Used Kobelco SK250 Excavator

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Detailed Introduction to KOBELCO SK250 Crawler Excavator

The KOBELCO SK250 is a class-leading 25-ton medium crawler excavator developed and manufactured by Kobelco Construction Machinery, a subsidiary of Japan-based Kobe Steel Group. As a star model in Kobelco’s iconic SK series, it balances heavy-duty operation performance, ultra-high fuel efficiency and long-term durability, and is widely recognized as one of the most cost-effective medium excavators in the global construction equipment market.

1. Core Specifications (Standard Configuration)

Item	Parameter
Operating Weight	24,600 – 25,800 kg (varies by bucket, counterweight and attachment configuration)
Bucket Capacity	0.8 – 1.4 m³
Rated Power	137 kW / 2,000 rpm
Bucket Digging Force	171 kN
Arm Digging Force	116 kN
Max. Digging Depth	6,980 mm
Max. Digging Radius	10,240 mm
Max. Dumping Height	7,120 mm
Travel Speed	3.3 km/h (low) / 5.6 km/h (high)
Gradeability	70% (35° slope)

2. Power System

The SK250 is equipped with a Hino J05E-TF 4-cylinder turbocharged intercooled diesel engine, which meets different regional emission standards including EU Stage V, U.S. Tier 4 Final and China National IV:

High low-end torque output: peak torque of 637 N·m at 1,500 rpm, no power drop under heavy load conditions such as rock excavation and full bucket loading
Adaptable to extreme environments: built-in cold start system supports normal start at -10℃, and optional plateau calibration kit ensures stable output at 4,000m altitude
Low emission: the aftertreatment system combines DPF (Diesel Particulate Filter) and SCR (Selective Catalytic Reduction), with no black smoke during operation and low urea consumption.

3. Hydraulic System

It adopts Kobelco’s proprietary iNDr+ (Independent Negative Flow Control Plus) intelligent hydraulic system, which is the core advantage of the SK series:

Precisely matches engine output and hydraulic demand, reduces energy loss by 12% compared with traditional hydraulic systems, and ensures smooth compound actions (simultaneous boom lifting, arm recovery and swing without lag)
Three work modes are available for users to switch according to working conditions:
- H mode: full power output, suitable for heavy rock breaking and high-efficiency loading
- S mode: balanced efficiency and fuel consumption, suitable for daily earthwork
- ECO mode: 10-15% lower fuel consumption than H mode, suitable for light load operations such as land leveling
Built-in shock absorption valve reduces impact on structural parts during operation, and extends the service life of the working device.

4. Structural Durability

The whole machine is designed for long-term heavy load operation:

The undercarriage adopts reinforced X-type frame, and the track shoes, support rollers and idlers are made of high-manganese wear-resistant steel, with sealed lubrication design, and the service life is 30% longer than similar products
The boom, arm and bucket are made of high-strength alloy steel, and the welding parts are subject to stress relief treatment, which is not easy to crack under long-term heavy load; optional heavy-duty working device package for mining and quarry scenarios
All pins of the working device are hard chromium plated, with good wear resistance and sealing performance, reducing abnormal wear.

5. Operator Experience

The cab meets international ROPS (Roll-Over Protective Structure) and FOPS (Falling Object Protective Structure) safety standards:

Spacious interior space, equipped with fully adjustable air suspension seat, which can effectively absorb road vibration, and reduce fatigue during long-term operation
Light-stroke pilot control handle, with high operation accuracy, and the operation force is only 25N, which reduces the labor intensity of the operator
7-inch color LCD display, which displays real-time operating parameters, fuel consumption, fault codes and other information; optional rearview camera eliminates blind spots
Fully automatic constant temperature air conditioning, built-in noise reduction materials, the interior noise is only 72dB during operation, and it is also equipped with Bluetooth and USB charging interfaces.

6. Fuel Efficiency & Maintenance Convenience

Outstanding fuel saving performance: comprehensive fuel consumption is 16-19L/h in ECO mode, 22-25L/h in heavy load mode, which is 10-15% lower than other 25-ton excavators of the same class, and can save more than 20,000 yuan in fuel cost per year under normal use
All daily maintenance points are designed to be accessible from the ground, no need to climb the car to replace oil, filter elements; the hydraulic oil replacement cycle is 5,000 hours, and the air filter replacement cycle is 2,000 hours, which greatly reduces downtime
Equipped with Kobelco’s exclusive KOMEXS remote monitoring system, which supports real-time viewing of equipment location, working hours, fuel consumption and fault warning, and facilitates fleet management.

7. Application Scenarios & Optional Configurations

The SK250 is suitable for a wide range of scenarios: municipal road construction, foundation excavation, mining and quarrying, river dredging, forestry logging and transportation, etc. It can be matched with a variety of attachments including hydraulic breaker, log grab, hydraulic shear, ripper and quick coupler.

Optional configurations are also available: extended boom (max digging depth up to 11m), cold area upgrade kit (fuel heating, oil pan heating), plateau upgrade kit, anti-theft system, etc.

Non flooded

No accident

Original product

Used Kobelco SK250 Excavator

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