Used Doosan DH150LC-7 Excavator

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Doosan DH150LC-7 Crawler Excavator Detailed Introduction

The Doosan DH150LC-7 is a classic 15-ton medium-sized crawler excavator developed and manufactured by Doosan Infracore, designed for high efficiency, high reliability and low operating cost for small and medium-sized construction scenarios. The "LC" in its model name stands for Long Crawler, meaning it is equipped with an extended undercarriage for better stability and terrain adaptability. It is widely favored by global contractors for its strong adaptability to harsh working conditions and accessible after-sales support.

1. Core Technical Specifications

Category	Parameters
Operating Weight	13,900 – 14,500 kg (varies with bucket size, counterweight and attachment configuration)
Powertrain	Doosan DB58TIS 4-cylinder turbocharged intercooled diesel engine; Rated power: 73.5 kW (98.6 HP) @ 2,200 rpm; Meets Tier 2 / Stage II emission standards; Torque reserve: 28%
Hydraulic System	2 variable displacement piston pumps; Maximum flow: 2 × 126 L/min; System working pressure: 275 bar; Adopts negative flow control technology
Standard Bucket Capacity	0.58 m³ (heaped), optional 0.32 – 0.7 m³ buckets for different scenarios
Working Performance	Max. digging depth: 5,560 mm; Max. ground-level digging reach: 8,320 mm; Max. digging height: 8,490 mm; Max. dumping height: 5,980 mm; Bucket digging force: 98 kN; Arm digging force: 63.7 kN
Undercarriage	Track gauge: 2,200 mm; Ground contact length: 3,375 mm; Ground contact pressure: 0.47 kgf/cm² (with standard 600 mm track shoes); Travel speed: 3.4 / 5.5 km/h (low/high gear); Swing speed: 12 rpm; Max. drawbar pull: 118 kN
Cab	ROPS/FOPS certified; Internal noise level: ≤74 dB(A)

2. Key Features

2.1 Reliable & Fuel-Efficient Powertrain

The DB58TIS engine has been verified for decades in global harsh construction scenarios, with low failure rate and strong adaptability to low-quality fuel in emerging markets. Its high low-end torque reserve reduces fuel consumption by 8-10% compared with peers of the same tonnage, and supports normal start at -15℃ (can be upgraded to -30℃ with optional cold start kit).

2.2 Precise & Responsive Hydraulic System

The mature negative flow control system perfectly matches engine output, minimizes hydraulic energy loss, and delivers smooth compound movements (simultaneous boom lift, arm swing and bucket operation) for higher operation efficiency. It is also equipped with two adjustable working modes: Power mode for heavy-load digging, and Economy mode for light-load operations such as site leveling to further reduce fuel consumption.

2.3 Stable Heavy-Duty Undercarriage

The extended crawler design and widened track shoes bring extremely low ground pressure, ensuring stable operation on soft terrain such as mud, wet farmland and sand. All undercarriage components (track links, support rollers, idlers) are subjected to induction hardening treatment, with 30% longer service life than ordinary products. The strong drawbar pull supports 35° slope climbing.

2.4 Operator-Friendly Cab

The ROPS/FOPS certified cab guarantees operator safety in case of rollover or falling objects. The panoramic glass provides a 270° wide field of view, the ergonomic suspension seat with lumbar support reduces fatigue during long shifts, and the high-efficiency HVAC system maintains a comfortable operating temperature in both high-temperature and cold environments.

2.5 Low Operating & Maintenance Cost

All daily maintenance points (engine oil filter, fuel filter, air filter, hydraulic oil return filter) are accessible at ground level, the radiator core is designed for easy cleaning, and the consumable replacement interval is extended to 500 working hours. Doosan's global after-sales network and affordable spare parts reduce long-term operating costs by more than 15% compared with competing models.

2.6 Durable Structural Parts

The boom, arm and main frame are made of high-strength Q345B steel, with reinforced welding at stress concentration points, and wear-resistant plates are added to the bucket edge and side plates to adapt to rocky working conditions.

3. Typical Application Scenarios

The DH150LC-7 is suitable for a wide range of working scenarios:

Municipal engineering: Trenching for pipeline laying, road repair, landscaping, small building demolition, urban waste removal
Construction sites: Foundation excavation, building material loading, site leveling, post-construction cleanup
Agriculture and water conservancy: Farmland renovation, irrigation ditch digging, reservoir desilting, river embankment reinforcement
Small mining and quarry operations: Loose ore loading, site clearing, gravel handling
Forestry: Log grabbing, forest land clearing

4. Optional Configurations

To meet customized demands, the model supports a variety of optional accessories:

Work tools: Hydraulic breaker, log grapple, auger, ripper, clamshell bucket
Functional attachments: Quick coupler (for fast tool replacement), 700/800 mm widened track shoes for ultra-soft terrain, wear-resistant bucket teeth
Upgrades: Cold start kit for extremely cold regions, cab FOPS guard, reverse camera, travel alarm

5. Market Position

As a classic model in Doosan's medium excavator product line, the DH150LC-7 has a high market share and good residual value in the second-hand equipment market. It is an ideal choice for small and medium-sized contractors, balancing excellent performance and affordable investment cost.

Non flooded

No accident

Original product

Used Doosan DH150LC-7 Excavator

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