Used Kobelco SK350 Excavator

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Here is a detailed English introduction to the Kobelco SK350 (typically represented by the current SK350LC-11 model, which is the latest Tier 4 Final/Stage V compliant 35-tonne class crawler excavator). The description covers its key features, technology, specifications, and applications.

KOBELCO SK350LC-11 Excavator – Comprehensive Overview

The Kobelco SK350 (model designation SK350LC-11 in its latest generation) is a high-performance 35-metric-ton hydraulic excavator designed for heavy construction, earthmoving, quarrying, demolition, and infrastructure projects. Renowned for its exceptional fuel efficiency, powerful digging forces, and advanced technology, the SK350 delivers a perfect balance of productivity and low operating costs. Built on the Performance x Design concept, the SK350LC-11 integrates a robust structure with intelligent systems to maximize uptime and operator comfort.

KEY FEATURES

1. Powerful & Clean Engine

At the heart of the SK350LC-11 is a HINO J08E-UV 6-cylinder, turbocharged and intercooled diesel engine. This engine meets stringent EPA Tier 4 Final / EU Stage V emission standards using a combination of:

Diesel Oxidation Catalyst (DOC)
Selective Catalytic Reduction (SCR) with Diesel Exhaust Fluid (DEF/AdBlue®)
Cooled Exhaust Gas Recirculation (CEGR)
No Diesel Particulate Filter (DPF) is required, reducing maintenance complexity and cost.

The engine delivers a robust 197 kW (264 HP) @ 2,100 rpm, providing ample power for the most demanding tasks while maintaining outstanding fuel economy. An automatic idle stop function and ECO mode further reduce fuel consumption and noise.

2. Advanced Hydraulic System (iNDr Cooling)

The excavator features a state-of-the-art hydraulic system with two variable-displacement axial piston pumps and a sensitive load-sensing control system. Total maximum oil flow reaches 2 × 294 L/min, enabling smooth, simultaneous multi-function operations (boom, arm, bucket, swing, and travel).

The iNDr (Integrated Noise & Dust Reduction) cooling system is a standout feature. It incorporates a hydraulically driven, variable-speed cooling fan that reverses automatically to purge the radiator, oil cooler, and intercooler of debris. This maintains optimal operating temperatures, reduces noise levels, and extends cleaning intervals, especially in dusty or fibrous job sites.

3. Robust Digging Performance

The SK350 is engineered for aggressive digging and heavy lifting:

Bucket digging force (ISO): Up to 246 kN (25.1 t) with a power boost function providing an extra 10% breakout force for a few seconds when needed.
Arm crowd force (ISO): Up to 190 kN (19.4 t).
Swing speed: 10.0 rpm, with a high-torque swing motor for precise positioning.
Drawbar pull: 314 kN (32.0 t), ensuring excellent tractive effort on steep grades and rough terrain.The heavy-duty boom and arm are constructed with thick steel plates and castings at high-stress points, reinforced with internal baffles for long-term durability.

4. Enhanced Undercarriage & Durability

The LC (Long Crawler) undercarriage provides exceptional stability and low ground pressure. Features include:

Full-length track guiding guards.
Induction-hardened track links and sprockets.
Sealed and lubricated track chains for extended life.
Double and triple grouser shoes available.
X-frame center section with reinforced track frames to withstand torsional loads.

5. Operator-Focused Cab

The SK350LC-11 cabin is a quiet, pressurized, and spacious environment (ROPS/FOPS Level 1 certified):

High-back air suspension seat with heating and adjustable lumbar support.
7-inch color LCD multi-display providing real-time machine data, fuel consumption, DEF level, maintenance alerts, and rear-view camera feed.
Bluetooth radio, AUX, and USB connectivity.
Automatic climate control with excellent airflow.
Joystick controls with proportional auxiliary hydraulics and power boost button integrated.
Low interior noise level (approx. 70 dB(A)), reducing operator fatigue.
Large skylight and expansive glass area for excellent all-around visibility; optional right-side and rear-view cameras further enhance safety.

6. KOMEXS (Kobelco Monitoring Excavator System) & Connectivity

The SK350 comes equipped with KOMEXS, Kobelco’s remote telematics platform (satellite/cellular). Owners and fleet managers can track:

Machine location (geofencing capability).
Operating hours, fuel consumption, and CO₂ emissions.
Service schedules and maintenance histories.
Fault codes and alerts for proactive diagnostics.This data-driven approach helps optimize fleet utilization, prevent unscheduled downtime, and control operating costs.

TYPICAL SPECIFICATIONS (SK350LC-11)

Parameter	Value
Operating Weight	35,900 – 36,800 kg (79,150 – 81,130 lbs)*
Engine Model	HINO J08E-UV
Engine Output (net)	197 kW (264 HP) @ 2,100 rpm
Max Torque	1,000 N·m @ 1,500 rpm
Displacement	7.684 L
Main Pump Flow (max)	2 × 294 L/min (2 × 77.6 GPM)
Max Pressure (work / swing)	34.3 MPa (4,980 psi) / 28.4 MPa (4,120 psi)
Max Digging Reach (long arm)	Up to 11,220 mm (36 ft 10 in)
Max Digging Depth (long arm)	Up to 7,400 mm (24 ft 3 in)
Max Dumping Height	Up to 7,540 mm (24 ft 9 in)
Bucket Capacity Range	1.2 – 2.1 m³ (1.57 – 2.75 yd³) heaped
Travel Speed (Low / High)	3.3 / 5.6 km/h (2.1 / 3.5 mph)
Ground Pressure (std shoes)	Approx. 69 kPa (10.0 psi)
Fuel Tank Capacity	460 L (121.5 US gal)
DEF Tank Capacity	39 L (10.3 US gal)

*Weight varies with boom/arm configuration, bucket, counterweight, and shoe width.

MAINTENANCE & SERVICEABILITY

Designed for easy daily checks and servicing:

Ground-level access to engine oil, fuel filters, water separator, and DEF refill.
Wide-opening engine hood and side covers for excellent access to radiators, pumps, and main control valve.
Automatic reversing fan reduces manual cleaning.
Grouped grease fittings and centralized remote greasing block (optional).
Extended service intervals: engine oil and filter every 500 hours, hydraulic oil every 5,000 hours.

ATTACHMENT VERSATILITY

The SK350 is compatible with a wide range of attachments including:

Heavy-duty buckets (digging, trenching, rock)
Hydraulic breakers and compactors
Grapples, thumbs, and multi-processors for demolition
Tilting and clamshell bucketsAuxiliary hydraulic circuits (single-acting, double-acting, high-flow) can be fitted at the factory or via dealer installation, with proportional joystick control.

APPLICATIONS

The Kobelco SK350 excels in:

Mass excavation and site preparation
Road and bridge construction
Quarry and aggregate handling
Utility and pipeline work
Heavy demolition (with appropriate guarding)
Forestry and material handling

Its combination of fuel-saving technology, high-lifting capacity, and robust durability makes the SK350 a top choice for contractors seeking a reliable 35-ton excavator that delivers low cost-per-ton performance.

Would you like a more focused specification for a specific variant (e.g., SK350LC-11 with standard 6.5 m boom and 3.3 m arm) or information on previous generations like the SK350-10 or SK350-9?

Non flooded

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Original product

Used Kobelco SK350 Excavator

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