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Used Caterpillar 345D High-Capacity Excavator

    Used Caterpillar 345D High-Capacity Excavator

    The Used Caterpillar 345D High-Capacity Excavator is a robust and reliable heavy-duty machine designed for large-scale construction, mining, and earthmoving projects. Equipped with a powerful hydraulic system, high-capacity bucket, and reinforced undercarriage, the Cat 345D delivers exceptional digging performance and operational stability on demanding work sites. Its fuel-efficient engine and operator-friendly cab ensure both productivity and comfort, making it an ideal choice for contractors and rental fleets seeking a durable, high-performance excavator.
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Used Caterpillar 345D High-Capacity Excavator

Introduction

The Used Caterpillar 345D High-Capacity Excavator is a heavy-duty hydraulic excavator designed to meet the demanding needs of large-scale construction, mining, and earthmoving projects. Known for its robust design, high-capacity hydraulic system, and fuel efficiency, the Cat 345D delivers exceptional productivity while reducing operational costs.

Engineered with operator comfort, safety, and reliability in mind, this excavator is a cost-effective solution for contractors, construction companies, and rental fleets looking for a durable and high-performance machine.


1. Product Overview

The Caterpillar 345D is a track-type hydraulic excavator equipped for heavy-duty tasks. Its advanced hydraulic technology ensures precise movements and high digging power, while its reinforced undercarriage and boom design allow it to handle large material loads efficiently.

Key Specifications

FeatureSpecification
ModelCaterpillar 345D
Operating WeightApprox. 45,000 kg
Engine ModelCat C13 ACERT
Engine Power257 kW (344 HP)
Bucket Capacity2.0 – 3.0 m³
Max Digging Depth8.0 meters
Hydraulic SystemLoad-sensing with variable flow
Travel Speed5.5 km/h
Swing Speed10 rpm

This high-capacity excavator is suitable for large-scale construction, infrastructure, and industrial projects, offering optimal performance and operational efficiency.


2. Design Philosophy

The Caterpillar 345D is engineered with strength, efficiency, and operator comfort at its core:

a. Structural Strength

  • Reinforced boom and arm for heavy lifting and continuous operation.

  • Durable undercarriage capable of handling challenging terrains.

  • High-strength steel components reduce wear and maintenance frequency.

b. Hydraulic Efficiency

  • Load-sensing hydraulics automatically adjust flow and pressure.

  • Reduces fuel consumption while maintaining high digging and lifting performance.

  • Provides smooth and precise movements for all construction operations.

c. Operator-Centric Design

  • Spacious, ROPS/FOPS-certified cab reduces operator fatigue.

  • Intuitive controls enhance precision and efficiency.

  • Large windows and optional cameras improve visibility and safety.

d. Environmental Considerations

  • Engine meets Tier 3/Tier 4 emission standards depending on region.

  • Efficient fuel consumption lowers operating costs and carbon footprint.


3. Usage Guidelines

Proper operation maximizes performance, safety, and lifespan of the machine.

a. Pre-Operation Checks

  1. Inspect hydraulic lines, hoses, and fittings for leaks.

  2. Verify fuel, engine oil, and coolant levels.

  3. Examine undercarriage, track tension, and rollers.

  4. Test alarms, safety switches, and operator controls.

b. Safe Operating Practices

  • Operate within the rated load capacity.

  • Avoid sudden movements to prevent hydraulic stress and structural strain.

  • Maintain a safe distance from personnel and other equipment.

  • Always engage parking brakes and secure the boom when idle.

c. Post-Operation Procedures

  • Lower the boom and bucket safely to the ground.

  • Shut down the engine and release hydraulic pressure.

  • Clean the undercarriage and tracks to remove debris.

  • Inspect for wear, leaks, or damage before storage.


Used Caterpillar 345D High-Capacity Excavator


4. Energy Efficiency Standards

The 345D incorporates fuel-saving technologies to reduce operational costs:

  • Load-sensing hydraulic system optimizes oil flow for workload.

  • Eco-mode operation reduces fuel consumption during light-duty tasks.

  • Engine idle management automatically reduces fuel use during inactivity.

Benefits:

  • Lower fuel bills and operational expenses.

  • Reduced emissions and compliance with environmental regulations.

  • Extended component life due to optimized hydraulic performance.


5. Maintenance and Care

Regular maintenance ensures long-term reliability and reduced downtime.

Maintenance Schedule

ComponentIntervalTask
Engine Oil & FilterEvery 250 hoursReplace with Cat-approved oil
Hydraulic Oil & FilterEvery 500 hoursInspect and replace if needed
Fuel FilterEvery 250 hoursReplace or clean
Air FilterEvery 250 hoursClean or replace
UndercarriageDailyInspect and clean tracks
Cooling SystemEvery 1,000 hoursFlush and refill coolant
Electrical SystemEvery 500 hoursInspect battery and wiring

Maintenance Tips

  • Lubricate all pivot points daily to reduce wear.

  • Check track tension weekly and adjust as needed.

  • Inspect hydraulic hoses and connections for leaks.

  • Keep maintenance records for predictive servicing.


6. User Feedback

Case Study 1: Infrastructure Development

  • High digging performance reduced project completion time by 15%.

  • Fuel-efficient hydraulics lowered operational costs.

  • Operators praised smooth controls and comfortable cab.

Case Study 2: Mining Operations

  • Reinforced undercarriage handled rough terrain efficiently.

  • High-capacity bucket allowed faster material handling.

  • Maintenance intervals were adequate for continuous operation without downtime.


7. Key Considerations and Cautions

  • Avoid overloading the bucket to prevent structural damage.

  • Do not operate in extreme weather conditions without proper precautions.

  • Monitor engine temperature and hydraulic pressure regularly.

  • Use only Cat-approved replacement parts to ensure safety and performance.


8. Applications

The Caterpillar 345D excels in:

  • Large-Scale Construction: Excavation, foundation work, and site preparation.

  • Mining & Quarrying: Heavy material handling and rock excavation.

  • Infrastructure Projects: Roads, bridges, and utility installations.

  • Industrial Operations: Earthmoving and bulk material management.


9. Packaging and Transport

  • Machines are secured with boom locks and track guards for transport.

  • Cleaned and lubricated before shipment to prevent corrosion and wear.

  • Ensure transport vehicles can safely support the weight of the 345D.

  • Follow local regulations for safe and compliant transport.


10. Conclusion

The Used Caterpillar 345D High-Capacity Excavator combines power, efficiency, and reliability, making it an excellent choice for contractors, rental fleets, and industrial operators. With proper maintenance, safe operation, and adherence to energy efficiency standards, the Cat 345D ensures long-term productivity and cost-effective operation.

Its robust design, high-capacity hydraulics, operator comfort, and fuel efficiency make it one of the most reliable machines for heavy-duty excavation tasks.

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Add: Miaogendixia, Shuangdun Town, Changfeng County, Hefei City, Anhui Province

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