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The following models are encompassed by this manual: SK 300 LC MARK IV / Kobelco Construction Machinery America, LLC
Kobelco SK 300 LC MARK IV
Engine: HINO J08EVV-KSDP, 469 cu in, 6 cylinders, EPA Tier IV Final, 729.5lb ft, water-cooled, 1600rpm, 4.5in x 5.2in, 729.5lb ft, 2100rpm, 252.2hp.
Serial numbers: YCU0603, YCU0607, SN YCU0611.
437 pages
Manual Language: English
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"Get Ahead with Your Hydraulic Excavator Fix: The Ultimate Manual for Kobelco Machines!"
The Kobelco SK 300 LC MARK IV hydraulic excavator stands as a testament to Kobelco's commitment to reliability, precision, and power in the world of excavation. However, even the most steadfast machines require keen understanding and proper maintenance. Our guide dives deep into the technicalities and intricacies of the SK 300 LC MARK IV, ensuring its optimal performance.
Engine Specifications/Technical Data:
• The SK 300 LC MARK IV is powered by a Mitsubishi 6D16-TL diesel engine.
• This engine delivers an impressive output of 195 hp.
• The machine's total operating weight stands around 30,500 kg.
• It has an efficient fuel tank capacity of approximately 450 liters.
• The hydraulic system holds a significant 270 liters.
• The hydraulic system operates at a pressure of 34.3 MPa.
• The hydraulic pump flow stands at 2 x 222 L/min.
• The digging force of the bucket is about 20,900 kgf.
• With its arm, the digging force reaches 18,600 kgf.
• The maximum digging depth it can achieve is approximately 7,380 mm.
• Its maximum digging reach extends to about 10,900 mm.
• The width of the machine measures around 3,000 mm.
• The excavator has a swing speed of 9.2 rpm.
• The traveling speed of the SK 300 LC MARK IV is 5.0 - 3.1 km/h.
• Equipped with a spacious cabin ensuring operator comfort.
• It boasts an advanced noise reduction system for quieter operation.
• The engine comes with turbocharging for enhanced power delivery.
• Features an advanced cooling system for optimal temperature regulation.
• Its ground pressure stands at approximately 0.62 kgf/cm^2.
• Designed with a reliable counterweight mechanism for stability during heavy-duty tasks.
Facts and Details:
- Known for its robust and durable construction ensuring longevity.
- It offers a high level of operator safety with its advanced cabin design.
- Efficient fuel consumption makes it eco-friendly and pocket-friendly.
- The advanced hydraulic system guarantees smooth and precise operations.
- Designed for versatility, suitable for a range of excavation tasks.
- Features an auto-idling system to save fuel during inactivity.
- Comes with a multi-function color monitor for enhanced control.
- Integrated with FOPS (Falling Object Protective Structure) for operator safety.
- Its advanced filtration system ensures the longevity of hydraulic components.
- Renowned for its minimal maintenance requirements.
Maintenance Tips and Common Issues:
► Routine Oil Checks: Ensure engine and hydraulic oil levels are frequently monitored and refilled.
► Inspect Hydraulic Systems: Regularly check for leaks or damaged hoses.
► Cooling System Maintenance: Cleaning and checking the radiator and other cooling components to avoid overheating.
► Filter Maintenance: Replace air, oil, and hydraulic filters as per the manufacturer's recommendations.
► Regular Inspection: Consistently check the undercarriage, tracks, and bucket teeth for signs of wear.
Tuning Tips or Modifications:
* Invest in performance-enhancing engine chips or modules.
* Upgrade to advanced hydraulic fluids for smoother operations.
* Use heavy-duty undercarriage components for rugged terrains.
* Implement advanced monitoring systems for real-time data.
* Retrofit with energy-efficient LED lighting for nighttime operations.
Accessories and Attachments:
■ General-purpose buckets.
■ Heavy-duty rock buckets.
■ Hydraulic breakers.
■ Augers.
■ Compactors.
■ Grapples.
■ Quick couplers.
■ Rippers.
■ Tiltrotators.
■ Thumbs.
Owner Reviews and Opinions:
Strengths:
☺ Excellent power delivery and operational efficiency.
☺ Sturdy build ensuring a longer machine life.
☺ Minimal maintenance hassles compared to competitors.
☺ Advanced safety features prioritizing operator safety.
Weaknesses:
☻ Some parts might be pricier compared to other brands.
☻ Cabin space could be limited for larger operators.
Common Repairs and Frequently Broken Parts:
→ Hydraulic pump replacements or maintenance.
→ Track adjustments or replacements.
→ Bucket tooth replacements.
→ Drive motor issues.
→ Swivel joint repairs.
→ Undercarriage part replacements.
→ Seal and gasket replacements.
→ Radiator repairs or replacements.
→ Control valve issues.
→ Electrical system malfunctions.
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