Used Doosan DX225LC Excavator

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Doosan DX225LC Crawler Excavator: Full Detailed Introduction

The Doosan DX225LC is a best-selling 22-ton class medium crawler excavator developed and manufactured by Doosan Infracore, a leading global construction equipment brand. As a core model in Doosan’s DX series, it is designed for high reliability, fuel efficiency, operating comfort and low total cost of ownership, making it a preferred choice for contractors across construction, mining, municipal and agricultural sectors worldwide. It is available in multiple emission-compliant versions to meet regional regulatory requirements, including Tier 3/Stage IIIA, Tier 4 Final/Stage V and China National IV emission standards.

Key Technical Specifications (Standard Configuration)

Item	Parameter
Operating Weight	22,000 – 23,500 kg (varies by attachment configuration)
Gross Power	110 kW (148 hp) @ 1,900 rpm
Engine Model	Doosan DL06 6-cylinder water-cooled turbocharged diesel engine
Bucket Capacity	0.92 – 1.28 m³ (standard general-purpose bucket: 1.0 m³)
Max. Digging Depth (Standard Arm)	6,650 mm
Max. Digging Reach (Ground Level)	9,850 mm
Max. Digging Height	9,600 mm
Max. Dumping Height	6,810 mm
Swing Speed	11.5 rpm
Travel Speed (Low/High)	3.2 / 5.5 km/h
Gradeability	35° (70%)
Hydraulic System Operating Pressure	34.3 MPa
Fuel Tank Capacity	350 L
Hydraulic Oil Capacity	240 L
Cab Interior Noise Level	≤72 dB(A)

Core Performance Advantages

1. High-Efficiency Powertrain

The DX225LC is equipped with Doosan’s proprietary DL06 engine, featuring high-pressure common rail fuel injection technology and an electronic control system for precise fuel delivery. It has a 15% higher low-end torque reserve compared to the previous generation DH225 model, delivering strong power even under heavy load conditions such as hard rock excavation and lifting operations:

Multiple operating modes are available: Power (P) mode for heavy-duty high-efficiency operation, Standard (S) mode for general earthwork, Economy (E) mode for low-load light operations, reducing fuel consumption by up to 12% compared to similar class models.
Auto idle and auto shut-off functions reduce unnecessary fuel waste during standby, further cutting operating costs.
All emission versions are equipped with reliable after-treatment systems to meet local environmental regulations without sacrificing power output.

2. Precise & Durable Hydraulic System

Doosan’s proprietary e-EPOS (Electronic Power Optimizing System) is adopted to realize real-time matching between engine output and hydraulic pump load, minimizing energy loss and ensuring smooth compound movements:

The response speed of boom, arm and swing compound operations is 8% faster than competitive models, enabling precise control for fine work such as site grading, pipe laying and lifting.
Independent hydraulic oil cooling system ensures stable system operation even in 45℃ high temperature environments, with hydraulic oil temperature controlled below 90℃ during continuous long-hour operation.
High-quality hydraulic components with overload protection function extend the service life of the hydraulic system, and the replacement cycle of hydraulic oil reaches 5,000 hours under standard working conditions.

3. Ultra-High Structural Durability

The DX225LC is designed to adapt to harsh construction environments, with all key structural parts passing 10,000 hours of extreme load testing:

X-type lower track frame made of high-strength wear-resistant steel has excellent torsion and bending resistance, suitable for rugged mining and quarry sites. The high-manganese steel track shoes, support rollers and idlers are sealed and lubricated for life, with a service life 30% longer than similar products.
The front working equipment (boom, arm, bucket) is reinforced with extra rib plates at all stress concentration points, and wear-resistant alloy bushings are used at all pin joints, effectively reducing abrasion during long-term heavy excavation and breaking operations.
Standard reinforced bucket with wear plate overlay can be upgraded to heavy-duty mining bucket for harsh rock working conditions.

4. Operator-Friendly Cab Design

The cab meets ROPS (Roll-Over Protective Structure) and FOPS (Falling Object Protective Structure) certification standards, ensuring maximum operator safety:

Spacious cab with wide frameless glass windows provides 360° unobstructed vision, greatly reducing blind spots during operation.
Fully adjustable air suspension seat with lumbar support and armrests effectively reduces fatigue during long-hour operation.
Low-effort pilot control levers with short stroke deliver precise and comfortable operation.
Automatic constant-temperature air conditioning system with multi-position air outlets provides suitable operating environment in both cold and hot regions.
8-inch intelligent LCD display shows real-time operating data including fuel consumption, water temperature, hydraulic oil temperature and fault codes. It is also equipped with Bluetooth connectivity, USB charging port and large storage compartments for extra convenience.

5. Easy Maintenance & Smart Management

All daily maintenance points are designed to be accessible at ground level, eliminating the need to climb onto the upper frame for routine checks:

Filters including air filter, fuel filter, engine oil filter and hydraulic oil filter are centrally arranged behind the side access doors for quick replacement.
Optional central automatic lubrication system regularly delivers lubricating oil to all pin joints, reducing manual maintenance workload.
The standard Doosan Connect telematics system supports remote real-time monitoring of equipment location, working hours, fuel consumption and fault warning, helping fleet managers improve management efficiency and reduce unscheduled downtime. Doosan’s global after-sales network provides fast technical support and genuine spare parts supply, ensuring low long-term operating cost.

Application Scenarios

With strong adaptability, the DX225LC can be used for a wide range of operations by matching different attachments:

General earthwork: foundation excavation, road construction, site leveling, material handling
Mining & quarry: overburden stripping, rock loading, gravel yard operation
Municipal engineering: pipe laying, landscaping, urban demolition (with hydraulic breaker)
Special operations: dredging (with long reach boom), forestry logging (with grapple), steel plant operation (with magnetic chuck)

Optional Configurations

Long reach boom/arm (for deep excavation or dredging up to 18m digging depth)
Heavy-duty mining bucket, rock bucket, grid bucket
Hydraulic breaker pipeline, quick coupler for fast attachment replacement
Central automatic lubrication system
Cold weather kit (engine oil preheater, fuel preheater, cold start device for -30℃ environment)
Tropical kit (extra large cooling system for 50℃ high temperature regions)
Rear view camera, heated seat, explosion-proof kit for mining use

Market Performance

As one of the most popular 20-25 ton class excavators in the global market, the Doosan DX225LC has sold more than 120,000 units worldwide as of 2024. It is widely recognized for its high residual value, low failure rate and low operating cost, making it the first choice for small and medium-sized contractors as well as large construction groups.

Non flooded

No accident

Original product

Used Doosan DX225LC Excavator

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