The Doosan DX55 is a medium-sized crawler excavator manufactured in 2010, with approximately 2,921 hours of operation. It is equipped with air conditioning and includes three buckets.

Key technical specifications of the Doosan DX55 include an operational weight of 5,600 kg (12,345.9 lb) and a bucket capacity of 0.1 m³ (0.2 yd³). The maximum cutting height is 5,810 mm (19.07 ft), while the maximum digging depth reaches 3,785 mm (12.42 ft) and the maximum digging reach is 6,135 mm (20.18 ft). The machine also has a maximum discharge height of 4,110 mm (13.39 ft) and a vertical wall digging height of 3,110 mm (10.21 ft). Transport dimensions include a total length of 5,900 mm (19.36 ft), a total height of 1,985 mm (6.52 ft), and a total width of 1,880 mm (6.17 ft). The ground clearance is 365 mm (1.2 ft), with a rear swing radius of 1,650 mm (5.42 ft).

The engine specifications feature a 4TNV98-Z model with four cylinders, delivering a net power of 42.1 kW (56.4 hp) at 2,000 rpm and a maximum torque of 248.1 Nm (183 lb-ft) at 1,300 rpm. The engine displacement is 3.4 L (202.5 cu in). The hydraulic system offers a flow capacity of 110 L/min (29.1 gal/min) and a relief pressure of 20,500 kPa (2,973.3 psi). The travel speed reaches a maximum of 4 km/h (2.49 mph). Further details include a fuel tank capacity of 115 L (30.4 gal) and a hydraulic system capacity of 90 L (23.8 gal).