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The high-pressure common rail fuel injected engine and electronic power optimizing system (EPOS) provide optimum power and fuel efficiency. Four work modes, auto-idle and machine diagnostics help you manage your fuel costs. For even greater fuel efficiency, auto shutdown helps owners save fuel while the machine isnt working.Designed for long life with a robust frame and reinforced superstructure, the DX255LC-5 is built for reliability. Boom and arm bushings and ultra-hard wear disks deliver dependable performance and extended service intervals. The permanently sealed and lubricated track links maximize uptime and reduce operating costs.A spacious cab means better visibility and more productivity. High-performance air conditioning, extra storage and the reclining, height- and weight-adjustable standard air suspension seat with a headrest and adjustable armrest give you better comfort.Enjoy reduced maintenance costs and extended machine life with the durable x-chassis, strengthened boom and arm assembly, and extended greasing intervals. Easily access the oil filter, air cleaner, fuel filter, radiators and other engine components. The centralized boom and arm grease points are grouped for easy maintenance. Monitor your Doosan heavy equipment and manage maintenance to reduce operating costs with Doosan Telematics.To comply with Tier 4 emissions standards, the DX255LC-5 incorporates a high-pressure common-rail (HPCR) fuel delivery system as well as cooled exhaust gas recirculation (CEGR) combined with a diesel oxidation catalyst (DOC) and selective catalyst reduction (SCR). Read about our Tier 4 technologies to learn more.Learn about all of the other performance, reliability, and comfort features by viewing the crawler excavator product section.


Doosan Construction
Model Year
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33 ft 0 in.
9 ft 9 in.
11 ft 1 in. outside tires
57,752 lb
Fuel Tank Capacity
110.95 gal


Track Length
15 ft 2 in.


Engine Type
Gross Horsepower
189.1 hp @ 1,900 rpm (SAE J1995)
Net Horsepower
183.7 hp @ 1,900 rpm (SAE J1349)
593 lbfft @ 1,400 rpm


System Relief Pressure
4,978 psi
5,263 psi
Std Pump Flow
57.85 gal/min


Travel Speed - Forward
Low : 1.99 mph
High : 3.48 mph
Arm Length
9.84 ft
Arm Force
28,219 lb
Dig Depth
22 ft 4 in.
Dig Height
32 ft 9 in.
Load Height
23 ft 0 in.
Bucket Capacity
1.44 yd
Bucket Digging Force
39,463 lb
Boom Length
19.36 ft
Boom Lift Capacity
Over Front, 10 ft. Above Ground: 18,080 lb @ 20 ft
Over Front, Ground Level: 20,050 lb @ 20 ft
Over Front, 10 ft. Below Ground: 19,950 lb @ 20 ft

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*Price, if shown, is Manufacturer's Suggested Retail Price (MSRP) and does not include government fees, taxes, dealer freight/preparation, dealer document preparation charges or any finance charges (if applicable). MSRP and/or final actual sales price will vary depending on options or accessories selected.