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  • 46ton Amphibious Dredger Shanzhong SZ500C Marine Crawler Excavator Amphibious Digger for River Dredging Works
  • 46ton Amphibious Dredger Shanzhong SZ500C Marine Crawler Excavator Amphibious Digger for River Dredging Works
  • 46ton Amphibious Dredger Shanzhong SZ500C Marine Crawler Excavator Amphibious Digger for River Dredging Works
  • 46ton Amphibious Dredger Shanzhong SZ500C Marine Crawler Excavator Amphibious Digger for River Dredging Works
  • 46ton Amphibious Dredger Shanzhong SZ500C Marine Crawler Excavator Amphibious Digger for River Dredging Works
  • 46ton Amphibious Dredger Shanzhong SZ500C Marine Crawler Excavator Amphibious Digger for River Dredging Works
46ton Amphibious Dredger Shanzhong SZ500C Marine Crawler Excavator Amphibious Digger for River Dredging Works

46ton Amphibious Dredger Shanzhong SZ500C Marine Crawler Excavator Amphibious Digger for River Dredging Works

  • 1 - 5 Units
    $158,000
  • >= 6 Units
    $156,800

Customization:

Customized logo（Min.Order: 2 pieces）
Customized packaging（Min.Order: 2 pieces）
Graphic customization（Min.Order: 2 pieces）
View product details

46ton Amphibious Dredger Shanzhong SZ500C Marine Crawler Excavator Amphibious Digger for River Dredging Works

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Heavy-Duty Digging & Material Handling: Equipped with a large bucket and a robust KYB hydraulic pump, the SZ500C Marine Excavator efficiently manages soil, rocks, and debris in demanding environments.
  • Extendable Arm Reach: The long, telescopic arm enables precise digging over obstacles or into confined spaces, maximizing operational flexibility.

Key features

  • 1. Marine-Grade Corrosion-Resistant Material Technology

    • With a corrosion-resistant metal body designed for marine environments, you can operate in saltwater, humid, or coastal conditions without rust or structural degradation. Up to 50% more durable than standard steel in salt-exposed areas

  • 2. Modular Extendable Arm Design for Versatile Applications

    • With the long, extendable arm and modular attachment system, you can adapt to tasks like deep digging, material handling, or precision work in tight spaces. 30% faster attachment changes compared to fixed-arm models

  • 3. High-Performance Hydraulic System with KYB Pumps

    • With KYB-brand hydraulic pumps, you can achieve powerful and precise movements for heavy-duty tasks like lifting 45-ton payloads. 25% higher operational efficiency than non-KYB hydraulic systems

  • 4. Heavy-Duty Industrial Scenario Solutions

    • With a 45-ton operating weight and robust build, you can tackle large-scale construction, demolition, or earth-moving projects in commercial or industrial settings. Ideal for 24/7 continuous operation in harsh environments

  • 5. Marine Industry Compliance and Safety Standards

    • With materials and construction compliant with marine machinery safety standards, you can ensure reliability and longevity in maritime or wet-site operations. Meets ISO 3051:2018 for marine equipment durability

Product details

46ton Amphibious Dredger Shanzhong SZ500C Marine Crawler Excavator Amphibious Digger for River Dredging Works

The SZ500C Marine Excavator is a robust crawler excavator designed for heavy-duty applications in marine and industrial environments. Equipped with a KYB hydraulic pump, a 45-ton operating weight, and a large bucket, it delivers exceptional stability and material-handling capacity. Its extendable arm enables precise reach in confined spaces, while the 1-year warranty ensures reliable performance.

Technical specifications

FeatureSpecificationBenefit
Hydraulic Pump BrandKYBEnsures high-pressure reliability and longevity.
Moving TypeCrawler ExcavatorProvides superior traction on uneven terrain.
Operating Weight45 tonsEnhances stability and load-bearing capacity.
Extendable Arm18m (max extended length)Enables access to tight or elevated workspaces.
Bucket Capacity1.5m³Optimized for heavy-duty digging and material transport.
Warranty1 yearComprehensive coverage for peace of mind.

Customization guide

Adjustable parameters include arm extension length (up to 20m) and bucket capacity (1.2–1.8m³) to meet specialized needs such as deep trenching or bulk material handling. The hydraulic system pressure can also be customized for enhanced performance in high-demand scenarios.

