Used Komatsu 350-8Excavator

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📋 OVERVIEW

The Komatsu PC350-8 is a 35-ton class hydraulic excavator introduced around 2012–2013 as part of Komatsu's -8 generation (replacing the PC350-7). It is designed for heavy-duty construction, mining, and quarrying applications. The -8 series brought significant improvements in fuel efficiency, operator comfort, and environmental compliance.

🔧 ENGINE & POWER

Specification	Details
Engine Model	Komatsu SAA6D114E-5 / SAA6D114E-3
Type	6-cylinder, turbocharged, aftercooled diesel
Displacement	11.43 L (697 cu in)
Rated Power	194 kW (260 hp) @ 1,800 rpm
Emission Standard	EPA Tier 4 Final / EU Stage IV (ACERT technology)
Fuel System	Common Rail Direct Injection (CRDI)
Fuel Tank Capacity	~500 L (132 US gal)

✅ The engine features electronically controlled fuel injection for optimized combustion, reducing fuel consumption by ~10% compared to the -7 series.

📐 DIMENSIONS & WEIGHT

Specification	Details
Operating Weight	33,000 – 36,000 kg (72,750 – 79,370 lbs)
Transport Length	11,130 mm (36 ft 6 in)
Transport Width	3,190 mm (10 ft 6 in)
Transport Height	3,270 mm (10 ft 9 in)
Ground Clearance	460 mm (18 in)
Track Gauge	2,590 mm (8 ft 6 in)
Track Shoe Width	600 mm (24 in) — Triple grouser option available

🏗️ PERFORMANCE / WORKING RANGE

Specification	Details
Max Digging Depth	7,050 – 7,250 mm (23 ft 2 in – 23 ft 9 in)
Max Digging Reach	10,000 – 10,300 mm (32 ft 10 in – 33 ft 10 in)
Max Digging Height	9,650 – 9,800 mm (31 ft 8 in – 32 ft 2 in)
Max Dump Height	6,850 – 7,050 mm (22 ft 6 in – 23 ft 2 in)
Max Vertical Wall Dig	5,450 – 5,650 mm (17 ft 11 in – 18 ft 6 in)
Bucket Capacity (Standard)	1.0 – 1.8 m³ (1.3 – 2.4 cu yd)
Bucket Capacity (Heavy Duty)	up to 2.0 m³ (2.6 cu yd)
Max Breakout Force	~165 kN (37,100 lbf)
Swing Speed	8.0 rpm
Swing Torque	Reduced swing option available

🎛️ HYDRAULIC SYSTEM

Feature	Details
Pump Type	Variable displacement axial piston pump (2 pumps)
System Pressure	34.3 MPa (4,975 psi)
Flow Rate	2 × 280 L/min (total ~560 L/min)
Control System	ECOS (Electronically Controlled Operational System) — Full electro-hydraulic
Attachment Options	Hydraulic quick coupler, shear, grapple, hammer, ripper

🔑 The ECOS system allows precise control of boom, arm, bucket, swing, and travel — improving productivity and reducing operator fatigue.

🪑 CAB & OPERATOR COMFORT

The -8 series cab was a major upgrade from the -7:

Feature	Details
Cab Type	ROPS/FOPS certified, pressurized & filtered
Noise Level	~68 dB(A) (significantly quieter)
Air Conditioning	Full auto climate control
Seat	Air-suspended, heated, fully adjustable
Display	7-inch color LCD monitor with KOMTRAX
Controls	Joystick-type with multiple pattern selections
Vision	Improved all-around visibility, large windows
Storage	Ample storage compartments

📡 TECHNOLOGY & SMART FEATURES

Technology	Description
KOMTRAX	GPS-based telematics — real-time machine monitoring, fuel tracking, maintenance alerts
ECO Mode	Automatically reduces engine speed during idle to save fuel
Auto Idle Shutdown	Engine auto-stops after preset idle time
Auto Swing Stop	Reduces swing at end of stroke for faster cycle times
Weigh System	Optional onboard weighing for precise loading
Auto Blade / 3D Ready	GPS-ready for machine guidance systems

