Used Komatsu 220-8 Excavator

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Komatsu PC220-8 Crawler Excavator Detailed Introduction

The Komatsu PC220-8 is a classic 20-ton class medium crawler excavator under Komatsu's -8 series product line, developed for high-efficiency, low-cost construction operations. It balances power output, fuel efficiency, durability and operation comfort, and is widely recognized as a benchmark model in its class, suitable for diverse working scenarios from civil construction to mining auxiliary works.

1. Core Specifications

Item	Parameter
Operating Weight	23,100 – 23,900 kg (50,927 – 52,691 lbs)
Engine Model	Komatsu SAA6D107E-1 turbocharged, intercooled 4-stroke diesel engine
Rated Net Power	125 kW (168 HP) @ 2,000 rpm
Emission Standard	EPA Tier 3 / EU Stage IIIA
Standard Bucket Capacity	1.0 m³ (1.31 cu yd), optional 0.8 – 1.4 m³ (1.04 – 1.83 cu yd)
Max. Digging Depth	6,920 mm (22 ft 8 in)
Max. Digging Radius	9,875 mm (32 ft 5 in)
Max. Dumping Height	6,510 mm (21 ft 4 in)
Swing Speed	12.4 rpm
Travel Speed	High: 5.5 km/h (3.4 mph); Low: 3.1 km/h (1.9 mph)
Gradeability	70% (35°)
Hydraulic System Working Pressure	35 MPa (5,076 psi)
Fuel Tank Capacity	400 L (105.7 gal)
Total Hydraulic System Capacity	246 L (65 gal)

2. Core Performance Advantages

Power & Fuel Efficiency

Equipped with Komatsu proprietary ECOT3 technology, including high-pressure common rail fuel injection system and cooled exhaust gas recirculation (EGR) system, reducing fuel consumption by 10%-15% compared with the previous generation PC220-7, with comprehensive working fuel consumption of only 15-22 L per hour.
3 selectable working modes to match different scenarios:
- Power (P) Mode: Full power output for heavy-load operations such as hard rock digging
- Economy (E) Mode: Optimized power curve for light and medium load works to cut fuel cost
- Attachment (A) Mode: Adjustable hydraulic flow for matching special attachments like breakers
Equipped with automatic idle and auto-shutdown functions, which reduce engine speed when the machine is idle for a short time, and shut down automatically after long-term idle, reducing unnecessary fuel waste and engine wear.

Hydraulic System

Adopts Komatsu CLSS (Closed-center Load Sensing System) with flow convergence and diversion technology, with extremely fast response speed and precise control performance. Composite actions (such as simultaneous digging and swinging) run smoothly without lag, which is suitable for both heavy digging and fine operations like ditching and grading.

3. Durability & Reliability

Reinforced boom and arm structure with thickened welding joints and high wear-resistant bushings, which can withstand long-term impact loads in quarry and mining scenarios.
Sealed and lubricated undercarriage components (track rollers, idlers, carrier rollers) extend service life by 30% compared with ordinary models, and the hydraulic track tensioning system effectively reduces track wear.
High-precision filtration system for fuel and hydraulic oil, extends the hydraulic oil replacement cycle to 5,000 hours, and engine oil replacement cycle to 500 hours, reducing maintenance costs and downtime.

4. Operator Comfort & Safety

The cab meets FOPS Level 2 (Falling Object Protective Structure) and ROPS Level 2 (Roll-over Protective Structure) certification, with sealed pressurized design, and the interior noise is controlled below 72 dB(A).
Fully adjustable air suspension seat with linked armrests, low-force pilot control joysticks, greatly reducing operator fatigue during long-term operation.
Multi-function LCD monitor supports multi-language display, real-time monitoring of fuel consumption, water temperature, hydraulic oil temperature, fault codes, and active maintenance reminder.
High-power air conditioning system with multiple air outlets, optional rear view camera, radio and USB interface, providing a comfortable working environment.

5. Maintenance & Management Convenience

All daily maintenance points are arranged at ground-accessible positions, no need to climb the upper frame to replace engine oil, filters and check fluid levels.
Equipped with Komatsu exclusive KOMTRAX remote monitoring system, which supports real-time viewing of equipment location, working hours, fuel consumption and fault alarms on mobile phones or computers, and has anti-theft function, which is very friendly for fleet management.

6. Application Scenarios

The PC220-8 can be matched with a variety of attachments (hydraulic breaker, log grab, ripper, hydraulic shear, auger, etc.), and is suitable for:

Earthwork excavation, site leveling, road construction
Municipal pipeline laying, urban renovation works
Quarry rock breaking, mining stripping works
Forestry logging, small-scale demolition works

It has extremely high residual value in the second-hand equipment market, and is the preferred model for both individual contractors and large engineering teams.

Non flooded

No accident

Original product

Used Komatsu 220-8 Excavator

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