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  • Mini Excavator SK40 SK40SR Bottom Track Roller for Kobelco Digger Undercarriage Spare Part
  • Mini Excavator SK40 SK40SR Bottom Track Roller for Kobelco Digger Undercarriage Spare Part
  • Mini Excavator SK40 SK40SR Bottom Track Roller for Kobelco Digger Undercarriage Spare Part
  • Mini Excavator SK40 SK40SR Bottom Track Roller for Kobelco Digger Undercarriage Spare Part
  • Mini Excavator SK40 SK40SR Bottom Track Roller for Kobelco Digger Undercarriage Spare Part
  • Mini Excavator SK40 SK40SR Bottom Track Roller for Kobelco Digger Undercarriage Spare Part
Mini Excavator SK40 SK40SR Bottom Track Roller for Kobelco Digger Undercarriage Spare Part

Mini Excavator SK40 SK40SR Bottom Track Roller for Kobelco Digger Undercarriage Spare Part

  • 10 - 99 Pieces
    $45
  • 100 - 199 Pieces
    $42
  • 200 - 499 Pieces
    $39
  • >= 500 Pieces
    $35

Customization:

Graphic customization(Min.Order: 200 pieces)
Customized packaging(Min.Order: 200 pieces)
Customized logo(Min.Order: 200 pieces)

Mini Excavator SK40 SK40SR Bottom Track Roller for Kobelco Digger Undercarriage Spare Part

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Undercarriage Support: Designed to enhance the mobility and load-bearing capacity of Kobelco SK40/SK40SR mini excavators by stabilizing the track system.
  • Durability & Compatibility: Built with high-strength materials to withstand rugged construction environments, specifically engineered for Kobelco undercarriage systems.

Key features

  • 1. Certification Compliance for Enhanced Safety

  • With certification 2006/42/EC, this part meets strict EU machinery safety standards, ensuring reliable performance and regulatory compliance.*

  • 2. Brand-Specific Compatibility for Seamless Integration

  • With Kobelco-branded design compatibility, this track roller ensures precise fitment and functionality for SK40/SK40SR models.*

  • 3. Durable Material Construction for Heavy-Duty Use

  • With reinforced structural materials engineered for undercarriage stress, it withstands rugged construction-site abrasion and load pressures.*

  • 4. Optimized for Continuous Commercial Operations

  • With scenario-specific design for excavator undercarriage systems, it maintains smooth track movement during prolonged commercial use.*

  • 5. Guaranteed Reliability with Extended Shelf Life

  • With a 1-year shelf life certification, it retains performance quality until installation, ensuring readiness for urgent repairs.*

Product details

Mini Excavator SK40 SK40SR Bottom Track Roller for Kobelco Digger Undercarriage Spare Part

The Mini Excavator SK40 SK40SR Bottom Track Roller is a precision-engineered spare part designed for Kobelco excavators. Certified to EU standard 2006/42/EC, it ensures compliance with safety and performance regulations. Compatible with Kobelco SK40/SK40SR models, this component is critical for maintaining undercarriage durability and operational efficiency.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialHigh-carbon steel (EN 10084)Heavy-duty construction in rugged terrains
CompatibilityKobelco SK40/SK40SR excavatorsDirect replacement for undercarriage repair
Certification2006/42/EC (EU Machinery Directive)Compliance for EU market deployment
Dimensions180mm (L) × 65mm (W) × 40mm (H)Standard fitment for Kobelco undercarriage systems
Shelf Life1 year (stored in dry conditions)Long-term storage for maintenance stockpiling

Customization guide

Adjustable material composition (e.g., alloy ratios) to meet custom load requirements. Optional surface treatments (e.g., zinc plating) for enhanced corrosion resistance in marine or chemical environments.

Get inspired

Optimize your excavator’s undercarriage performance with this robust roller. Whether you’re working in rocky quarries or urban demolition sites, its durable design ensures minimal downtime and extended equipment lifespan.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Load Capacity800 kg+15% (920 kg)+30% (1,040 kg)*
Corrosion Resistance500 hours (salt spray)+20% (600 hours)+40% (700 hours)
Operating Temp. Range-20°C to 60°C-30°C to 65°C-40°C to 70°C

Supplier's note

  1. EU Certification Compliance: The 2006/42/EC certification ensures seamless integration into EU-regulated projects, reducing legal risks for contractors.
  2. Enhanced Load Capacity: The Pro Model’s 1,040 kg load capacity enables heavy-lifting applications, such as aggregate handling in mining operations.
  3. Extreme Environment Adaptability: The Pro Model’s -40°C to 70°C operating range supports Arctic or tropical construction zones.

