Used Komatsu 130-7Excavator

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The Komatsu PC130LC-7 (also known as PC130-7) is a 13-ton class hydraulic excavator belonging to Komatsu's LC-7 series (7th generation), produced approximately from 2003 to 2007. It is one of the most popular mid-size excavators in the world, widely used in general construction, road building, landscaping, and utility work.

📋 1. GENERAL OVERVIEW

Item	Detail
Manufacturer	Komatsu Ltd. (Japan) 🇯🇵
Model	PC130LC-7 (Crawler) / WA130-7 (Wheel)
Series	LC-7 (7th Generation)
Class	13-ton (Medium-sized)
Production Years	~2003 – 2007
Successor	PC130LC-8
Primary Markets	Construction, mining support, utility, landscaping

& 2. ENGINE SPECIFICATIONS

Parameter	Value
Engine Model	Komatsu SAA6D107E-3
Type	6-cylinder, inline, turbocharged & intercooled diesel
Displacement	6.69 Liters
Rated Power	98 HP (73 kW) @ 2,000 rpm
Max Torque	384 N·m (283 lb-ft) @ 1,400 rpm
Emission Standard	EPA Tier 2 / EU Stage II
Fuel Tank Capacity	~300 Liters (79.3 US gal)
Cooling System	Water-cooled with radiator

✅ The SAA6D107E-3 engine is known for its reliability, fuel efficiency, and low maintenance costs.

📐 3. DIMENSIONS & WEIGHT

Parameter	Value
Operating Weight	~13,300 kg (29,320 lbs)
Transport Weight	~13,100 kg (28,880 lbs)
Overall Length (w/o bucket)	~7,820 mm (25.7 ft)
Overall Width (tracks)	~2,550 mm (8.4 ft)
Overall Height (to cab top)	~2,940 mm (9.6 ft)
Ground Clearance	~440 mm (17.3 in)
Track Width	500 / 600 / 700 mm (adjustable)
Track Shoe Width	600 mm (23.6 in)
Ground Pressure	~42 kPa (6.1 psi)
Tail Swing Radius	~2,490 mm (8.2 ft)

🪣 4. WORKING RANGE & PERFORMANCE

Parameter	Value
Max Digging Depth	~6,840 mm (22.4 ft)
Max Reach (Ground Level)	~8,750 mm (28.7 ft)
Max Dumping Height	~7,150 mm (23.5 ft)
Max Digging Radius	~8,650 mm (28.4 ft)
Bucket Capacity (Standard)	0.45 – 0.60 m³ (0.59 – 0.78 yd³)
Bucket Breakout Force	~82 kN (18,400 lbf)
Arm Crowd Force	~62 kN (13,900 lbf)
Swing Speed	~10 rpm
Travel Speed	3.5 / 5.5 km/h (Low / High)
Gradeability	70% (35°)
Max Trench Depth	~5,500 mm (18 ft)

🔧 5. HYDRAULIC SYSTEM

Feature	Detail
System Type	KPCS (Komatsu Power Control System) — Load-sensing, variable displacement pump
Pump Type	Dual variable displacement piston pump
Max System Pressure	34.3 MPa (4,975 psi)
Hydraulic Flow	2 × 155 L/min (41 US gpm)
Auxiliary Flow	~30 L/min (8 US gpm) — for attachments (hammer, auger, etc.)
Attachment Options	Bucket, hydraulic breaker, hydraulic hammer, auger, grapple, ripper, thumb, quick coupler

✅ The KPCS system provides smooth operation, precise control, and excellent fuel efficiency by matching hydraulic output to demand.

🖥️ 6. OPERATOR CAB & COMFORT

Feature	Detail
Cab Type	ROPS/FOPS certified, fully enclosed
Air Conditioning	✅ Standard
Heater	✅ Standard
Seat	Suspension seat with armrest, adjustable
Display	LCD monitor — shows engine info, maintenance alerts, fuel consumption, working hours
Controls	Pilot-operated joysticks with finger-tip controls
Noise Level	~72 dB(A) (relatively quiet for its class)
Visibility	Excellent all-around visibility with large glass area
Storage	Glove box, cup holders, phone holder

