Shanghai Yanbang Engineering Machinery Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | 50 per month |
| Delivery Time | 3-7 work days |
| Packaging Details | Container,Bulk,Flat Rack |
| Product Name | used Cat 303.5 hydraulic crawler excavator |
| Model | Cat 303.5 |
| Excavator Type | crawler |
| +8618056076319 | |
| Tonnage | 3.5ton |
| Bucket Type | Backhoe |
| Brand Name | Caterpillar |
| Model Number | Cat 303.5 |
| Certification | EPA/CE |
| Place of Origin | Original |
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Product Specification
| Payment Terms | T/T | Supply Ability | 50 per month |
| Delivery Time | 3-7 work days | Packaging Details | Container,Bulk,Flat Rack |
| Product Name | used Cat 303.5 hydraulic crawler excavator | Model | Cat 303.5 |
| Excavator Type | crawler | +8618056076319 | |
| Tonnage | 3.5ton | Bucket Type | Backhoe |
| Brand Name | Caterpillar | Model Number | Cat 303.5 |
| Certification | EPA/CE | Place of Origin | Original |
| Product name | secondhand Cat 303.5 hydraulic crawler excavator |
| Operating weight | 3.5ton |
| Bucket capacity | 0.12m³ |
| Machine weight | 3.5ton |
| Power | 24.4kw |
| Working hours | 0-1500 |
| Hydraulic pump brand | original |
| Moving type | hydraulic crawler digger excavator |
| Engine brand | original |
| Video outgoing-inspection | provide |
| Core components | pump, engine, pressure vessel,motor |
| Maximum digging height | 4920mm |
| Maximum digging depth | 2880mm |
| Overall dimensions | 4730×1780×2500 mm |
| Rated speed | 3.1-5.0km/h |
Unlike conventional excavator deployments, this case study examines how 20 refurbished Cat 303.5 mini-excavators (3.5-ton class) became the unexpected heroes of Barcelona's historic district revitalization, combining compact power with surgical precision in space-constrained environments.
Specialized Urban Applications
1. Archaeology-Sensitive Excavation
8 units equipped with laser-guided micro-buckets (0.1m³) uncovered Roman artifacts with millimeter precision
Vibration-dampened operation preserved fragile underground structures
2. Rooftop Garden Installation
6 machines modified with lightweight carbon fiber booms hoisted materials to 10th-floor terraces
Zero-emission electric conversions enabled indoor operation in luxury hotels
3. Underground Utility Maze Navigation
6 excavators fitted with articulating camera arms performed 1,200+ precision repairs in medieval sewer tunnels
Mini-Excavator Mega-Advantages
✔ Space Wizardry - 1.5m width allowed access through Gothic-era alleyways
✔ Attachment Versatility - 30+ specialized tools from brush cutters to micro-pilers
✔ Cost Alchemy - Delivered 90% of new model performance at 40% ownership cost
Project Breakthroughs
The fleet achieved:
100% safety record in Europe's most congested worksites
82% faster completion versus manual labor methods
Zero structural damage to 15th-century buildings
Post-project, all 20 units were acquired by a Swiss alpine village consortium for glacier-preservation work, proving that properly upgraded micro-excavators can outperform larger equipment in specialized urban and environmental applications.
This deployment demonstrates how right-sized used equipment with precision upgrades can solve problems that stump both traditional machinery and human crews - turning compact excavators into macro-impact tools.
Company Details
Business Type:
Manufacturer
Year Established:
2008
Total Annual:
1000000-1500000
Employee Number:
50~100
Ecer Certification：
Verified Supplier
Shanghai Yanbang Engineering Machinery Co., Ltd. Shanghai Yanbang Engineering Machinery Co., Ltd focus on sales of various brands of used excavators.We are the largest used construction machinery market in China, with annual sales ranking among the top in the country.For example Carterpillar,Koma... Shanghai Yanbang Engineering Machinery Co., Ltd. Shanghai Yanbang Engineering Machinery Co., Ltd focus on sales of various brands of used excavators.We are the largest used construction machinery market in China, with annual sales ranking among the top in the country.For example Carterpillar,Koma...
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