Used Komatsu 270 Excavator

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Detailed Introduction to Komatsu PC270 Crawler Excavator

The Komatsu 270 usually refers to the Komatsu PC270 series mid-sized heavy-duty crawler excavator, a core product developed by Japan-based Komatsu Ltd., a global leading manufacturer of construction and mining equipment. Positioned in the 26-28 ton weight class, it balances strong load capacity, high fuel efficiency, and operational flexibility, making it one of the best-selling models in its segment for infrastructure, mining, and municipal construction scenarios worldwide. The latest PC270-11 version complies with EU Stage V, US Tier 4 Final, and China National IV emission standards, further optimizing environmental performance and operating experience.

1. Core Specifications (Standard Configuration)

Parameter	Detail
Operating Weight	26,800 – 27,900 kg
Engine Model	Komatsu SAA6D107E-5 turbocharged, intercooled diesel engine
Rated Net Power	147 kW / 197 HP @ 2000 rpm
Standard Bucket Capacity	1.3 – 1.6 m³ (optional 0.4-2.1 m³ buckets for different scenarios)
Max Digging Depth	6,920 mm (up to 9,200 mm for optional long arm configuration)
Max Horizontal Digging Reach	10,120 mm
Max Dumping Height	7,110 mm
Travel Speed	3.2 km/h (low) / 5.5 km/h (high)
Gradeability	70% (35°)
Swing Speed	11 rpm

2. Power & Hydraulic Performance

Power System

The excavator is equipped with Komatsu’s independently developed low-emission engine, adopting high-pressure common rail fuel injection technology, exhaust gas recirculation (EGR), diesel particulate filter (DPF), and selective catalytic reduction (SCR) systems. Compared with the previous generation PC270-8, it reduces fuel consumption by 12-15% under the same working load, and cuts NOx emissions by more than 80%, meeting the strictest global emission requirements.

Hydraulic System

It adopts Komatsu’s patented HydrauMind closed-center load-sensing hydraulic system, with boom and arm regeneration functions, which ensures smooth and precise coordination of composite actions (such as simultaneous boom lifting and arm swinging). Operators can switch between 3 working modes according to scenarios:

P (Power) mode: for heavy-duty digging and loading
E (Economy) mode: for light and medium load operations to reduce fuel consumption
L (Fine) mode: for high-precision operations such as ground leveling and pipeline layingIt also supports optional quick couplers, which can replace attachments (breaker, log grapple, ripper, etc.) within 3 minutes, greatly improving work efficiency.

3. Operator Comfort

The PC270 is equipped with a ROPS/FOPS certified ultra-quiet cab:

The internal noise level is as low as 72 dB(A), with a fully sealed design and high-efficiency air filtration system to block dust and exhaust from entering the cab.
Multi-adjustable air suspension seat with lumbar support, matched with viscous cab shock mounts, reduces vibration by more than 20% during operation, avoiding fatigue after long hours of work.
Low-effort pilot control joysticks, full-automatic constant temperature air conditioning, multiple storage compartments, USB charging ports, and Bluetooth audio system are standard configured.
A 7-inch high-definition color LCD monitor displays real-time equipment status, fuel consumption, maintenance reminders, and fault codes clearly.

4. Safety Features

Standard rear-view camera, optional 360° surround view monitoring system, eliminating operating blind spots.
Travel alarm system, which automatically emits warning beeps when moving forward or reversing to remind surrounding personnel.
Hydraulic safety lock lever, which cuts off all hydraulic actions when lifted, effectively preventing misoperation.
Emergency descent function: even if the engine stops unexpectedly, the boom and arm can be lowered safely to avoid danger.
Multiple high-brightness LED working lights, providing sufficient lighting for night operation.

5. Durability & Maintenance

The boom, arm, and undercarriage frame are made of high-strength wear-resistant steel, with stress relief treatment after welding, which greatly improves the resistance to deformation and cracking, and the service life of structural parts is increased by 30% compared with peer products.
Sealed and lubricated track rollers, idlers, and track links, with 5000-hour service life under normal working conditions.
All maintenance points are arranged in ground-accessible positions, making it easy to replace engine oil, filters, and hydraulic oil without climbing the body.
Standard equipped with Komatsu KOMTRAX remote monitoring system, which supports real-time viewing of equipment location, working hours, fuel consumption, and fault warnings via mobile phones or web terminals, helping operators arrange maintenance in advance and reduce downtime.
Long maintenance intervals: engine oil replacement every 500 hours, hydraulic oil replacement every 5000 hours, greatly reducing operating costs.

6. Main Application Scenarios

Urban infrastructure: road construction, bridge building, underground pipeline laying, foundation digging
Mining and quarrying: surface stripping, ore loading, crushing operations
Water conservancy projects: river dredging, reservoir construction, embankment leveling
Demolition and waste treatment: small and medium-sized building demolition, construction waste sorting and loading
Forestry and agriculture: forest land clearing, land reclamation, farmland water conservancy construction

The Komatsu PC270 is widely praised by global contractors for its low failure rate, low operating cost, and high residual value, and is one of the most recommended models in the 25-30 ton excavator market.

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Used Komatsu 270 Excavator

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