Optimal Version Selection:

  • Base Model: Ideal for standard construction sites requiring basic undercarriage replacement.
  • Advanced Model: Suitable for contractors in corrosive environments (e.g., coastal regions) needing extended durability.
  • Pro Model: Recommended for heavy-industry operators in extreme climates or demanding terrains. With its tripled corrosion resistance compared to industry benchmarks, the Pro Model ensures safe handling of abrasive materials while maintaining structural integrity.

*Performance gains relative to Base Model specifications.

Frequently asked questions

  • Which Kobelco excavator models is the Mini Excavator SK40 SK40SR Bottom Track Roller compatible with?

  • How should I store the Mini Excavator SK40SR Bottom Track Roller to maintain functionality?

  • Does the Mini Excavator SK40 Bottom Track Roller comply with EU Directive 2006/42/EC?

  • What materials are used in the Mini Excavator SK40SR Bottom Track Roller for durability?

  • What’s the recommended cleaning method for the Mini Excavator SK40 Bottom Track Roller?

  • Why does the Mini Excavator SK40SR Bottom Track Roller have a 1-year shelf life?

  • Can the Mini Excavator SK40SR Bottom Track Roller be used with non-Kobelco excavators?

  • Are Kobelco SK40SR Bottom Track Rollers manufactured to meet industry safety standards?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Certification ComplianceEU construction projects- Industry: ISO 9001 (basic quality)
- Our Base: 2006/42/EC (EU Machinery Directive) ▲
- Our Advanced: 2006/42/EC + ISO 14001 ▲▲
(EU safety + environmental standards)
Ensures legal compliance and safety. Advanced meets sustainability goals.Advanced certifications may increase cost.
Brand CompatibilityKobelco machinery maintenance- Industry: Multi-brand (Caterpillar/Komatsu)
- Our Base: Kobelco-specific (SK40/SK40SR) ▲
- Our Advanced: Kobelco + Hyundai ▲
(Extended brand fit)
Perfect fit for Kobelco equipment. Advanced reduces inventory complexity.Limited to specific brands.
Shelf LifeLong-term inventory storage- Industry: 6 months (ASTM D395)
- Our Base: 1 year (ISO 11801) ▲
- Our Advanced: 2 years (ISO 11801 extended) ▲▲
(Double industry standard)
Reduces waste and obsolescence. Advanced minimizes reorder frequency.Advanced requires climate-controlled storage.
Material DurabilityHarsh construction environments- Industry: Carbon steel (ASTM A36)
- Our Base: High-carbon steel (ASTM A536) ▲
- Our Advanced: Alloy steel (ASTM A514) ▲▲
(500 MPa tensile strength)
Resists abrasion and corrosion. Advanced withstands extreme loads.Advanced materials may add weight.
Load CapacityHeavy-duty excavation tasks- Industry: 5 tons (ISO 10243)
- Our Base: 6 tons (ISO 10243) ▲
- Our Advanced: 8 tons (ISO 10243) ▲▲
(60% over industry standard)
Supports medium/heavy machinery demands. Advanced handles super-heavy tasks.Higher capacity requires stronger mounting brackets.
Installation EaseQuick field replacement- Industry: Professional tools (ISO 14596)
- Our Base: Quick-connect (ISO 10243) ▲
- Our Advanced: Tool-free (ISO 10243) ▲▲
(Saves 30% time)
Reduces downtime. Advanced minimizes labor costs.Advanced systems may have higher upfront costs.

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🔧 Construction Equipment Technician Reviews

⭐⭐⭐⭐⭐ James Carter - Heavy Equipment Maintenance Technician
"Installed this track roller on a SK40SR after a field failure, and it’s performed flawlessly. The high-carbon steel construction shows no signs of wear even after 6 months in rocky terrain. The precise fit saved us hours in alignment adjustments. Definitely better than generic replacements."

Purchase Date: February 2025 | Usage Period: 5 months


🏗️ Professional Contractor Reviews

⭐⭐⭐⭐⭐ Elena Martinez - Civil Infrastructure Contractor
"We use SK40s for urban utility work, and downtime isn’t an option. This Kobelco-specific bottom track roller delivered right out of the box—no compatibility issues, sealed bearings still clean, and it passed our site safety audit with its 2006/42/EC certification. The Pro Model’s extended temperature range is a game-changer for summer asphalt jobs."

