Used Doosan DH150W-7 Excavator

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Detailed Introduction to Doosan DH150W-7 Wheeled Excavator

The Doosan DH150W-7 is a classic mid-sized wheeled excavator developed and manufactured by Doosan Infracore (now part of HD Hyundai Infracore), designed to balance heavy-duty operation capability, on-road mobility, fuel efficiency and durability. It is one of the most popular 15-ton class wheeled excavators in the global market, especially favored for urban and short-transfer working scenarios.

1. Key Technical Specifications

Parameter	Specification
Operating Weight	14.8 t – 15.6 t (varies with attachment configuration)
Engine Model	Doosan DL06 6-cylinder, water-cooled, turbocharged, intercooled diesel engine
Emission Standard	Tier 2 / Stage II (adaptable to low-quality fuel in emerging markets)
Gross Rated Power	94 kW (126 hp) @ 2200 rpm
Standard Bucket Capacity	0.32 m³ – 0.71 m³
Max Digging Depth (standard arm)	5150 mm
Max Digging Radius	8750 mm
Max Dumping Height	6200 mm
Swing Speed	12.5 rpm
Travel Speed	0 – 37 km/h (5 forward gears, 3 reverse gears)
Gradeability	70% (35°)
Ground Clearance	360 mm
Fuel Tank Capacity	240 L
Hydraulic Tank Capacity	130 L

2. Core Performance Features

Power and Driving System

The DL06 engine delivers high torque at low RPM, ensuring stable output under heavy load conditions while reducing fuel consumption by 8-10% compared to products of the same class.
Equipped with a heavy-duty powershift transmission and switchable 2WD/4WD mode: 2WD for high-speed, low-fuel-consumption on-road transfer, 4WD for strong traction on unconstructed job sites.
Reinforced drive axles and hydraulic braking system guarantee driving safety both on paved roads and rough construction sites, with a maximum transfer speed of 37 km/h, eliminating the need for flatbed trailers for short-distance movement.

3. High-Efficiency Hydraulic System

Adopts Doosan’s mature Negative Flow Control (NFC) hydraulic system, paired with two variable-displacement axial piston pumps with a total flow of 246 L/min, delivering fast response and precise operation.
Optimized power matching logic between engine and hydraulic pump reduces energy loss, and ensures smooth coordination of compound actions (simultaneous digging, swinging and traveling).
Reserved auxiliary hydraulic pipelines support multiple attachments including hydraulic breakers, grapples, augers and sweepers, and optional quick coupler realizes attachment switch within 1 minute to improve working efficiency.

4. Operator-Centric Cab Design

The cab is certified with ROPS (Roll-Over Protective Structure) and FOPS (Falling Object Protective Structure) to ensure operator safety under extreme working conditions.
Fully sealed and sound-insulated design keeps indoor noise below 75 dB(A). The adjustable air-suspension seat linked with control armrests, and low-force pilot control joysticks reduce fatigue during long-hour operation.
High-definition LCD monitor displays real-time working data including fuel level, water temperature, hydraulic oil temperature and fault codes for easy condition monitoring. Multi-vent high-performance air conditioning, wide field of view and standard working lights further improve operating experience.

5. Easy Maintenance & Long-Term Durability

All structural parts (boom, arm, chassis) are welded with high-strength wear-resistant steel, and have passed 10,000-hour heavy load fatigue tests to adapt to harsh construction conditions.
All daily maintenance points (air filter, fuel filter, oil filter, grease points) are arranged at ground-accessible positions, no need to climb onto the machine for routine inspection, cutting maintenance time by 30%.
The built-in fuel water separator and high-precision hydraulic oil return filter effectively protect core components, extending the service life of the engine and hydraulic system. Doosan’s global after-sales network guarantees sufficient spare parts supply and low operation cost.

6. Application Scenarios

The DH150W-7 is widely used in scenarios requiring high mobility:

Municipal engineering: pipeline laying, road maintenance, trench digging
Urban landscaping: tree planting, pit excavation, green belt construction
Urban renewal: small building demolition, construction waste removal
Freight yard operation: bulk cargo loading and unloading, material handling
Highway maintenance: fast transfer between construction sections without damaging paved roads

Summary

The Doosan DH150W-7 combines the operation capacity of crawler excavators and the high mobility of wheeled equipment, with outstanding reliability, low operation cost and strong adaptability to various working conditions, making it an ideal choice for construction contractors focusing on urban and short-distance transfer projects.

Non flooded

No accident

Original product

Used Doosan DH150W-7 Excavator

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