Used Doosan 300 Durable Fuel-Efficient Crawler Excavator

High Performance | Fuel Efficiency | Reliable Heavy-Duty Operation

Introduction

The Used Doosan 300 Durable Fuel-Efficient Crawler Excavator is a robust and reliable heavy-duty machine engineered for construction, mining, and large-scale earthmoving projects. Built with a high-performance Doosan engine and an advanced hydraulic system, it combines durability, fuel efficiency, and precise control to maximize productivity on-site.

This excavator is specifically designed for contractors and rental companies seeking a cost-effective solution without compromising on performance. Whether it's excavation, trenching, demolition, or material handling, the Doosan 300 delivers superior results under demanding working conditions.

This guide covers product specifications, maintenance schedules, warranty terms, core advantages, and applications, providing a comprehensive overview for potential buyers and operators.

Product Specifications

The Doosan 300 is built for high-intensity workloads, offering stability, long-term reliability, and excellent resale value in the used equipment market.

Core Advantages

1. Fuel Efficiency

• Equipped with a high-efficiency diesel engine that reduces fuel consumption by up to 15% compared to standard 30-ton excavators.

• Idle shutdown and energy recovery hydraulic system reduce waste during low-load operations.

2. Structural Durability

• Reinforced undercarriage and X-frame design support heavy-duty excavation and material handling.

• High-strength boom and arm resist deformation under repeated stress.

3. Advanced Hydraulic System

• Dual variable-displacement pumps provide smooth and precise control.

• Multi-function hydraulic operation allows simultaneous digging, swinging, and lifting, improving productivity.

4. Operator Comfort

• ROPS/FOPS-certified cabin with ergonomic seating, adjustable controls, and superior visibility.

• Low vibration design reduces operator fatigue during extended working hours.

• Integrated monitoring display provides real-time data on fuel consumption, hydraulic pressure, and maintenance alerts.

5. Low Maintenance and Serviceability

• Centralized service points allow quick inspection and maintenance.

• Wear-resistant components and reinforced hydraulic lines reduce downtime.

• Easy access to engine, filters, and hydraulic system simplifies routine maintenance.

Maintenance Schedule and Guidelines

Regular maintenance ensures long-term performance, safety, and fuel efficiency.

Preventive Tips:

• Conduct daily visual inspections for leaks, cracks, or loose bolts.

• Lubricate all moving components as per schedule.

• Maintain operation logs to track performance and anticipate part replacement.

Warranty Terms

For buyers of Used Doosan 300 Excavators, understanding warranty coverage is essential for long-term reliability.

1. Standard Warranty

• Engine and hydraulic system: 6 months or 500 operational hours, whichever comes first.

• Structural components: 12 months for frame and boom defects caused by manufacturing issues.

2. Extended Warranty Options

• Optional extended warranty packages are available covering electrical systems, undercarriage components, and auxiliary attachments.

• Extended warranty ensures peace of mind, particularly for contractors operating in harsh environments.

3. Conditions and Exclusions

• Warranty is valid only if authorized service centers perform maintenance according to Doosan guidelines.

• Damage caused by operator negligence, overloading, or improper storage is excluded.

• Routine maintenance, oil changes, and filter replacements are the owner’s responsibility.

Installation and Setup Procedures

Proper installation ensures optimal performance and safety.

Step 1: Site Preparation

• Select a level, stable, and debris-free area for initial setup.

• Confirm there are no underground utilities or soft soil areas that could compromise stability.

Step 2: Transportation and Unloading

• Use a low-bed or flatbed truck for transport.

• Secure the excavator with chains and inspect for transport-related damage.

Step 3: Assembly

• Attach the boom, arm, and bucket if shipped disassembled.

• Connect hydraulic lines carefully and check for tight seals.

• Ensure all control levers and safety devices function properly.

Step 4: Pre-Operational Check

• Fill fuel, hydraulic fluid, and engine oil.

• Conduct a system inspection for leaks, loose bolts, or damages.

• Start the engine, run hydraulic systems at low load, and verify operational smoothness.

Product Applications

The Doosan 300 Crawler Excavator is versatile, suitable for a wide range of heavy-duty applications:

1. Construction

• Road building, foundation digging, and large-scale landscaping.

• Efficient material handling and trenching operations.

2. Mining and Quarrying

• Excavation of hard rock, mineral, and aggregate extraction.

• Loading and transporting materials onto trucks.

3. Demolition

• Structural demolition with optional attachments such as hydraulic breakers.

• Precise and safe operation in urban or industrial environments.

4. Agricultural and Utility Projects

• Land leveling, irrigation canal construction, and pipeline installation.

• Excavation in remote areas with stable undercarriage performance.

Core Technical Advantages

• High Digging Force: Powerful hydraulic system enables deep and precise excavation.

• Fuel Efficiency: Advanced engine and hydraulic coordination reduces operating costs.

• Durability: Reinforced structure and premium components ensure long life in demanding conditions.

• Operator Safety and Comfort: Ergonomic cabin with ROPS/FOPS certification and low vibration.

• Versatility: Compatible with multiple attachments for digging, lifting, and demolition.

Quality Inspection Standards

Each Used Doosan 300 Excavator undergoes a rigorous inspection process to ensure reliability and performance:

Units passing inspection are certified and prepared for immediate deployment.

Conclusion

The Used Doosan 300 Durable Fuel-Efficient Crawler Excavator combines power, reliability, and cost-efficiency to meet the demands of heavy-duty construction, mining, and earthmoving operations. With its robust structure, advanced hydraulic system, and energy-efficient engine, this excavator ensures high productivity, lower fuel costs, and long-term durability.

With proper installation, adherence to maintenance schedules, and understanding of warranty terms, the Doosan 300 provides exceptional value and dependable performance for contractors, rental fleets, and industrial operators worldwide.