Get inspired

With its marine-grade durability and versatile design, the SZ500C excels in demanding environments like port construction, landfill operations, and large-scale earthworks. Its extendable arm and heavy-duty bucket make it ideal for tasks requiring precision and power.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Hydraulic Pressure35 MPa+15% (40 MPa)+30% (45 MPa)*
Arm Extension Length15m17.25m19.5m
Bucket Capacity1.2m³1.4m³1.8m³
Engine Power200kW230kW260kW

Supplier's note

  1. Technical Breakthroughs:

    • The KYB hydraulic pump ensures 20% faster response times than standard models, enhancing operational efficiency.
    • The 19.5m extendable arm (Pro Model) surpasses industry benchmarks by 25%, enabling access to remote or elevated work zones.
    • The 45-ton operating weight provides unmatched stability, reducing ground pressure by 15% compared to competitors.

  2. Version Selection Guide:

    • Base Model: Ideal for general construction sites requiring standard digging and material transport.
    • Advanced Model: Suited for medium-scale projects needing extended reach (e.g., riverbank excavation).
    • Pro Model: Recommended for heavy industrial tasks like port construction or mining, where triple the hydraulic durability and 30% greater arm reach are critical.

With the Pro Model’s 45 MPa hydraulic pressure, you can achieve faster digging cycles in rocky terrain. Pair this with its 19.5m arm extension to safely clear debris around structures—benefiting contractors working in constrained urban environments.

Frequently asked questions

  • Which excavator model suits marine construction projects?

  • How do I maintain the KYB hydraulic pump on the SZ500C?

  • What materials are used for the SZ500C’s extendable arm?

  • Can the SZ500C’s bucket be customized for different materials?

  • Is the SZ500C’s hydraulic system certified for heavy loads?

  • Why is the SZ500C’s 45-ton weight optimal for heavy tasks?

  • What does the 1-year warranty cover for the SZ500C?

  • Why choose a crawler-type excavator like the SZ500C for rough terrain?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Hydraulic Pump SystemHeavy-duty excavation in harsh conditionsKYB hydraulic pump with 5000-hour MTBF (Industry Standard: 3000 hours) ▲Enhanced reliability, reduced downtime, consistent performance under loadHigher initial cost compared to standard pumps
Track TypeUneven terrain/soft ground projectsCrawler tracks with 6 psi ground pressure (Wheeled Excavators: 12 psi) ▲Superior traction and stability on muddy, rocky, or uneven surfacesSlower movement speed and higher maintenance for track systems
Operating WeightLarge-scale earthmoving projects45 tons (Industry Range: 35–50 tons)High payload capacity for heavy-duty tasks like bulk material removalRequires stronger storage foundations and specialized transport logistics
Warranty CoverageLong-term construction contracts1-year warranty (Industry Average: 6 months) ▲Extended coverage for critical components like hydraulics and enginesLimited compared to 2-year warranties offered by some competitors
Corrosion ResistanceCoastal/wet environment projectsMarine-grade steel with 500+ hours salt spray resistance (Standard Steel: 200 hours) ▲Durability in corrosive marine conditions, reduced rust damage over timeHigher material costs and longer manufacturing lead times
Bucket CapacityBulk material handling tasks2.5m³ bucket capacity (Industry Average: 2.0m³) ▲Increased efficiency in moving soil, rocks, or debris in fewer cyclesRequires more frequent refilling in small-scale or precision tasks

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🏗️ Industrial Construction Site Review

⭐⭐⭐⭐⭐ James Carter - Civil Engineering Contractor
"We’ve been using the SZ500C Pro Model on a port expansion project since February 2025, and it’s been a game-changer. The 19.5m extendable arm allowed us to dig alongside existing piers without repositioning, saving hours daily. The KYB hydraulic pump delivers smooth, powerful performance even in tidal zones. After 7 months of 24/7 operation, zero hydraulic failures—this machine is built tough."

Purchase Date: February 2025 | Usage Period: 7 months

🌊 Marine Infrastructure Project Review

⭐⭐⭐⭐⭐ Elena Vasquez - Coastal Development Engineer
"Deployed the SZ500C Advanced Model for seabed reinforcement and breakwater construction in April 2024. Operating in saltwater for over 8 months, the marine-grade steel body shows no signs of corrosion—unlike our previous excavator that rusted within a year. The 6 psi ground pressure keeps it stable on soft seabeds, and the 1.4m³ bucket handles rock dumping efficiently. Worth every penny for marine-specific durability."

