lock coupler for use with the company’s 6- to 53-metric-ton crawler excavators. This new attachment expands the Doosan coupler line, which currently includes the hydraulic quick coupler.

The new wedge lock coupler manual mounting system is approved for use with 13 crawler-excavator models including the DX63-3, DX85R-3, DX140LC-3, DX140LCR-3, DX180LC-3, DX225LC-3, DX235LCR, DX255LC-3, DX300LC-3, DX350LC-3, DX420LC-3, DX490LC-3 and DX530LC-3.

The wedge lock coupler allows operators to change their excavator attachments without the need for additional hydraulics, but does not decrease a machine’s breakout force. The new coupler has a limited increase in tip radius over pin-on mounting.

The versatile wedge lock coupler is designed to allow for the use of multiple attachments, such as Doosan’s line of heavy-duty digging buckets. It also mounts the company’s current offering of trenching buckets and is capable of efficiently releasing high-capacity bucket models. The new coupler will also pair with Doosan’s excavator clamp attachments.

In an effort to increase jobsite safety, the wedge lock coupler’s swing ear design and the use of a bolt retainer safety plate helps prevent attachments from falling.

Doosan Infracore Construction Equipment America, headquartered in West Fargo, North Dakota, markets the Doosan brand of products that includes large excavators, wheel loaders and articulated dump trucks. With more than 160 heavy equipment dealer locations in North America, Doosan is known for an unmatched dedication to service and customer uptime, and durable, reliable products. Doosan is fast becoming a global force in heavy construction equipment. For more information on Doosan products, visit .
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