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  • Used Amphibious Excavator Dredger CAT 320, CAT 320C 320CL 320D 320D2 Excavator, River Sand Dredging Machine Pontoon Boat Sides
  • Used Amphibious Excavator Dredger CAT 320, CAT 320C 320CL 320D 320D2 Excavator, River Sand Dredging Machine Pontoon Boat Sides
  • Used Amphibious Excavator Dredger CAT 320, CAT 320C 320CL 320D 320D2 Excavator, River Sand Dredging Machine Pontoon Boat Sides
  • Used Amphibious Excavator Dredger CAT 320, CAT 320C 320CL 320D 320D2 Excavator, River Sand Dredging Machine Pontoon Boat Sides
  • Used Amphibious Excavator Dredger CAT 320, CAT 320C 320CL 320D 320D2 Excavator, River Sand Dredging Machine Pontoon Boat Sides
  • Used Amphibious Excavator Dredger CAT 320, CAT 320C 320CL 320D 320D2 Excavator, River Sand Dredging Machine Pontoon Boat Sides
Used Amphibious Excavator Dredger CAT 320, CAT 320C 320CL 320D 320D2 Excavator, River Sand Dredging Machine Pontoon Boat Sides

Used Amphibious Excavator Dredger CAT 320, CAT 320C 320CL 320D 320D2 Excavator, River Sand Dredging Machine Pontoon Boat Sides

  • 1 - 2 Units
    $10,555
  • >= 3 Units
    $9,588
View product details

Used Amphibious Excavator Dredger CAT 320, CAT 320C 320CL 320D 320D2 Excavator, River Sand Dredging Machine Pontoon Boat Sides

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Amphibious Excavation & Dredging: Equipped with a 1.2m³ bucket capacity, designed for efficient river sand dredging, material handling, and excavation in aquatic and terrestrial environments.
  • Heavy-Duty Construction: Built with high-strength steel and CAT-branded hydraulic systems (cylinders and pumps) for robust performance in demanding tasks like land clearing, trenching, and sediment removal.

Key features

  • 1. Material Technology

    • With a high-strength steel frame and Caterpillar-certified hydraulic components (cylinders and pumps), you can ensure durability and reliable performance in harsh construction environments. *Disclaimer: Steel construction outperforms standard materials in longevity; hydraulic components meet Caterpillar’s engineering standards.

  • 2. Performance Parameters

    • With a 1.2m³ bucket capacity and 20-ton operating weight, you can handle heavy-duty tasks like river sand dredging with 20% greater material movement efficiency than smaller excavators. *Disclaimer: Based on Caterpillar’s specifications; output may vary by terrain and load.

  • 3. Scenario Solutions

    • As an amphibious excavator, you can operate seamlessly in both water and land environments—unlike traditional land-only models—enabling efficient riverbed dredging and shoreline construction. *Disclaimer: Amphibious capability depends on water depth and terrain conditions.

  • 4. Interactive Design

    • With Caterpillar’s precision-engineered hydraulic system, you can achieve fine-tuned control over excavation tasks and attachments (e.g., dredging buckets), reducing operational errors. *Disclaimer: Precision control may vary based on operator skill and attachment type.

  • 5. Certification Standards

    • Built to Caterpillar’s rigorous quality standards, you can trust its safety and reliability for commercial use, meeting industry requirements for heavy machinery. *Disclaimer: Certifications are subject to Caterpillar’s official documentation and manufacturer confirmation.

Product details

Used Amphibious Excavator Dredger CAT 320, CAT 320C 320CL 320D 320D2 Excavator, River Sand Dredging Machine Pontoon Boat Sides

The Used Amphibious Excavator Dredger CAT 320 series combines rugged durability with amphibious versatility, designed for river sand dredging and construction tasks in aquatic and terrestrial environments. Built with high-strength steel and CAT-certified hydraulic components, this excavator offers reliable performance, precise control, and adaptability for diverse projects.

Technical specifications

FeatureSpecificationBenefit
Bucket Capacity1.2m³Efficiently handles large-scale sand dredging and material excavation.
Hydraulic ComponentsCAT-brand cylinders/pumpsEnsures seamless power delivery and longevity under heavy loads.
Operating Weight20 tonsProvides stability on uneven terrain and during heavy lifting.
Material ConstructionSteel frame/undercarriageWithstands extreme stress and corrosion for long-term use.
Amphibious DesignPontoon boat sidesEnables operation in water, ideal for riverbed dredging and aquatic work.
Color & BrandingCaterpillar yellowEnhances visibility and aligns with industry-standard safety practices.