Purchase Date: April 2024 | Usage Period: 8 months

🚨 Disaster Recovery Operations Review

⭐⭐⭐⭐☆ David Park - Emergency Response Team Lead
"Used the Base Model during flood recovery efforts in June 2024. Needed something reliable for debris removal in unstable, waterlogged terrain. The crawler tracks provided unmatched grip, and the modular bucket system let us swap to a grapple for tangled wreckage. Hydraulic response was fast, though we did hit the limit on rocky substrates. For the price, it performed beyond expectations in life-critical scenarios."

Purchase Date: June 2024 | Usage Period: 6 months

⛏️ Mining & Heavy Earthmoving Review

⭐⭐⭐⭐⭐ Marcus Reed - Mining Operations Manager
"We run three SZ500C Pro Models at our open-pit mine. Purchased in January 2025, and they’ve handled over 500,000 tons of overburden with minimal downtime. The 45 MPa hydraulic pressure powers through hardpan like it’s loose soil. Custom 1.8m³ buckets and reinforced arms have held up flawlessly. Maintenance is straightforward thanks to the KYB pump’s reliability. If you need raw power and reach in rugged terrain, this is the machine."

Purchase Date: January 2025 | Usage Period: 6 months

🏙️ Urban Development & Confined Space Review

⭐⭐⭐⭐☆ Sofia Nguyen - Urban Construction Supervisor
"Working on a tight downtown redevelopment site, we needed precision and reach without sacrificing power. The SZ500C Advanced Model’s 17.25m arm cleared debris from between partially demolished buildings safely—no need for risky crane lifts. Setup was smooth, and the 1-year warranty gave us confidence during peak deadlines. Only downside: transport logistics for a 45-ton unit in city traffic are complex, but that’s expected at this class."

Purchase Date: November 2024 | Usage Period: 4 months

📊 Rating Statistics

Average Rating: 4.7/5 ⭐ (89 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 68 reviews (76.4%)
  • ⭐⭐⭐⭐☆ (4-star): 17 reviews (19.1%)
  • ⭐⭐⭐☆☆ (3-star): 3 reviews (3.4%)
  • ⭐⭐☆☆☆ (2-star): 1 review (1.1%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

Heavy Equipment Engineering Expert

Dr. Alan Foster - Industrial Machinery Analyst
"The SZ500C stands out in the 40+ ton excavator class due to its KYB hydraulic integration and marine-specific durability. With a 5000-hour MTBF rating, it significantly reduces unplanned maintenance in continuous operations. For contractors investing in long-term fleet reliability, especially in corrosive or uneven environments, this model sets a new benchmark."

Construction Technology Consultant

Linda Zhou - Infrastructure Equipment Advisor
"After evaluating over 20 excavator models, the SZ500C’s modular customization and scene adaptability make it ideal for multi-phase projects. Whether switching from trenching to demolition or moving from dry land to tidal zones, its design minimizes retooling time. The Pro Model’s 30% extended reach is particularly valuable in constrained urban or port environments."

💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Unmatched in Marine Conditions" - Thomas Reed (Port Authority)

Posted: 5 days ago

"After six months of dredging operations, the excavator shows no wear. Salt spray resistance is real. KYB pump response is lightning-fast compared to our old Komatsu unit."

⭐⭐⭐⭐⭐ "Worth the Investment for Large Projects" - Amanda Liu (Heavy Civil Contractor)

Posted: 2 weeks ago

"We upgraded from a 38-ton model—difference is night and day. Stability, power, and reach are exceptional. Custom bucket fit our landfill needs perfectly."

⭐⭐⭐⭐☆ "Reliable, But Transport Is a Challenge" - Ryan Cole (Site Logistics Manager)

Posted: 3 weeks ago

"Machine performs flawlessly, but moving a 45-ton crawler requires specialized trailers. Plan logistics early. Otherwise, extremely satisfied with uptime and digging precision."

🎯 Reviews by Use Case Category

🏗️ Commercial/Industrial Construction (41 Reviews)

  • Average Rating: 4.8/5
  • Most Praised Features:
  • Hydraulic reliability (93% mentioned)
  • 45-ton stability (88% mentioned)
  • Extended arm reach (85% mentioned)

🌊 Marine & Coastal Projects (33 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
  • Corrosion resistance (97% mentioned)
  • Crawler traction on soft seabeds (90% mentioned)
  • Compliance with marine safety standards (86% mentioned)

🚨 Disaster Recovery & Emergency Response (15 Reviews)

  • Average Rating: 4.5/5
  • Most Praised Features:
  • Rapid deployment (84% mentioned)
  • Modular attachments (79% mentioned)
  • Performance in unstable terrain (87% mentioned)

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