The Terex TXC255LC-2 hydraulic excavator has a Doosan DL06 direct injection, turbocharged, air-to-air intercooled, six-cylinder, Tier-III-certified engine producing 162 net horsepower (HP). It has an operating weight of 54,233 pounds (24,599.7 kg). It comes standard with a spacious cab, heavy-duty frame, stress-tested boom and stick assembly, swing anti-rebound valve, axial piston motor with two-stage planetary reduction gear used for swing, a hydraulic track adjuster, and self diagnostic system.

The Terex TXC255LC-2 has a maximum digging depth of 22.4 feet (6.8 m) and max reach of 32.8 ft (10 m) with a 1.7-cubic yard (1.3-m³) bucket.

The TXC255LC-2 has an e-EPOS (Electronic Power Optimizing System) hydraulic system delivering fluid at a rate of 115.7 gallons (438 L) per minute at a system pressure of 4,685 lbs per square inch (PSI) (32,301.9 kPa).