Used Kobelco SK75 Excavator

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Detailed Introduction to KOBELCO SK75 Series Excavator

1. Overview

The KOBELCO SK75 is a class-leading 7–8 ton compact crawler excavator developed by Kobe Steel, Ltd. (KOBELCO), a world-renowned Japanese construction equipment manufacturer with over 100 years of experience in heavy machinery R&D and production. Positioned as a high-efficiency, energy-saving small excavator, it balances powerful performance, operational flexibility, low operating cost and high reliability, making it one of the most popular models in the 7-ton class market globally. Mainstream versions currently on sale include the SK75-8 (standard tail swing) and SK75SR (short-radius tail swing for narrow working conditions), which meet different regional emission standards such as China Non-road Stage IV, EU Stage V and US EPA Tier 4 Final.

2. Key Technical Specifications (based on standard SK75-8 configuration)

Parameter	Specification
Operating Weight	7,350 – 7,800 kg (varies by configuration and attachment)
Engine Model	Kubota V2607-DI-T-E3B (4-cylinder turbocharged, direct injection)
Rated Net Power	41 kW (55 hp) @ 2,200 rpm
Bucket Capacity	0.3 – 0.4 m³ (supports customization for breaker, auger, grab and other attachments)
Maximum Digging Depth	4,000 mm
Maximum Digging Height	7,280 mm
Maximum Dumping Height	5,210 mm
Maximum Digging Radius	6,260 mm
Bucket Digging Force	56 kN
Arm Digging Force	38 kN
Travel Speed (High/Low)	4.8 / 2.8 km/h
Swing Speed	11 rpm
Fuel Tank Capacity	140 L
Hydraulic System Rated Pressure	28 MPa

3. Core Features & Advantages

3.1 Reliable, Low-Emission Power System

The SK75 is equipped with a field-proven Kubota V2607 engine, which delivers stable power output, low failure rate and strong adaptability to harsh working conditions (high altitude, extreme high/low temperature environments). The electronically controlled fuel injection system precisely adjusts fuel supply according to real-time load changes, reducing unnecessary fuel waste while meeting strict global emission standards, without sacrificing operation performance.

3.2 High-Precision Energy-Saving Hydraulic System

It adopts KOBELCO’s exclusive optimized hydraulic system with independent flow distribution technology, which reduces pressure loss by 15% compared with previous generation models, realizing perfect matching of engine power and hydraulic load. The pilot control system has sensitive response, and compound actions of digging, swinging and traveling are highly coordinated, which greatly improves operation accuracy and work efficiency, especially suitable for fine operation scenarios. The system is also equipped with an overload protection device to extend the service life of core hydraulic components.

3.3 Industry-Leading Fuel Economy

Thanks to the matching optimization of the power and hydraulic system, plus the optional ECO energy-saving mode, the SK75 has a comprehensive fuel consumption of only 4–5 L per hour under conventional working conditions, which is 10–15% lower than most competing models of the same level, greatly reducing operating costs for users. The 140L large fuel tank supports continuous operation for more than 28 hours, reducing refueling frequency.

3.4 Comfortable & Safe Operating Experience

The cab meets ROPS/FOPS safety certification, with a wide field of view, and the front and side windows are made of tempered glass to effectively protect operator safety. The adjustable suspension seat has excellent shock absorption performance, which reduces fatigue during long-term operation. The integrated control panel clearly displays all operating parameters, and the ergonomic joystick is light to operate. The cab is also equipped with a high-efficiency air conditioning system, radio and USB charging port, with operating noise controlled below 75 dB, providing a quiet and comfortable working environment.

3.5 Easy Maintenance & High Reliability

All daily maintenance points are centrally arranged on the side of the fuselage, which can be accessed directly from the ground without climbing the machine, greatly shortening maintenance time. Fuel, engine oil and hydraulic oil filters all use long-life components, with a replacement cycle 20% longer than similar models. The main structural parts of the boom, arm and undercarriage are made of high-strength wear-resistant steel, which adapts to long-term heavy load operation, with an average trouble-free working time of more than 8,000 hours. The optional KOBELCO remote monitoring system supports real-time viewing of operation data, fault warning and maintenance reminder, which is convenient for fleet management.

4. Typical Application Scenarios

The compact size and flexible performance of the KOBELCO SK75 make it suitable for a wide range of operations:

Urban municipal engineering: pipeline laying, road repair, green belt construction, etc.
Landscaping: site leveling, trench digging for irrigation systems, tree transplanting
Agricultural infrastructure: farmland reconstruction, water conservancy ditch excavation, greenhouse construction
Small demolition works: old residential building demolition, indoor house renovation
Material handling: bulk material loading and unloading, yard sorting, logistics transfer
Narrow space operations: construction in urban residential areas, tunnel auxiliary construction (short-radius SR version)It can be equipped with a variety of auxiliary attachments to expand operation functions, covering almost all small and medium-sized engineering operation needs.

5. Market Recognition

The KOBELCO SK75 is highly recognized by users around the world for its low failure rate, low use cost and high residual value. Its global after-sales service network provides timely parts supply and technical support, which reduces downtime caused by equipment failure, making it an ideal choice for both individual contractors and large engineering fleets.

Non flooded

No accident

Original product

Used Kobelco SK75 Excavator

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