Used Doosan DH220LC-7 Excavator

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Doosan DH220LC-7 Crawler Excavator Detailed Introduction

The Doosan DH220LC-7 is a classic 22-ton class medium crawler excavator developed and manufactured by Doosan Infracore (now Hyundai Doosan Infracore), as a core best-selling model in its DH-7 product line. The "LC" suffix refers to the long crawler undercarriage design, which delivers superior stability on uneven construction sites. This model is widely favored in emerging markets including Southeast Asia, Latin America, Africa and the Middle East for its high reliability, low operating cost and strong environmental adaptability, and is suitable for a wide range of medium and heavy construction scenarios.

1. Core Specifications

Parameter	Detailed Data
Operating Weight	21.8 ~ 22.5 t (varies by bucket configuration and optional attachments)
Standard Bucket Capacity	0.93 m³, optional range 0.5 ~ 1.2 m³
Engine Model	Doosan DE08TIS inline 6-cylinder, turbocharged, intercooled, water-cooled diesel engine
Rated Power	128 kW (172 HP) @ 1900 rpm
Max Torque	645 N·m @ 1400 rpm
Emission Standard	Tier 2 / EU Stage II
Max Travel Speed	3.6 km/h (low speed) / 5.5 km/h (high speed)
Max Drawbar Pull	192 kN
Gradeability	70% (35°)
Swing Speed	12.4 rpm
Max Digging Depth	6620 mm
Max Digging Reach	9810 mm
Max Dumping Height	6810 mm
Hydraulic System	Negative flow control system, total main pump flow 2×220 L/min, working pressure 34.3 MPa
Fuel Tank Capacity	320 L
Hydraulic Tank Capacity	147 L

2. Core Performance Advantages

2.1 Highly Reliable Powertrain

The DE08TIS engine is specially tuned for construction scenarios, with strong low-speed high-torque output, and can maintain stable power output even under high altitude (below 4500m) and high temperature (up to 52℃) working conditions. The optimized fuel injection system reduces comprehensive fuel consumption by 5~8% compared with same-class competitor models, and the engine has a long overhaul cycle (up to 12000 working hours under regular maintenance).

2.2 Responsive Hydraulic System

The mature negative flow control hydraulic system delivers fast response and high operation precision, with excellent coordination for compound actions (such as simultaneous boom lifting, swing and bucket curling), no jitter or lag during operation. The hydraulic components use high-quality seals, with extremely low oil leakage rate, and the independent large-capacity heat dissipation system ensures stable hydraulic pressure even after 24 hours of continuous heavy load operation, no power derating.

2.3 Durable Structural Design

The boom, arm and X-type lower frame are welded with high-strength low-alloy steel, with reinforced stress points, and can withstand long-term impact load in quarry and mining scenarios. The high-manganese steel track shoes, carrier rollers and idlers adopt multi-layer sealing design, with wear life 20% longer than ordinary models, and the reinforced bucket with wear-resistant liner plate extends service life in gravel and rock handling scenarios.

3. Operator Comfort & Safety

The cab is ROPS (Roll Over Protective Structure) and FOPS (Falling Object Protective Structure) certified, which effectively protects the safety of the operator in case of rollover or falling object accidents.
Equipped with fully adjustable air suspension seat, low-force operating joysticks and multi-point cab shock absorption system, which reduces operator fatigue during long-hour operation.
The high-power automatic air conditioning system covers all corners of the cab, with fast cooling and heating effect, suitable for extreme temperature environments. The large-area panoramic glass provides 360° unobstructed vision, eliminating operation blind spots.
The LCD monitor displays real-time operating parameters including fuel level, water temperature, hydraulic oil temperature and fault codes, which is convenient for operators to monitor equipment status in time. The cab sound insulation design keeps internal noise below 75 dB(A).

4. Application Scenarios

The DH220LC-7 supports a variety of optional attachments (hydraulic breaker, log grapple, scrap grapple, ripper, magnet etc.), and is applicable to:

Earthwork construction: site leveling, foundation excavation, trenching, bulk earth moving
Quarry and mining: ore loading, overburden stripping, gravel handling
Municipal engineering: road construction, pipeline laying, small-scale urban demolition
Agriculture and forestry: land clearing, irrigation canal digging, timber loading
Port and logistics: bulk cargo handling, scrap transfer

5. Total Cost of Ownership & After-sales Support

Doosan has a dense global after-sales service network, especially in emerging markets, with sufficient spare parts inventory, and the price of common wearing parts is 30~40% lower than European and American brand models, greatly reducing later maintenance costs.
The layout of wearing parts such as filters and lubrication points is designed for easy access, daily maintenance only takes 15~20 minutes, reducing equipment downtime.
The model has a very high residual value, the second-hand market circulation is wide, and the residual value is 10~15% higher than similar products after 5 years of use. The average service life can reach 15000~20000 working hours under standard maintenance.

Note

The DH220LC-7 is a classic legacy model of Doosan, which has been gradually replaced by the new generation DX series excavators that meet higher emission standards in developed regions. However, due to its outstanding cost performance and reliability, it is still widely used in construction sites in most developing countries, and has strong demand in the second-hand construction equipment market.

Non flooded

No accident

Original product

Used Doosan DH220LC-7 Excavator

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