DEVELON, formerly Doosan Construction Equipment, has announced a number of upgrades for the company’s wheel excavators from 14-21 tonne which significantly boost performance, improve safety and enhance operator convenience.
The upgrades have been introduced on the five medium-heavy models from 14 to 19 tonne, all of which are now new ‘K’ class models, including the DX140W-7K, DX160W-7K, DX165WR-7K, DX170W-7K, and DX190W-7K. The upgrades on the largest DX210W-7K 21 tonne wheel excavator will be available in July 2025.
Like the DX170W-7K, engine power for both the DX140W-7K and DX160W-7K models is now provided by the Develon DL06V Stage V engine, resulting in an 11% increase in output to 113.6 kW (152 HP) at 2000 RPM, matching that in the DX170W-7K.
The DX165WR-7K reduced radius model is powered by the Perkins 1204J engine, offering 102.1 kW (137 HP). Completing the range, the DX190W-7K and DX210W-7K are again powered by the Develon DL06V Stage V engine, providing 129.8 kW (174 HP) and 141 kW (189 HP) at 1900 RPM, respectively
In the new DX140W-7K and DX160W-7K models, there is an updated main pump system, increasing the flow supplied to the travel components. In these models and the DX165WR-7K, there is also an improved travel motor for a wider range of displacement and an enhanced transmission system to release more torque to the axles. This has raised the travel speeds possible on roads and hills (without the loss of any power) and also an improved overall travel acceleration and traction force.
Inside the new cab space, operators now benefit from a larger 12-inch Gauge Panel, upgraded from the previous 8-inch version. Featuring a full HD resolution of 1920 x 1080 px and powered by the Android 10 operating system, the display offers crisp, high-clarity visual images.
To meet the EN474:2022 safety standard, a rear/right view is always displayed while the machine is in operation, regardless of the driving or working mode, provided that the camera offers a view to the rear/right. A Side & Rear view camera option ensures both camera screens are always visible simultaneously, whether in half view or full view.
The AI-based technology in the SAVM system is able to effectively identify both moving and stationary individuals in close proximity to the machine. Upon detection, the system promptly alerts operators through a combination of visual signals and audible alarms on the monitor, ensuring a heightened awareness of the surrounding environment.
All the new WEX-7K models offer an undercarriage/trailer hitch ready option, which provides a configuration to attach a trailer for loading and unloading attachments, for example. The functions provided by this option include a Trailer Hitch mounting (Dozer/Outrigger); a Trailer Hydraulic Brake connection line (Rear Brake branch); a Lower Harness Line configuration for the Trailer Lamp connection and Trailer Dump Up/Down and Tail Gate Open/Close functions.
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