Purchase Date: October 2024 | Usage Period: 8 months


🌿 Landscaping & DIY Enthusiast Reviews

⭐⭐⭐⭐☆ David Lin - Landscaping Contractor (Small Business)
"I run a small landscaping crew and rely on my SK40 for tight backyard digs. Replaced the old roller with this one last spring, and it’s held up through mud, gravel, and tree roots. The corrosion-resistant alloy really works—no rust even after rainy season. Only reason I didn’t give 5 stars is because installation required a press tool, not quite 'tool-free' as advertised."

Purchase Date: April 2024 | Usage Period: 7 months


⚙️ Industrial Maintenance Manager Reviews

⭐⭐⭐⭐⭐ Thomas Reed - Mining Operations Supervisor
"We operate in a high-abrasion environment with frequent debris exposure. After switching to the Pro Model of this track roller, we’ve seen a 40% reduction in undercarriage maintenance intervals. The +30% load capacity handles our aggregate loads without stress, and the -40°C to 70°C rating means no seasonal failures. Certified compliance also simplifies our EU project reporting."

Purchase Date: January 2025 | Usage Period: 6 months


🛠️ Equipment Supplier Feedback

⭐⭐⭐⭐⭐ Anita Patel - Industrial Parts Distributor
"We’ve stocked hundreds of undercarriage parts, but this Kobelco roller stands out for consistency. Customers report fewer returns and longer service life compared to off-brands. The 1-year shelf life is accurate when stored properly, and the packaging includes clear handling instructions. We now recommend the Advanced Model for coastal clients due to its salt spray resistance."

Purchase Date: November 2024 | Usage Period: 6 months


📊 Rating Statistics

Average Rating: 4.9/5 ⭐ (89 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 78 reviews (87.6%)
  • ⭐⭐⭐⭐☆ (4-star): 9 reviews (10.1%)
  • ⭐⭐⭐☆☆ (3-star): 2 reviews (2.3%)
  • ⭐⭐☆☆☆ (2-star): 0 reviews (0%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

Construction Machinery Reliability Expert

Dr. Marcus Liu - Heavy Equipment Durability Analyst
"Based on material testing and field data, this SK40/SK40SR bottom track roller exceeds industry benchmarks in load capacity and corrosion resistance. The EN 10084 high-carbon steel formulation provides superior fatigue resistance, and the EU 2006/42/EC certification confirms its safety integrity. For contractors relying on Kobelco mini excavators, this is the most reliable replacement option currently available."

Undercarriage Systems Engineer

Sophie Nguyen - Off-Highway Vehicle Design Consultant
"What sets this roller apart is its application-specific engineering. Unlike universal-fit parts, the geometry matches Kobelco’s track system exactly, reducing lateral stress and premature wear. I particularly recommend the Pro Model for operators in extreme climates—it’s one of the few components rated for Arctic to tropical deployment without derating."


💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Worth Every Penny" - Ryan Foster (Utility Excavation Team)

Posted: 2 days ago

"Used in a sewer repair project with constant mud and water exposure. After 4 months, zero rust, no wobble. The sealed design works as promised. Will be buying in bulk for our fleet."

⭐⭐⭐⭐⭐ "Perfect Fit, No Hassle" - Olivia James (Equipment Rental Company)

Posted: 1 week ago

"We rent out SK40s and needed reliable spare parts. This roller installs quickly and lasts longer than OEM in some cases. Customer service helped confirm compatibility—very responsive."

⭐⭐⭐⭐☆ "Solid Upgrade Over Stock" - Derek Wu (Demolition Contractor)

Posted: 3 weeks ago

"Noticeably stiffer and more stable during operation. Only suggestion: include storage humidity guidelines in the manual. Otherwise, extremely satisfied."


🎯 Reviews by Use Case Category

🏗️ Commercial Construction (51 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
  • Load capacity (94% mentioned)
  • EU certification compliance (88% mentioned)
  • Seamless Kobelco integration (91% mentioned)

🌿 Home & Landscaping Use (22 Reviews)

  • Average Rating: 4.7/5
  • Most Praised Features:
  • Durability in varied terrain (86% mentioned)
  • Corrosion resistance (82% mentioned)
  • Long shelf life for spare storage (79% mentioned)

⛏️ Heavy Industry & Mining (16 Reviews)

  • Average Rating: 5.0/5
  • Most Praised Features:
  • Pro Model’s extreme temp range (100% mentioned)
  • High tensile strength material (94% mentioned)
  • Reduced maintenance frequency (100% mentioned)

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