Considerations for Purchasing a 2008 Kobelco 70SR with 2,508 Hours

[MikePhua]

Purchasing a used compact excavator like the 2008 Kobelco 70SR with 2,508 operating hours requires a careful evaluation of its condition, history, and suitability for intended use. The 70SR model is known for its reliability and maneuverability, but understanding key factors before acquisition can help buyers avoid costly mistakes and ensure a sound investment.
Overview of the Kobelco 70SR

• Model Type: Compact short-radius excavator designed for tight working spaces.
  
• Engine: Typically equipped with a turbocharged diesel engine offering balanced power and fuel efficiency.
  
• Operating Hours: 2,500+ hours is moderate use for a 15-year-old machine.
  
• Features: Hydraulic systems supporting auxiliary functions, comfortable operator cabin, and durable undercarriage.
  
• Common Applications: Utility work, landscaping, small to medium construction jobs.
  

Important Factors to Evaluate Before Purchase

• Service and Maintenance History: Review detailed records for regular oil changes, filter replacements, and major repairs.
  
• Undercarriage Condition: Inspect tracks, rollers, sprockets, and idlers for wear; these are costly to replace.
  
• Hydraulic System Health: Look for leaks, unusual noises, or slow responses.
  
• Engine Performance: Check for smooth start-up, steady idle, and no excessive smoke.
  
• Attachment Condition: Assess bucket teeth, pins, and bushings.
  
• Structural Integrity: Examine boom, stick, and frame for cracks or repairs.
  
• Usage Type: Understand prior usage intensity (light landscaping vs heavy excavation).
  
• Hours vs Age: Moderate hours for a machine this age can be positive if well maintained.
  

Potential Advantages of Buying This Model

• Short-radius design allows operation in confined spaces.
  
• Moderate hours suggest remaining service life if properly maintained.
  
• Kobelco's reputation for durable hydraulics and engine design.
  
• Availability of parts and knowledgeable service technicians.
  
• Often priced competitively compared to newer models.
  

Common Concerns and Risks

• Possible wear on undercarriage components due to age.
  
• Hydraulic system seals and hoses may need replacement.
  
• Electronics and sensors might show faults after many years.
  
• Potential for hidden damage from previous heavy use or accidents.
  
• Maintenance may have been deferred, impacting reliability.
  

Inspection Checklist

• Visually check for oil leaks around hydraulic cylinders and pumps.
  
• Test all machine functions including boom, arm, bucket, and travel.
  
• Listen for abnormal engine noises or excessive smoke.
  
• Measure track tension and check for uneven wear.
  
• Examine operator controls and safety equipment.
  
• Verify cleanliness and condition of filters and fluids.
  
• Request a diagnostic scan if available.
  

Terminology Explained

• Undercarriage: The track system including rollers, sprockets, and track shoes.
  
• Hydraulic System: Components managing fluid power for machine movements.
  
• Short-Radius (SR): Compact design minimizing tail swing for tight areas.
  
• Operating Hours: Total hours the machine has been used.
  
• Boom and Stick: Primary arm sections controlling reach and digging depth.
  
• Bucket Teeth: Replaceable tips on the bucket edge that aid digging.
  
• Diagnostic Scan: Electronic test of machine systems to detect faults.
  

Case Story: Buying a Used Kobelco 70SR
A landscaping company purchased a 2008 Kobelco 70SR with around 2,600 hours. They conducted a thorough inspection, finding minor hydraulic leaks and some undercarriage wear. After investing in seal replacements and track adjustments, the machine performed reliably for several years, proving to be a cost-effective purchase that met their operational needs.
Industry Advice
Experts recommend never relying solely on hours when evaluating used equipment. Instead, the overall condition, maintenance records, and proper inspection weigh more heavily. Many older machines with moderate hours remain highly functional if cared for correctly.
Summary
The 2008 Kobelco 70SR with approximately 2,508 hours can be a solid used equipment purchase if evaluated properly. Key considerations include maintenance history, undercarriage and hydraulic condition, and intended application. Buyers should conduct detailed inspections and factor in potential maintenance costs. When chosen wisely, this model offers maneuverability, durability, and reliable performance in compact excavation roles.