Komatsu diesel engine assembly 6D125 6D125-3 6D107 6D140 6D155 6D170 PC400-6 PC200-8 excavator part China supplier complete engine

◆ Product Overview
Extensive range of Komatsu complete diesel engine assemblies covering major excavator models including PC400-6 and PC200-8. Our inventory includes engines 6D125, 6D125-3, 6D107, 6D140, 6D155, and 6D170, supplied as quality used, tested, or professionally rebuilt units. We provide reliable, cost-effective power solutions for the global construction equipment aftermarket.

◆ Supplier Profile
✓ Type: China Specialized Komatsu Heavy Equipment Engine Supplier
✓ Focus: Large-Bore Komatsu Excavator Engine Assemblies
✓ Services: Complete Unit Supply, Core Management, Technical Support
✓ Market: Global Mining, Construction & Quarry Equipment Fleets
✓ Inventory: Major Komatsu D-Series Engines in Stock

◆ Engine Models & Machine Applications
✓ Available Engine Models:

• 6D125 / 6D125-3 (for PC300, PC400 series)

• 6D107 (for PC200-8, PC220 series)

• 6D140 / 6D155 / 6D170 (for PC400-6, PC450, PC650 larger models)
  ✓ Primary Machine Applications:

• Komatsu PC200-8, PC220 Excavators

• Komatsu PC400-6, PC450 Excavators

• Compatible Dozers, Mining Shovels & Heavy Equipment
  ✓ Condition: Used/Tested | Professionally Rebuilt | OEM Remanufactured Options

◆ Product Specifications
✓ Product Type: Complete Engine Assembly (Long Block/Full Assembly)
✓ Condition: Graded Based on Inspection & Testing
✓ Origin: Sourced from Global Fleets, Processed in China Facility
✓ Warranty: Conditional Warranty Matching Unit Grade & Investment
✓ Readiness: Cleaned, Tested & Ready for Installation

◆ Professional Rebuilding Standards
✓ Complete Process: Full teardown, Magnaflux testing, precision machining
✓ Component Replacement: OEM-quality kits for pistons, liners, bearings, seals
✓ Machining Services: In-house line boring, crankshaft grinding, head rebuilding
✓ Validation Testing: Dyno run-in, full-load testing, emissions spot-check
✓ Documentation: Rebuild portfolio with before/after photos & test data

◆ Used Engine Inspection & Grading Protocol
✓ Tier 1 Inspection: Visual inspection for leaks, damage, and completeness
✓ Tier 2 Testing: Compression, blow-by, oil pressure, and coolant system checks
✓ Tier 3 Analysis: Turbo, fuel system, and electronic control unit assessment
✓ Grading System:

• Grade A: Low-hour, excellent condition with full test pass

• Grade B: Moderate-hour, good condition, minor reconditioning may be advised

• Grade C: Core condition, requires rebuild for reliable service
  ✓ Transparency: Full inspection report with video documentation available

◆ Supply Chain & Logistics
✓ Availability: Core models in regional stock, others sourced via global network
✓ Lead Time: 15-30 days for in-stock units; 45-60 days for sourced/rebuild units
✓ Packaging: Custom heavy-duty steel framing for safe ocean freight
✓ Core Exchange: Comprehensive program for rebuildable cores
✓ Logistics: Door-to-door shipping with customs clearance support

◆ Technical & Compatibility Support
✓ Machine-specific installation guidelines and torque specifications
✓ Cross-reference support for engine model to machine serial number
✓ Electrical and hydraulic interface documentation
✓ Adaptation guidance for model updates or inter-series compatibility

◆ Target Applications & Industries
✓ Large Excavator Fleet Maintenance & Overhaul
✓ Mining & Quarry Equipment Lifecycle Management
✓ Heavy Equipment Rental Company Refurbishment
✓ Government & Municipal Fleet Repowering Programs
✓ Emerging Market Equipment Assembly & Distribution

◆ Customer Partnership & Support
✓ Dedicated account management for fleet customers
✓ Pre-purchase virtual inspection and technical review
✓ Inventory planning and procurement strategy consulting
✓ Installation support and field service coordination
✓ Aftermarket parts supply for ongoing maintenance