🔄 UNDERCARRIAGE

Component	Details
Track Frame	Heavy-duty welded steel, X-frame design
Rollers	9 per side (upper & lower)
Carrier Rollers	2 per side
Sprocket	Segmented, replaceable teeth
Track Shoes	600 mm wide, 600 mm pitch
Shoe Options	Single grouser / Double grouser / Triple grouser
Lifetime	~3,000 – 5,000 hours (depending on conditions)

&UEL EFFICIENCY

Comparison	Fuel Savings
vs PC350-7 (-7 series)	~10% less fuel consumption
vs PC350LC-8 (long reach)	Similar, slightly less due to shorter boom
Typical Consumption	~25–35 L/hr (6.6–9.2 US gal/hr) depending on workload

🛠️ MAINTENANCE

Item	Interval
Engine Oil Change	500 hrs / 6 months
Hydraulic Oil Change	2,000 hrs
Fuel Filters	500 hrs
Air Filters	1,000 hrs
Track Tension Check	250 hrs
Grease Points	50 hrs (auto-lube system available)

✅ Komatsu designed the -8 series for easy maintenance access — ground-level service points, wide-open engine hood, and centralized greasing.

📊 COMPARISON: PC350-8 vs PC350-7

Feature	PC350-7	PC350-8	Improvement
Engine Power	194 kW (260 hp)	194 kW (260 hp)	Same
Fuel Efficiency	Baseline	~10% better	✅
Cab Comfort	Good	Excellent	✅✅
Emissions	Tier 3	Tier 4 Final	✅✅
Technology	Basic	KOMTRAX, ECO, Auto-idle	✅✅
Noise Level	~72 dB	~68 dB	✅
Resale Value	Lower	Higher	✅

💰 MARKET PRICE (Approximate, 2024)

Condition	Price Range (USD)
New	$280,000 – $350,000
Used (2013–2016, 5,000–8,000 hrs)	$120,000 – $180,000
Used (2017+, 8,000–12,000 hrs)	$160,000 – $230,000
Rental (daily)	$1,200 – $1,800/day

(Prices vary by region, condition, and configuration)

✅ KEY STRENGTHS

✅ Strength	Description
💪 Powerful & Reliable	260 hp, proven SAA6D114E engine
&Fuel Efficient**	~10% savings vs predecessor
🪑 Operator Comfort	Best-in-class cab, low noise
📡 Smart Technology	KOMTRAX, ECO mode, auto-idle
🔧 Easy Maintenance	Ground-level access, long service intervals
🌍 Emissions Compliant	Tier 4 Final / Stage IV
📈 Strong Resale Value	High demand in used market

📈 APPLICATIONS

Application	Suitability
🏗️ General Excavation	⭐⭐⭐⭐⭐
⛏️ Mining & Quarrying	⭐⭐⭐⭐⭐
🪨 Demolition	⭐⭐⭐⭐
🛣️ Road Construction	⭐⭐⭐⭐⭐
🏗️ Pipeline & Trenching	⭐⭐⭐⭐
🌲 Land Clearing	⭐⭐⭐⭐
🏭 Material Handling	⭐⭐⭐⭐

🏁 SUMMARY

The Komatsu PC350-8 is one of the most popular mid-large excavators in the world. It strikes an excellent balance between raw power (260 hp), fuel efficiency, operator comfort, and cutting-edge technology. Whether you're digging foundations, loading trucks, or breaking rock — the PC350-8 delivers consistent, reliable performance with lower operating costs than its predecessor. It remains a top choice for contractors worldwide in 2024–2025.

Would you like me to go deeper into any specific area — such as attachment compatibility, hydraulic flow charts, or a comparison with CAT 336 / Volvo EC350E? 🚜