Used Kobelco SK350Excavator

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🏢 Manufacturer Overview

Item	Detail
Manufacturer	Kobelco Construction Machinery Co., Ltd.
Parent Company	Kobe Steel, Ltd. (Japan)
Origin	Japan
Production	Ongoing (multiple generations)
Class	Large / Heavy-Duty Hydraulic Excavator (30–40 ton class)

Kobelco (神戸製鋼) is one of the world's top construction machinery manufacturers, known for reliability, fuel efficiency, precision, and operator comfort. The SK350 is one of their flagship models in the 35-ton class.

📋 Main Variants

Model	Engine Power	Notes
SK350LC	~194 kW (260 hp)	Standard version
SK350LC-10	~239 kW (320 hp)	Upgraded, higher performance
SK350LC-10E	~239 kW (320 hp)	Enhanced version with improved electronics
SK350NLC / SK350UR	Varies	Narrow / Ultra-Reduced Tail Swing variants

The "-10" suffix indicates the more powerful engine (Isuzu AH-6HK1XQA), while the base LC uses the AH-6HK1X.

🔧 Technical Specifications (SK350LC-10)

Parameter	Specification
Operating Weight	~34,200 – 35,000 kg (75,400 – 77,160 lbs)
Engine	Isuzu AH-6HK1XQA
Engine Type	6-cylinder, inline, turbocharged, intercooled diesel
Displacement	7.79 L
Rated Power	239 kW (320 hp) @ 2,000 rpm
Max Torque	~1,225 Nm @ 1,400 rpm
Emission Standard	Tier 4 Final / Stage V (depending on region)
Fuel Tank Capacity	~550 L (145 US gal)
Hydraulic Pump	2 × Variable displacement axial piston (Kawasaki / Kobelco)
Max Pump Flow	2 × 275 L/min (total ~550 L/min)
System Pressure	34.3 MPa (5,000 psi)

📐 Dimensions

Parameter	Specification
Overall Length (w/ bucket)	~11,250 mm (36.9 ft)
Overall Width	~3,190 mm (10.5 ft)
Overall Height (to cab top)	~3,190 mm (10.5 ft)
Ground Clearance	~460 mm (18.1 in)
Track Width	600 mm (23.6 in)
Track Length (ground contact)	~3,990 mm (13.1 ft)
Tail Swing Radius	~2,980 mm (9.8 ft) — standard; ~1,850 mm for UR model

& Working Range & Performance

Parameter	Specification
Max Digging Depth	~7,480 mm (24.5 ft)
Max Digging Reach	~10,970 mm (36.0 ft)
Max Dumping Height	~7,650 mm (25.1 ft)
Max Digging Height	~10,380 mm (34.1 ft)
Max Vertical Wall Digging	~6,780 mm (22.2 ft)
Bucket Capacity (Standard)	1.2 – 1.8 m³ (1.6 – 2.4 cu yd)
Bucket Breakout Force	~182 kN (40,900 lbf)
Arm Breakout Force	~133 kN (29,900 lbf)
Travel Speed (Hi/Lo)	5.5 / 3.6 km/h (3.4 / 2.2 mph)
Gradeability	70% (35°)
Max Towing Speed	~12 km/h (7.5 mph)

🏗️ Undercarriage

Component	Specification
Track Shoe Width	600 mm
Number of Rollers (per side)	3 (upper) + 3 (lower) = 6 total
Number of Carrier Rollers	1 per side
Sprocket	Rear-drive, gear-type
Idler	Front, hydraulic tensioning
Ground Pressure	~58 kPa (8.4 psi)

🖥️ Technology & Features

🔹 KOBELCO Intelligent Machine Control (K-iMC)

GPS/GNSS-based 3D machine guidance
Automated boom, arm, and bucket control
Allows unmanned/semi-autonomous operation
Increases productivity by 20–30% and reduces operator fatigue

🔹 KOBELCO Eco Mode

Automatically optimizes engine speed & hydraulic flow
Fuel savings of up to 10–15% compared to conventional operation

🔹 Smart Sensor System

Monitors engine load, hydraulic pressure, and temperature in real-time
Prevents overload and protects components

🔹 Advanced Cab

Feature	Detail
ROPS/FOPS Certified	Yes
Air-conditioned cab	Standard
Suspension seat	Air-suspended, heated
LCD Monitor	10-inch multi-function display
Joystick Control	Electro-hydraulic, proportional
Sound insulation	≤ 69 dB(A)
Camera system	Rear-view + side-view (optional)

💪 Key Strengths

Strength	Description
✅ Fuel Efficiency	One of the best in class; K-iMC + Eco mode save significant fuel
✅ Reliability	Kobelco's reputation for durability; long service intervals
✅ Precision	Excellent fine-digging capability; popular for finishing work
✅ Operator Comfort	Low noise, low vibration, spacious cab
✅ Resale Value	High residual value globally
✅ Parts Availability	Strong global dealer/parts network
✅ Versatility	Available with multiple attachments (crusher, shear, grapple, etc.)

🌐 Typical Applications

Application	Details
🏗️ Heavy Excavation	Foundation, trenching, large-scale earthmoving
🪨 Mining & Quarrying	Rock breaking with hydraulic breaker/crusher
🏗️ Infrastructure	Road construction, bridge work, pipeline laying
🏢 Demolition	With hydraulic shear or crusher attachment
🌲 Forestry	With grapple attachment
🌊 Dredging	With long-reach or amphibious setup
🏭 Industrial	Loading, material handling in steel mills, ports

📊 Comparison with Competitors

Feature	Kobelco SK350LC-10	CAT 336	Komatsu PC350-11	Hitachi ZX350-6
Power	320 hp (239 kW)	354 hp (264 kW)	330 hp (246 kW)	326 hp (243 kW)
Weight	~35,000 kg	~35,600 kg	~34,500 kg	~34,800 kg
Fuel Efficiency	⭐⭐⭐⭐⭐	⭐⭐⭐⭐	⭐⭐⭐⭐	⭐⭐⭐⭐
Technology	K-iMC (leading)	Cat Grade/Guidance	Komtrax + IMC	SiteControl
Operator Comfort	⭐⭐⭐⭐⭐	⭐⭐⭐⭐	⭐⭐⭐⭐	⭐⭐⭐⭐
Price (approx.)	$$$	$$$$	$$$	$$$

🔧 Maintenance Intervals

Item	Interval
Engine Oil Change	500 hrs / 6 months
Hydraulic Oil Change	2,000 hrs / 12 months
Final Drive Oil	4,000 hrs
Track Tension Check	Every 250 hrs
Air Filter	500 hrs
Fuel Filter	500 hrs
Grease (pins/bushings)	Every 8 hrs (daily)

💰 Approximate Pricing (2024, varies by region)

Condition	Price Range (USD)
New	$280,000 – $350,000
Used (2,000–5,000 hrs)	$120,000 – $200,000
Used (5,000–10,000 hrs)	$80,000 – $130,000

🏁 Summary

The Kobelco SK350LC-10 is a premium, fuel-efficient, technologically advanced 35-ton excavator. It excels in precision work, heavy-duty excavation, and operator comfort. With Kobelco's K-iMC guidance system and Eco mode, it offers industry-leading productivity and lowest operating costs in its class. It is an excellent choice for contractors who prioritize efficiency, reliability, and resale value.

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