Used Komatsu 110-7 Excavator

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Here is a detailed English introduction to the Komatsu PC110-7 hydraulic excavator.

Komatsu PC110-7 Hydraulic Excavator: A Comprehensive Overview

The Komatsu PC110-7 is a mid-sized hydraulic excavator that forms part of Komatsu’s globally acclaimed Dash-7 series. Renowned for its robust construction, advanced hydraulic technology, and operator-focused design, the PC110-7 strikes a highly productive balance between the compact flexibility of smaller machines and the raw digging power of larger excavators. It is a versatile workhorse ideally suited for general construction, utility work, landscaping, demolition, and material handling.

Key Specifications at a Glance

Operating Weight: Ranges from 11,540 kg to 12,350 kg (25,440 – 27,230 lbs), depending on configuration (cab/canopy, counterweight, shoe width).
Engine: Komatsu SAA4D95LE-5, a 3.26-liter, 4-cylinder, turbocharged, aftercooled, direct-injection diesel engine.
Net Power: 66 kW (88.5 HP) at 2,200 rpm.
Bucket Capacity: 0.35 – 0.45 m³ (0.46 – 0.59 yd³) heaped, depending on material density.
Maximum Digging Depth: 5,520 mm (18'1")
Maximum Reach Along Ground: 7,940 mm (26'1")
Maximum Dump Height: 5,620 mm (18'5")
Travel Speed (Low / Mid / High): 2.7 / 4.7 / 5.5 km/h (1.7 / 2.9 / 3.4 mph)
Tail Swing Radius: 2,070 mm (6'10")

Engine and Powertrain: Clean Power and Reliability

At the heart of the PC110-7 is the Komatsu SAA4D95LE-5 engine, an environmentally conscious powerplant that meets EPA Tier 2 and EU Stage II emission regulations without sacrificing performance. This 3.26-liter engine features a turbocharger and air-to-air aftercooler, delivering a potent 88.5 net horsepower with high torque at low rpm. The direct fuel injection system and precision combustion chamber design ensure complete fuel burn, resulting in low fuel consumption and reduced emissions. The engine’s high-pressure common-rail fuel injection system (on later iterations of this technology) guarantees smooth, quiet operation and crisp throttle response, while the heavy-duty cooling system with a viscous fan clutch maintains optimal temperatures even in demanding conditions.

Advanced Hydraulic System: The Komatsu CLSS Technology

The excavator’s exceptional performance is largely due to its sophisticated Closed-Center Load Sensing System (CLSS). This hydraulics package uses a variable-displacement piston pump that precisely delivers oil flow only when and where it is needed, based on the operator’s joystick inputs and the load on the attachment. The result is:

Smooth, fine control: Ideal for precision grading or lifting operations.
Combined operation harmony: The machine can effortlessly travel, lift the boom, and open the bucket simultaneously without a drop in speed or power.
High fuel efficiency: As the pump only works on demand, parasitic hydraulic losses are dramatically reduced, translating directly into lower fuel costs.

Working mode selections (Heavy, Standard, Light, Breaker) allow the operator to tailor the hydraulic flow and engine speed to the specific task, further optimizing fuel economy and controllability.

Durable Undercarriage and Structure

Built on a solid X-shaped frame, the PC110-7’s undercarriage is designed for long-term durability and stability. The robust track frame resists twisting and deformation under heavy loads. Sealed and lubricated track links, idlers, and carrier rollers minimize internal pin and bushing wear, dramatically extending the undercarriage’s service life and reducing daily greasing requirements. A choice of long or short undercarriage, and a variety of grouser shoe widths (typically 500 mm, 600 mm, or 700 mm), allow the machine to be optimized for different ground conditions, from soft terrain to hard, abrasive surfaces.

Operator Environment: Comfort and Safety

The PC110-7 introduced a vastly improved cab designed for a fatigue-free workday. Features include:

ROPS/FOPS-Certified Cab: A fully reinforced structure that meets international safety standards for roll-over and falling object protection.
Spacious Interior: Generous legroom and a wide, adjustable, suspended seat with high backrest and lumbar support.
Excellent Visibility: Large, flat glass windows, a tinted overhead skylight, and a narrow front cab pillar design provide exceptional all-around visibility of the work area and the right-side track.
Ergonomic Controls: Two low-effort, short-stroke pilot control levers are integrated into the armrests. An easy-to-read, color-coded monitor panel displays all critical machine statuses, including engine diagnostics, fluid temperatures, and maintenance intervals.
Climate Control: An efficient automatic air conditioning system ensures a comfortable working temperature in any weather.

Technology and Maintenance: KOMTRAX and Easy Service

As a pioneer in telematics, Komatsu equipped the PC110-7 with the KOMTRAX remote monitoring system. This technology transmits real-time data on machine location, working hours, fuel consumption, engine and hydraulic system health, and maintenance alerts to a secure web portal. Fleet managers can remotely monitor performance, schedule proactive maintenance, and even geo-fence the machine, significantly reducing downtime and operating costs.

Daily service and periodic maintenance have been engineered for simplicity. Engine oil, hydraulic oil filters, and the fuel pre-filter are grouped together and accessible from ground level. Wide-opening engine hoods and side doors provide ample access to the radiator, oil cooler, and air cleaner. The system also includes an automatic engine warm-up function and a turbocharger protection cooldown feature that runs the engine at idle for a set period after the key is turned off, protecting the turbocharger bearings from heat soak.

Versatility and Attachments

The PC110-7’s auxiliary hydraulic circuits are standard or readily available, allowing for the use of a wide range of attachments. With a breaker circuit, it transforms into a powerful demolition hammer for breaking concrete and rock. It is equally adept with compacting plates, augers, grapples, and thumbs for sorting and material handling. The quick-change coupler system (optional) enables the operator to switch between a bucket and a hammer in minutes without leaving the cab.

Applications

The combination of a compact 2.07-meter tail swing radius and powerful 11-tonne-class digging force makes the PC110-7 incredibly versatile. Its primary applications include:

Urban construction and road building, where space is constrained.
Utility trenching and pipeline installation.
Residential landscaping and site preparation.
Small-scale quarrying and material re-handling.
Demolition of small structures.

In summary, the Komatsu PC110-7 is not merely an excavator; it is an integrated productivity solution. It combines a fuel-efficient, powerful engine with an intelligent hydraulic system, a durable structure, and a safety-first, high-comfort cab, all backed by Komatsu’s legendary reliability and advanced remote monitoring technology. It remains a sought-after machine on the used equipment market, a testament to its enduring design and performance.

Non flooded

No accident

Original product

Used Komatsu 110-7 Excavator

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