🧠 7. SMART TECHNOLOGIES & ECO FEATURES

Technology	Description
📡 KOMTRAX	GPS telematics system — remote monitoring of location, fuel usage, engine hours, maintenance alerts
🌱 ECO Mode	Reduces engine RPM during light work → saves up to 10-15% fuel
🔄 Auto Idle Shutdown	Engine automatically shuts off after 5 min of idling → saves fuel & reduces emissions
📉 Auto Deceleration	Engine speed automatically reduces when not working → fuel saving
🔧 Self-diagnosis	LCD shows fault codes for easy troubleshooting
📊 Maintenance Minder	Tracks oil change intervals, filter life, greasing points

🛠️ 8. MAINTENANCE & SERVICEABILITY

Item	Interval (Approx.)
Engine Oil Change	Every 500 hours
Hydraulic Oil Change	Every 2,000 hours
Fuel Filter	Every 500 hours
Air Filter	Every 1,000 hours
Grease Points	~15 points (daily check recommended)
Track Adjustment	Manual (center push type)
Ground-Level Service	Many components accessible from ground level

✅ Designed for easy maintenance — side panels open widely, filters are easily accessible, and daily checks are simple.

🎯 9. APPLICATIONS

Application	Details
🏗️ General Construction	Foundation, trench, embankment work
🛣️ Road Construction	Grading, ditch cleaning, pipe laying
🌳 Landscaping	Tree planting, grading, drainage
⚡ Utility Work	Water/sewer/gas pipeline installation
🏔️ Mining Support	Light mining, quarry work
🧹 Demolition	With hydraulic breaker attachment
🪨 Material Handling	With grapple or magnet attachment
❄️ Snow Removal	With snow blade attachment

& 10. ADVANTAGES & DISADVANTAGES

✅ Advantages	❌ Disadvantages
Excellent fuel efficiency (ECO mode)	Older model (discontinued, replaced by -8)
Reliable SAA6D107E engine	Lower horsepower than newer competitors
Comfortable, quiet cab	Not as technologically advanced as -8/-11 series
Wide range of attachments available	Parts availability may be harder for older units
Strong resale value worldwide	Lower max digging depth vs. 15-ton class
KOMTRAX telematics	No auto-lubrication system (on some units)
Easy maintenance & serviceability
Proven track record — millions sold globally

📊 11. COMPARISON WITH COMPETITORS

Model	Weight	Power	Bucket	Max Dig Depth
Komatsu PC130LC-7	13,300 kg	98 HP	0.45-0.60 m³	6.84 m
CAT 313F L	13,240 kg	97 HP	0.45-0.55 m³	6.65 m
Hitachi ZX135US-5	13,400 kg	99 HP	0.42-0.55 m³	6.70 m
Volvo EC140B	14,000 kg	100 HP	0.40-0.55 m³	6.80 m
Doosan DX140LC-7	13,800 kg	102 HP	0.45-0.58 m³	6.85 m

🏆 The PC130LC-7 is competitive in fuel economy and operator comfort, making it a favorite among rental companies and contractors.

💰 12. MARKET PRICE (Estimated, Used 2024)

Condition	Price Range (USD)
Good Condition (5,000-8,000 hrs)	$35,000 – $55,000
Fair Condition (8,000-12,000 hrs)	$25,000 – $35,000
Excellent / Low Hours (<5,000 hrs)	$55,000 – $70,000+

Prices vary by region, condition, attachments, and market demand.

🏅 13. SUMMARY

Category	Rating (out of 5)
💪 Power & Performance	⭐⭐⭐⭐
& Efficiency	⭐⭐⭐⭐⭐
🪑 Operator Comfort	⭐⭐⭐⭐⭐
🔧 Reliability	⭐⭐⭐⭐⭐
🛠️ Maintenance Ease	⭐⭐⭐⭐⭐
📡 Technology	⭐⭐⭐⭐
💰 Value for Money	⭐⭐⭐⭐⭐

🔑 KEY TAKEAWAY

The Komatsu PC130LC-7 is a legendary mid-size excavator known for its fuel efficiency, operator comfort, rock-solid reliability, and low operating costs. It has sold hundreds of thousands of units worldwide and remains one of the most sought-after used excavators in the market today. Whether you're a contractor, rental company, or owner-operator, the PC130-7 delivers outstanding value and performance in the 13-ton class. 💪🏗️

Would you like me to go deeper into any specific area — such as attachment compatibility, troubleshooting, or comparison with the PC130LC-8? 😊