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Browse aftermarket replacement parts for the Doosan DX140W-3 wheeled excavator.
Use filters or search by OEM part number. Compatibility details are listed on each product page.
The DX140W-3 is the -3 generation of the DX140W, with an operating weight of about 33,100 lb and about 137 horsepower. Doosan's construction equipment line has been sold under the Develon name since 2023.
The DX140W is an earlier generation and shares many of the same parts. The DX160W-3 shares most of the same parts. Match the full model name, including any -3 or -5 suffix, and the serial number on the serial plate before ordering.
Common replacements include the air filter that replaces OEM 400504-00255, the fuel filter that replaces OEM 400504-00078, and the engine oil filter that replaces OEM 400508-00091. Hydraulic filters, switches and seals make up much of the rest of the range.
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