Used Doosan DH150LC-7Excavator

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🏢 1. General Overview

Item	Details
Manufacturer	Doosan Infracore (South Korea)
Model	DH150LC-7
Series	LC-7 (7th Generation LC Series)
Class	15-ton (Medium-Large) Hydraulic Excavator
Production Period	~2012 – 2016
Succeeded By	DH150LC-7A / DH150LCA-7 (later variants)

The DH150LC-7 is one of Doosan's best-selling mid-size excavators, designed for general construction, road building, pipeline work, landscaping, and light mining. It represents a significant upgrade over the LC-5/LC-5A series in terms of fuel efficiency, comfort, and hydraulic performance.

& 2. Engine Specifications

Specification	Details
Engine Model	Doosan DL06-TIS
Type	6-cylinder, Turbocharged, Intercooled Diesel
Displacement	5.87 L (5,870 cc)
Rated Power	~110–113 hp (82–84 kW) @ 1,800 rpm
Max Torque	~440 N·m (325 lb-ft) @ 1,400 rpm
Emission Standard	EPA Tier 4 Final / EU Stage IIIB
Fuel Tank Capacity	~340 L (89.8 gal)
Fuel Efficiency	~10–15% better than LC-5 series

🔑 The Common Rail Direct Injection (CRDI) system provides precise fuel delivery, reducing consumption and emissions.

🔧 3. Hydraulic System

Specification	Details
Main Pump Type	Variable Displacement Axial Piston Pump (×2)
System Pressure	350 bar (5,076 psi)
Pump Flow	~2 × 200 L/min (52.8 gpm)
Hydraulic Tank	~110 L (29 gal)
Control System	EPOS (Electronic Power Optimization System) — intelligent power management

The EPOS system automatically matches engine output to hydraulic demand, saving up to 10% fuel compared to conventional systems.

📐 4. Operating Specifications

Specification	Value
Operating Weight	~14,800 – 15,200 kg (32,628 – 33,510 lbs)
Bucket Capacity (Std.)	0.5 – 0.7 m³ (0.65 – 0.92 cu yd)
Max Digging Depth	~6,700 – 7,100 mm (22.0 – 23.3 ft)
Max Reach (Ground Level)	~9,800 – 10,100 mm (32.2 – 33.1 ft)
Max Digging Height	~9,600 – 9,900 mm (31.5 – 32.5 ft)
Max Dumping Height	~6,900 – 7,100 mm (22.6 – 23.3 ft)
Max Vertical Wall Dig	~5,600 – 5,900 mm (18.4 – 19.4 ft)
Ground Pressure	~45 kPa (6.5 psi)
Travel Speed (Hi/Lo)	5.3 / 3.4 km/h (3.3 / 2.1 mph)
Gradeability	70% (35°)
Swing Speed	~9.0 rpm
Swing Torque	~12.5 kN·m (9,220 lb-ft)

📏 5. Dimensions (Transport)

Dimension	Value
Transport Length	~8,800 mm (28.9 ft)
Transport Width	~2,990 mm (9.8 ft)
Transport Height	~3,110 mm (10.2 ft)
Track Width	Adjustable: 2,200 / 2,600 / 3,000 mm
Track Shoe Width	600 mm (23.6 in)
Undercarriage Length	~3,650 mm (12.0 ft)
Tail Swing Radius	~2,620 mm (8.6 ft)

🪑 6. Cab & Operator Comfort

The LC-7 series was praised for its significantly improved cab over previous generations:

Feature	Details
✅ Air Suspension Seat	Reduces operator fatigue
✅ Climate Control	A/C and heater standard
✅ Full-Color LCD Monitor	Real-time machine diagnostics & camera feed
✅ Excellent Visibility	Large windshield, slim pillars
✅ Low Noise Level	~72 dB(A) — one of the quietest in class
✅ Reduced Vibration	Improved engine mount isolation
✅ Controls	Joystick with thumb-operated auxiliary controls
✅ USB / Aux Port	For audio connectivity

