Used Komatsu 220-8Excavator

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📌 1. OVERVIEW

Item	Details
Manufacturer	Komatsu Ltd. (Japan)
Model	PC220-8
Class	Medium-sized (20–22 ton class)
Predecessor	PC220-7
Launch Year	~2013–2014
Primary Use	General construction, mining, road building, land clearing

The PC220-8 is Komatsu's Tier 4 Final / Stage IIIB compliant excavator, representing a significant leap in fuel efficiency, emissions reduction, and operator comfort over its predecessor (PC220-7).

🔧 2. ENGINE SPECIFICATIONS

Parameter	Specification
Engine Model	Komatsu SAA6D107E-5
Type	6-cylinder, inline, turbocharged & aftercooled diesel
Displacement	6.69 liters (6,690 cc)
Rated Power	118 kW (158 hp) @ 2,000 rpm
Max Torque	618 N·m (456 lb-ft) @ 1,400 rpm
Emission Standard	EPA Tier 4 Final / EU Stage IIIB
Aftertreatment	DPF (Diesel Particulate Filter) + SCR (Selective Catalytic Reduction) with DEF (Diesel Exhaust Fluid)
Fuel Tank Capacity	~400 liters (105.7 US gal)

✅ ~10–15% better fuel efficiency than the PC220-7

🛢️ 3. HYDRAULIC SYSTEM

Parameter	Specification
Main Pump Type	Variable displacement axial piston pump (×2)
Total Pump Flow	2 × 246 L/min (~65 gal/min each)
System Pressure	34.3 MPa (5,000 psi)
Swing System	Variable displacement piston motor
Swing Speed	~9.5 rpm
Travel Motors	Variable displacement piston motor (×2)

📐 4. OPERATING DIMENSIONS & PERFORMANCE

Parameter	Value
Operating Weight	21,500 – 22,700 kg (47,400 – 50,045 lbs) (varies by config)
Bucket Capacity	0.8 – 1.1 m³ (1.0 – 1.4 cu yd) (standard)
Max Digging Depth	7,420 mm (24 ft 4 in)
Max Reach (Ground Level)	9,890 mm (32 ft 5 in)
Max Digging Height	9,680 mm (31 ft 9 in)
Max Dump Height	6,830 mm (22 ft 5 in)
Max Vertical Wall Dig	~6,320 mm (20 ft 9 in)
Track Width	600 mm (23.6 in) – standard shoes
Ground Pressure	~45 kPa (6.5 psi)
Blade Capacity	Available (dozer blade option)

🖥️ 5. CAB & OPERATOR COMFORT

The PC220-8 features Komatsu's next-generation cab design:

Feature	Details
ROPS/FOPS	Certified rollover & falling object protection
Suspension Seat	Full air-suspension seat with armrests
Climate Control	Auto A/C with heater
Noise Level	~68 dB(A) – significantly quieter than -7
Display	7-inch full-color LCD multi-monitor
Controls	Electronic joystick with auto-return
Camera	Rear view camera (standard) + side cameras (optional)
KOMTRAX	Remote machine monitoring & telematics (standard)

🧠 6. INTELLIGENT MACHINE CONTROL (iMC) – OPTIONAL

System	Function
2D/3D GPS Grade Control	Automatic boom, arm, bucket positioning
Laser Grade Control	Real-time grading accuracy
Auto-Idle	Engine auto-shuts off during inactivity
Auto Engine Speed Control	Optimizes RPM for load conditions
Work Mode Selector	POWER / ECO / LIFTING modes
Bucket Auto Return	Automatic return to dig position

🎯 This makes the PC220-8 ideal for precision grading and mass excavation

🔄 7. WORK MODE SYSTEM

Mode	Description
⚡ POWER Mode	Full engine power for heavy digging
🌿 ECO Mode	Reduced fuel consumption (~10–15% savings)
🏋️ LIFTING Mode	Optimized hydraulic flow for heavy lifting tasks

🔩 8. MAINTENANCE & SERVICEABILITY

Feature	Benefit
Ground-level service points	Easy daily checks
Extended service intervals	Engine oil: 500 hrs / Hydraulic oil: 4,000 hrs
Centralized grease points	Quick lubrication
Large side doors	Easy access to engine & hydraulic components
Komatsu CareTM	Extended warranty & support packages available

📊 9. COMPARISON: PC220-8 vs PC220-7

Feature	PC220-7	PC220-8
Engine	SAA6D107E-1	SAA6D107E-5
Power	122 kW (164 hp)	118 kW (158 hp)
Emission	Tier 3 / Stage IIIA	Tier 4 Final / Stage IIIB
Fuel Efficiency	Baseline	~15% better
Noise Level	~72 dB	~68 dB
Weight	~22,100 kg	~21,500–22,700 kg
iMC System	Not available	Available
Cab Comfort	Good	Significantly improved

🏗️ 10. APPLICATIONS

Sector	Use Cases
🏗️ Construction	Excavation, foundation work, trenching
🛣️ Road Building	Grading, pipe laying, drainage
⛏️ Mining & Quarrying	Loading trucks, bench excavation
🌳 Land Clearing	Tree removal, brush cutting
🏭 Demolition	With hydraulic breaker/crusher attachments
🌊 Dredging	With long reach arm

✅ SUMMARY – WHY CHOOSE PC220-8?

✅ Strength	Description
💰 Fuel Efficient	~15% less fuel than -7
🌍 Eco-Friendly	Tier 4 Final – lowest emissions in class
🪑 Comfortable	Quiet, spacious, air-conditioned cab
🤖 Smart	iMC ready for precision work
🔧 Easy to Maintain	Long service intervals, ground-level access
📡 Connected	KOMTRAX telematics standard

🏆 The Komatsu PC220-8 is widely regarded as one of the best 20-ton class excavators on the market — balancing power, efficiency, technology, and operator comfort in a highly competitive package.

Would you like me to go deeper into any specific area — like attachments, pricing, or comparison with CAT 320 or Hitachi ZX220? 😊