Customization guide

Adjustable parameters such as bucket size and hydraulic attachment compatibility can be tailored to meet specific needs. For example:

  • Custom bucket designs for specialized dredging or debris handling.
  • Hydraulic system upgrades to boost flow rates for faster material movement.

Get inspired

With its amphibious pontoon boat sides, this excavator transforms water bodies into work zones. Whether dredging riverbeds or excavating construction sites, the CAT 320 series ensures precision and reliability. Its robust steel frame and CAT hydraulic components make it a trusted choice for demanding environments.

Choose your model

ParameterBase Model (CAT 320C)Advanced Model (CAT 320D)Pro Model (CAT 320D2)
Engine Power112 HP+15% (129 HP)*+30% (148 HP)*
Control SystemManualEnhanced precisionFully automated
Attachment OptionsStandardExtendedFull customization
Amphibious CapabilityBasicEnhanced stabilityFull water/land duality

Supplier's note

  1. Key Technical Breakthroughs:

    • CAT Hydraulic System: Triple-certified durability ensures 20% faster cycle times than generic brands.
    • Amphibious Pontoon Design: Enables 30% deeper water operation compared to land-only excavators.
    • Modular Attachments: Customizable buckets and tools reduce downtime by 40%.

  2. Optimal Version Selection:

    • Base Model: Ideal for small-scale contractors needing reliable dredging in shallow waters.
    • Advanced Model: Suitable for mid-sized projects requiring enhanced precision (e.g., precise riverbed leveling).
    • Pro Model: Best for large-scale operations demanding high power (e.g., deep-water mining or heavy excavation).

With the Pro Model’s 148 HP engine, you can dredge 25% faster than traditional excavators. Pair its amphibious capability with a reinforced bucket to tackle even the toughest riverbeds.

Frequently asked questions

  • Which CAT 320 model is best suited for river sand dredging tasks?

  • How do I maintain the hydraulic systems of a CAT 320C excavator for long-term use?

  • Why choose a used CAT 320C excavator over a new one for heavy-duty dredging?

  • Can the CAT 320C excavator be customized with dredging attachments?

  • Is the CAT 320C excavator certified for safe river dredging operations?

  • How does the 20-ton operating weight of the CAT 320C benefit heavy excavation tasks?

  • Can the amphibious CAT 320C operate efficiently in shallow water or soft ground?

  • What makes the 1.2m³ bucket capacity of the CAT 320C ideal for river dredging?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Amphibious Excavator DredgerRiver sand dredging, water/land projects1.2m³ bucket (ASTM D3558), CAT hydraulics (ISO 4396), 20-ton weight (ISO 3095)▲ Amphibious capability, ▲ High dredging efficiency, ▲ CAT-certified durabilityHigher cost, requires specialized maintenance, limited land-only adaptability
Standard ExcavatorLand construction, earthmoving0.8–1.0m³ bucket, non-CAT hydraulics, 18–22-ton weightCost-effective, widely available, simpler maintenanceNot amphibious, lower dredging capacity, less durable hydraulics
Dredging MachineRiverbed/canal cleaning, sediment removal1.5m³ bucket (ASTM D7488), specialized dredging attachments▲ Superior sediment handling, ▲ High water flow adaptabilityLimited terrain mobility, higher operational complexity, narrower use cases
Pontoon BoatWater transport, shallow-water operationsFloating platform, no excavation capabilityStable on water surfaces, cost-effective for transportNo excavation/dredging function, requires separate machinery for projects
Used Engineering MachineryBudget construction, short-term projects1.2m³ bucket (if refurbished), mixed-component reliabilityLower upfront cost, sufficient for basic tasks▲ Risk of component failure, higher long-term maintenance costs
Amphibious Competitor ModelsSimilar water/land projects (non-CAT)1.0m³ bucket, non-CAT hydraulics, 19-ton weightAffordable amphibious option, available alternatives▲ Lower durability, ▲ Less power efficiency, fewer certifications

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