Used Komatsu 240-8Excavator

Reading: 16

📌 1. OVERVIEW

Item	Detail
Model	PC240LC-8 (LC = Long Counterweight)
Manufacturer	Komatsu Ltd. (Japan)
Series	LC-8 Series (launched ~2012)
Class	Medium-Large Hydraulic Excavator (~24-ton class)
Primary Use	General construction, earthmoving, mining, demolition, road building

The PC240LC-8 is the successor to the PC240LC-7 and represents Komatsu's 8th generation of hydraulic excavators. It was designed with improved fuel efficiency, operator comfort, and lower emissions (meeting Tier 3 / Stage IIIA standards).

📌 2. ENGINE SPECIFICATIONS

Parameter	Specification
Engine Model	Komatsu SAA6D107E-5
Type	6-cylinder, Turbocharged, Aftercooled Diesel
Displacement	10.74 L (655 cu in)
Rated Power	128 kW (172 hp) @ 1,900 rpm
Max Torque	~696 N·m (513 lb-ft) @ 1,300 rpm
Emission Standard	EPA Tier 3 / EU Stage IIIA (with DPF + SCR)
Fuel Tank Capacity	~400 L (105.7 US gal)
Coolant Capacity	~36 L (9.5 US gal)

⚡ The SAA6D107E-5 features Common Rail fuel injection for precise fuel delivery and better combustion efficiency.

📌 3. OPERATING WEIGHT & DIMENSIONS

Parameter	Metric	Imperial
Operating Weight	~24,000 – 24,500 kg	~52,910 – 54,010 lbs
Transport Length	~9,970 mm	32 ft 8 in
Transport Width	~2,990 mm	9 ft 10 in
Transport Height	~3,120 mm	10 ft 3 in
Ground Clearance	~460 mm	18 in
Track Gauge	~2,490 mm	8 ft 2 in
Track Shoe Width	600 mm	23.6 in
Track Length on Ground	~3,600 mm	11 ft 10 in

📌 4. HYDRAULIC SYSTEM

Parameter	Specification
Pump Type	Variable Displacement Axial Piston Pump × 2 (Main + Pilot)
Main Pump Flow	2 × 257 L/min (68 US gpm)
System Pressure	34.3 MPa (5,000 psi)
Swing System	Swing motor with brake
Swing Speed	~8.5 rpm
Swing Torque	~148 kN·m (109,000 lb-ft)

📌 5. DIGGING PERFORMANCE 🔨

Parameter	Metric	Imperial
Max Digging Depth	~7,200 mm	~23 ft 7 in
Max Digging Reach	~9,700 mm	~31 ft 10 in
Max Dumping Height	~7,100 mm	~23 ft 4 in
Max Dumping Reach	~6,600 mm	~21 ft 8 in
Max Vertical Wall Digging	~5,700 mm	~18 ft 8 in
Max Force (Bucket Cylinder)	~155 kN	~34,800 lbf
Max Force (Arm Cylinder)	~120 kN	~27,000 lbf
Max Force (Boom Cylinder)	~150 kN	~33,700 lbf

🪣 Bucket Capacity Range:

Bucket Type	Capacity (m³)	Capacity (cu yd)
Standard	0.9 – 1.0	1.2 – 1.3
Heavy Duty	1.0 – 1.2	1.3 – 1.6

📌 6. UNDERCARRIAGE & TRAVEL

Parameter	Specification
Travel Speed (High)	~5.0 km/h (3.1 mph)
Travel Speed (Low)	~3.2 km/h (2.0 mph)
Ground Pressure	~49 kPa (7.1 psi)
Max Gradient	70% (35°)
Max Step Height	~730 mm (28.7 in)
Max Trench Crossing	~2,500 mm (98 in)

📌 7. KEY FEATURES & TECHNOLOGY ✨

Feature	Description
🖥️ KOMTRAX	Remote machine monitoring & diagnostics via GPS
🔧 Auto Power Mode	Automatically optimizes engine power based on workload → saves up to 15% fuel
💺 Advanced Cab	ROPS/FOPS certified, air-suspension seat, climate control, low noise (~69 dB)
🎮 Large LCD Monitor	10.4-inch color display with rearview camera, 3D guidance ready
🧠 Eco Mode / Smart Mode	Operator can select fuel-saving or power modes
🔌 Electric Throttle	Smooth, responsive control
🛡️ Anti-Theft System	Engine immobilizer with PIN code
🔋 Electric Parking Brake	Auto-engages when controls are neutral
🧹 Easier Maintenance	Ground-level check points, centralized greasing system
📡 GPS Ready	Compatible with machine control systems (Topcon, Trimble, Leica) for 3D/2D grading

📌 8. FUEL EFFICIENCY &

Mode	Approx. Fuel Consumption
Normal Operation	~18 – 22 L/hr (4.8 – 5.8 US gal/hr)
Idle	~6 – 8 L/hr (1.6 – 2.1 US gal/hr)

🟢 Compared to the PC240LC-7, the LC-8 saves approximately 10–15% fuel thanks to the improved SAA6D107E-5 engine and intelligent hydraulic system.

📌 9. APPLICATIONS 🏗️

Sector	Usage
🏗️ General Construction	Excavation, trenching, backfilling
🛣️ Road Building	Grading, pipe laying, road base work
⛰️ Mining & Quarrying	Loading trucks, bench work
🏚️ Demolition	With hydraulic breaker or grapple
🌊 Dredging	With long reach arm (optional)
🌲 Landscaping	Grading, pond digging
🔧 Utility Work	Pipeline installation, cable trenching

📌 10. COMPARISON: PC240LC-8 vs PC240LC-7

Feature	PC240LC-7	PC240LC-8	Improvement
Engine Power	125 kW (168 hp)	128 kW (172 hp)	+3%
Fuel Efficiency	Baseline	~15% better	🟢🟢🟢
Operating Weight	~24,000 kg	~24,300 kg	Slightly heavier
Emissions	Tier 2	Tier 3 / Stage IIIA	🟢🟢🟢
Cab Comfort	Good	Excellent (air seat, larger monitor)	🟢🟢
Noise Level	~70 dB	~69 dB	Slightly quieter
KOMTRAX	Yes	Yes (enhanced)	🟢

📌 11. PRICE (Approximate — varies by region)

Region	Estimated Price (USD)
🇺🇸 USA	$180,000 – $220,000 (new)
🇪🇺 Europe	€170,000 – €210,000
🇨🇳 China	¥1,200,000 – ¥1,500,000
🌏 Southeast Asia	$160,000 – $200,000
🔄 Used (5,000–8,000 hrs)	$80,000 – $130,000

📌 12. SUMMARY ✅

✅ Pros	❌ Cons
Excellent fuel efficiency	Higher purchase price than LC-7
Powerful & reliable engine	Slightly heavier
Very comfortable cab	Requires DEF (AdBlue) for emissions
Strong digging force	Maintenance costs can be high
KOMTRAX telematics	Limited availability of parts in some regions
Good resale value

🎯 FINAL VERDICT

The Komatsu PC240LC-8 is one of the best-selling 24-ton class excavators worldwide. It strikes an excellent balance between power, efficiency, comfort, and durability. It's ideal for contractors who need a workhorse machine for demanding daily operations while keeping fuel costs under control. 🏆

Would you like more details on any specific aspect — attachments, maintenance schedule, or comparison with CAT 324 / Hitachi ZX240? 🚜