Used Hyundai 300 Excavator – Strong Boom Digging Power and Reliable Performance
The Used Hyundai 300 Excavator is a robust and versatile heavy-duty machine designed to meet the demands of modern construction, mining, and earthmoving projects. Known for its strong boom digging power, smooth hydraulic operation, and durable design, this excavator offers consistent performance even as a used unit.
Its advanced engineering, energy-efficient engine, and operator-friendly features make it a top choice for contractors seeking high productivity, cost-effective operation, and long-term reliability. This article provides an in-depth overview of inspection standards, usage precautions, safety operation procedures, and packaging information for used Hyundai 300 excavators.
Ensuring that a used Hyundai 300 excavator meets rigorous inspection standards is critical for performance, safety, and longevity.
A thorough inspection should include:
Engine compression and performance testing
Hydraulic pump and cylinder evaluation
Leak checks in hydraulic hoses and connections
Fluid level verification (engine oil, hydraulic oil, coolant)
| Component | Inspection Criteria | Acceptance Standard |
|---|---|---|
| Engine | No abnormal noise, smooth idling | Compression within manufacturer spec |
| Hydraulic system | No leaks, consistent pressure | Pressure readings match hydraulic charts |
| Boom and arm | No cracks, deformation, or excessive wear | Visual inspection + load test |
| Tracks | Proper tension, no missing parts | Track sag within tolerance |
Inspect the boom, arm, and bucket for structural integrity
Check chassis and undercarriage for cracks or damage
Test cabin safety features, including seat belts, emergency stop, and alarms
Conduct a full functionality test on-site:
Operate boom, arm, bucket, and swing system
Test travel and rotation under load
Monitor hydraulic responsiveness and engine performance
Proper usage is essential to maximize efficiency and prolong the life of the Hyundai 300 Excavator.
Before starting the excavator, operators should:
Inspect fuel, oil, and coolant levels
Check hydraulic hoses, connectors, and seals for wear
Ensure all safety devices and alarms are operational
Confirm tracks and undercarriage are free of debris
Load Management: Avoid exceeding the excavator’s rated load capacity. Overloading can damage hydraulic systems and structural components.
Boom and Arm Usage: Use smooth, controlled movements to minimize stress on the hydraulic system.
Engine Efficiency: Operate in fuel-efficient modes when possible to reduce fuel consumption and emissions.
Environmental Awareness: Avoid operating on extremely soft ground or unstable terrain without proper assessment.
Allow the engine to idle for 3–5 minutes to cool down
Clean the undercarriage and hydraulic components
Inspect for leaks or abnormal wear after each shift

Safety is paramount in heavy equipment operations. The Hyundai 300 excavator comes equipped with multiple safety features, but adherence to procedures is crucial.
Always wear personal protective equipment (PPE): helmet, gloves, reflective vest, and safety boots
Fasten seat belt before starting the machine
Maintain clear visibility of work areas and personnel
Do not operate the excavator under the influence of alcohol or drugs
Establish a safe working perimeter around the excavation area
Use spotters when operating in tight or crowded spaces
Avoid swinging the boom over personnel or vehicles
Follow proper signaling procedures for communication on-site
Familiarize yourself with the emergency stop button and safety cut-off systems
Know the location of fire extinguishers and first aid kits
In case of hydraulic or engine failure, lower the attachments and shut down the machine safely
| Safety Feature | Function | Recommended Action |
|---|---|---|
| Emergency stop button | Immediately stops engine | Test monthly |
| Cabin alarms | Alerts to system faults | Monitor daily |
| Seat belt | Operator restraint | Always fasten before operation |
| Load sensors | Prevent overloading | Observe warning indicators |
Proper packaging and transport of used Hyundai 300 excavators are critical for safe delivery and minimal damage.
Inspect the machine for loose components and secure all attachments
Retract the boom, arm, and bucket to lower the center of gravity
Use heavy-duty transport vehicles suitable for the excavator’s weight
Wrap sensitive components with protective covers, such as hydraulic cylinders and cabin glass
Apply rust inhibitors to exposed metal surfaces for long-distance shipping
Secure the excavator with chains and tie-downs to prevent movement during transit
Use ramps with appropriate angles to prevent tipping
Ensure ground stability at the unloading site
Deploy spotters to guide loading/unloading operations safely
| Packaging Step | Purpose | Notes |
|---|---|---|
| Retract boom & arm | Reduce transport height | Prevent damage to overhead objects |
| Secure tracks | Maintain stability | Use heavy-duty tie-downs |
| Cover sensitive parts | Protect from dust & moisture | Especially for hydraulic components & cabin glass |
| Apply rust inhibitor | Prevent corrosion | Essential for long-distance shipping |
Routine maintenance ensures the used Hyundai 300 Excavator remains reliable and productive.
| Maintenance Task | Frequency | Notes |
|---|---|---|
| Engine oil & filter replacement | Every 250 hours | Use recommended grade |
| Hydraulic fluid inspection | Every 500 hours | Check for contamination |
| Air filter cleaning | Weekly | Prevent engine efficiency loss |
| Track tension adjustment | Monthly | Prevent excessive wear |
| Grease pivot points | Weekly | Lubricate joints & pins |
| Symptom | Possible Cause | Solution |
|---|---|---|
| Slow bucket movement | Low hydraulic pressure | Check fluid levels, inspect pump |
| Engine overheating | Low coolant, blocked radiator | Refill coolant, clean radiator |
| Vibrations or shaking | Loose bolts, worn bushings | Tighten or replace as needed |
| Warning light activation | Sensor or system fault | Diagnose error codes, service technician |
Strong Boom Digging Power: Handles heavy loads and tough soil efficiently
Smooth Hydraulic Operation: Ensures precise control and reduced energy loss
Durable Build: Reinforced frame and high-quality components for long-term use
Fuel Efficiency: Optimized engine and hydraulic design reduce operational costs
Operator Comfort: Ergonomic cabin and intuitive controls reduce fatigue
Certified Used Quality: Inspected units with maintenance records for peace of mind
The Used Hyundai 300 Excavator is a powerful and dependable solution for contractors and construction businesses. With strong boom digging power, smooth hydraulic performance, and a durable design, it excels in heavy-duty applications while maintaining fuel efficiency and operator comfort.
Adhering to inspection standards, usage precautions, safety protocols, and proper packaging ensures maximum productivity, longevity, and safe operations. For businesses seeking a high-performance, reliable, and cost-effective used excavator, the Hyundai 300 remains a top choice.
RELATED
We provide pre-sales and after-sales service to all our valued clients who trust our professional team. We spare no effort in answering our clients' questions and meeting their needs. We also assist our clients with the loading and transportation process and provide original equipment parts.
E-mail: fanmanager@jmusedexcavator.com
Add: Miaogendixia, Shuangdun Town, Changfeng County, Hefei City, Anhui Province
Copyright © 2025 Hefei Jiuming Engineering Machinery Co., Ltd. All rights reserved
SitemapThis website uses cookies to ensure you get the best experience on our website.