🛠️ 7. Key Technologies & Features

Technology	Description
🟢 EPOS (Electronic Power Optimization System)	Auto-matches engine RPM to hydraulic demand for max fuel efficiency
🟢 Smart Control System	Reduces unnecessary engine revving
🟢 Auto Idle Stop	Engine auto-shuts off after 5 min of inactivity
🟢 doosanCONNECT	Telematics-ready for fleet management (GPS, diagnostics, alerts)
🟢 Doosan Smart Care	Preventive maintenance alerts & scheduling
🟢 Enhanced Counterweight	Better stability during heavy lifting
🟢 Reinforced Boom & Arm	High-strength steel for durability in tough conditions
🟢 Centralized Greasing	Easy daily maintenance

🔩 8. Available Attachments

The DH150LC-7 is highly versatile with a wide range of attachment options:

Attachment	Application
🪣 Standard / Heavy-Duty Bucket	General digging
👍 Hydraulic Thumb	Grabbing pipes, logs, debris
🔨 Hydraulic Breaker (Hammer)	Rock breaking, demolition
🦷 Hydraulic Grapple	Scrap handling, sorting
🔩 Ripper (Single Shank)	Hard ground, frozen soil
🪵 Hydraulic Shear / Crusher	Demolition, scrap processing
🪛 Auger / Drill	Foundation piling
🌿 Rake / Clamp	Landscaping, material handling
🧊 Hydraulic Quick Coupler	Fast attachment changeover

🏗️ 9. Typical Applications

Sector	Use Cases
🏗️ General Construction	Excavation, foundation work, trenching
🛣️ Road Building	Grading, pipe laying, shoulder work
🛢️ Pipeline	Trenching, backfilling
🌿 Landscaping	Grading, planting, drainage
🧱 Demolition	With hydraulic breaker or shear
⛏️ Light Mining / Quarrying	With breaker or ripper
🏭 Industrial	Material handling, loading

📊 10. Comparison with Competitors (~15-ton Class)

Feature	Doosan DH150LC-7	CAT 315	Komatsu PC150-8	Hyundai R150LC-7
Engine Power	110–113 hp	116 hp	115 hp	110 hp
Operating Weight	~15,000 kg	~15,200 kg	~14,900 kg	~14,800 kg
Fuel Tank	340 L	340 L	340 L	320 L
Cab Comfort	⭐⭐⭐⭐⭐	⭐⭐⭐⭐	⭐⭐⭐⭐	⭐⭐⭐⭐
Fuel Efficiency	⭐⭐⭐⭐⭐	⭐⭐⭐⭐	⭐⭐⭐⭐	⭐⭐⭐⭐
Resale Value	⭐⭐⭐⭐	⭐⭐⭐⭐⭐	⭐⭐⭐⭐⭐	⭐⭐⭐⭐

✅ 11. Pros & Cons Summary

✅ Pros	❌ Cons
Excellent fuel efficiency (EPOS system)	Older model — may be hard to find new
Very comfortable, quiet cab	Tier 4 engine requires DEF/AdBlue
Strong resale value in many markets	Slightly lower power vs CAT 315
Low maintenance costs	Parts availability varies by region
doosanCONNECT telematics ready	Some operators prefer Komatsu/CAT brand
Excellent hydraulic performance
Wide attachment compatibility

🎯 12. Verdict

The Doosan DH150LC-7 is widely regarded as one of the best 15-ton excavators of its generation — offering an excellent balance of power, fuel efficiency, operator comfort, and durability. It remains a popular choice in the used equipment market due to its reliability and Doosan's strong dealer network worldwide.

If you're looking at buying one used, it's a solid, proven machine that holds its value well and is easy to maintain.

Would you like more specific details — such as pricing, parts availability, or comparison with a specific competitor? 🚜

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Used Doosan DH150LC-7Excavator

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Used Doosan DH150LC-7Excavator

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We guarantee the quality of each machine and promise
to offer you the most favorable price.