What is a Used Crawler Digger?
A used crawler digger, also known as an excavator, is a heavy-duty construction machine designed for digging and earthmoving operations. It consists of a tracked undercarriage, a hydraulically powered boom, arm, and bucket, and a rotating cab that houses the operator.
Why Buy a Used Crawler Digger?
Lower Cost: Used crawler diggers offer significant savings compared to new models.
Proven Reliability: Used machines have often undergone extensive maintenance and repairs, ensuring reliability.
Immediate Availability: Used diggers are readily available for immediate purchase.
Versatility: Crawler diggers can handle a wide range of digging, trenching, and material handling tasks.
Environmental Impact: Reusing used equipment reduces waste and promotes sustainability.
Factors to Consider When Buying a Used Crawler Digger
Condition: Inspect the machine thoroughly for any damage or signs of wear.
Maintenance History: Request maintenance records to assess the machine's past servicing.
Hours of Operation: Higher hours of operation may indicate the need for future repairs.
Attachments: Consider the availability of attachments such as buckets, hammers, and trenchers.
Brand and Model: Research different brands and models to find the best match for your specific needs.
How to Maintain a Used Crawler Digger
Regular Servicing: Follow the manufacturer's recommended maintenance schedule for oil changes, filter replacements, and hydraulic system inspections.
Track Tension: Regularly adjust and check the track tension to ensure proper operation.
Hydraulic Fluid: Monitor hydraulic fluid levels and replace as needed to prevent damage to the system.
Lubrication: Grease and lubricate all moving parts, such as the swing bearing, boom pins, and bucket pivot.
Storage: Protect the machine from the elements when not in use to prevent corrosion and rust.
Types of Used Crawler Diggers
Mini Excavators: Compact and versatile, ideal for smaller digging projects and confined spaces.
Midi Excavators: Medium-sized machines with greater reach and load capacity.
Large Excavators: Powerful and efficient machines for large-scale earthmoving and excavation projects.
Specialty Excavators: Designed for specific applications, such as long-reach excavators for deep excavations or demolition excavators with reinforced booms.
Benefits of Using a Used Crawler Digger
Increased Productivity: Efficient and powerful machines can significantly increase productivity on construction sites.
Reduced Labor Costs: Crawler diggers automate digging and earthmoving tasks, reducing the need for manual labor.
Enhanced Safety: Enclosed cabs and operator safety features protect operators from hazards.
Environmental Protection: Used machines reduce waste and promote sustainability.
Experience Tips for Using a Used Crawler Digger
Operator Training: Proper training is essential for safe and efficient operation.
Jobsite Assessment: Evaluate the job site to determine the appropriate size and type of digger.
Ground Preparation: Ensure the ground is stable and free from obstacles before digging.
Bucket Selection: Select the best bucket type and size for the specific task.
Hydraulic System Management: Monitor hydraulic fluid levels, pressures, and temperature to prevent overheating and damage.
Table 1: Estimated Cost of Used Crawler Diggers
| Size | Average Cost |
| Mini Excavator | $10,000-$30,000 |
| Midi Excavator | $30,000-$75,000 |
| Large Excavator | $75,000-$250,000 |
Table 2: Recommended Maintenance Schedule for Crawler Diggers
| Service | Interval |
| Oil Change | 500 hours |
| Filter Replacements | 250 hours |
| Hydraulic System Inspection | 100 hours |
| Track Tension Adjustment | As needed |
| Lubrication | 50 hours |
Tengze est un célèbre fournisseur de machines de construction d'occasion, et chaque machine d'occasion fournie est certifiée et est soumise à une inspection approfondie et rigoureuse utilisant les dernières technologies.
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