Medium excavator DX255LC-7

crawlerTier 4 - finalconstruction

Overview
The DX255LC-7 crawler excavator is a Stage V compliant medium-class machine designed for construction and heavy excavation tasks, offering improved fuel efficiency and flexible boom configurations.

Build & durability
Reinforced castings and forged-steel pivot points, reinforced heavy-duty arm and boom, and improved hydraulic line routing enhance durability for high-impact operations. Available with monoboom or articulated boom to suit different jobsite requirements.

Engine & emissions
Powered by the Develon DL06V Stage V engine with DOC, SCR and DPF. DPF service interval up to 8000 hours. Integrated D-ECOPOWER virtual bleed off (VBO) and 3rd-generation Smart Power Control (SPC3) reduce fuel consumption compared with the previous generation.

Hydraulic system & performance
High-capacity hydraulic system with main pumps delivering 2 × 210.6 l/min, providing strong digging forces and responsive controls, including Power boost for demanding cycles.

Cab & operator comfort
Spacious low-noise cab with reduced vibration, excellent all-round visibility, premium heated seat with optional cooling, and improved ventilation to support operator endurance and productivity.

Options & attachments

• Pin kits
• H-class buckets (heavy duty)
• S-class buckets (severe / rock duty)

Specifications

• Maximum power: 141.3 kW / 189 hp @ 1900 rpm
• Operating weight: 25,700 kg
• Standard bucket capacity: 1.40 m³ (available 0.92–1.17 m³)
• Emission standard: Stage V
• Engine: Develon DL06V, 6 cylinders
• Stick length: 2500–3500 mm
• Boom length: 5900–6090 mm
• Bucket digging force: 17.0–17.9 t
• Arm digging force: 11.7–15.4 t
• Main pumps max flow: 2 × 210.6 l/min