Komatsu 4D95 engine parts 6207-31-3800 connection rod PC130-7 excavator China supplier

◆ Product Overview
Genuine Komatsu 4D95 engine connecting rod assembly, part number 6207-31-3800, specifically designed for the Komatsu PC130-7 hydraulic excavator. This critical engine component is supplied as a brand new OEM-specification part, providing exact fit and performance to restore your engine's reliability and power.

◆ Supplier Profile
✓ Type: China Authorized Komatsu Engine Parts Specialist
✓ Focus: Komatsu 4D95 Engine Platform Components
✓ Services: Genuine Parts Supply, Technical Specification Support, Small-Lot Orders
✓ Market: Global Komatsu Dealers, Independent Repair Shops, Fleet Maintenance
✓ Certification: ISO 9001:2015 Quality Management System

◆ Part Specifications & Compatibility
✓ OEM Part Number: 6207-31-3800
✓ Part Name: Connecting Rod Assembly (Conrod)
✓ Engine Model: Komatsu 4D95 Diesel Engine
✓ Machine Application: Komatsu PC130-7 Hydraulic Excavator
✓ Additional Compatibility: Other Komatsu machinery using the 4D95 engine platform
✓ Condition: 100% New OEM-Specification Part

◆ Product Features & Specifications
✓ Material: High-strength forged steel with precision machining
✓ Design: I-beam construction for optimal strength-to-weight ratio
✓ Bearings: Includes precision rod bearings sized for exact engine specifications
✓ Bolts: High-tensile strength connecting rod bolts with precise torque specifications
✓ Balancing: Individually balanced to ensure smooth engine operation
✓ Weight: Precisely matched to original specifications for proper engine balance

◆ Manufacturing Quality Standards
✓ Material Certification: Forged from certified high-strength alloy steel
✓ Precision Machining: CNC machining ensures exact dimensional accuracy
✓ Heat Treatment: Proper heat treatment for optimal strength and durability
✓ Surface Finish: Precision grinding and polishing for perfect bearing surface
✓ Quality Control: 100% inspection of critical dimensions and surface quality

◆ Complete Connecting Rod Assembly Includes
✓ Connecting rod body (forged and machined)
✓ Connecting rod cap
✓ High-strength connecting rod bolts and nuts
✓ Precision rod bearings (upper and lower)
✓ Alignment features for proper installation

◆ Technical Data
✓ Length: Center-to-center distance matches original Komatsu specifications
✓ Big End Diameter: Precisely machined for exact bearing fit
✓ Small End Diameter: Sized for perfect piston pin fit
✓ Weight Class: Marked for proper piston/rod assembly matching
✓ Torque Specifications: Factory-recommended bolt torque values provided

◆ Installation Requirements
✓ Professional Installation Required: Critical engine component requiring proper installation
✓ Special Tools Needed: Torque wrench, plastigage for bearing clearance check
✓ Cleaning: Must be thoroughly cleaned before installation
✓ Lubrication: Proper lubrication of bearing surfaces essential
✓ Torque Procedure: Must follow Komatsu factory torque sequence and specifications

◆ Why Choose This Genuine Part?
✓ Exact Fit: Manufactured to original Komatsu specifications for perfect compatibility
✓ Engine Balance: Precisely weighted to maintain original engine balance
✓ Durability: Made from high-quality materials for long service life
✓ Performance: Ensures proper piston alignment and bearing function
✓ Reliability: Eliminates the risk of engine failure due to inferior aftermarket parts

◆ Supply & Logistics
✓ Availability: Typically in stock or available with short lead time
✓ Minimum Order: Single units available (no minimum quantity restrictions)
✓ Packaging: Individual protective packaging to prevent damage
✓ Shipping: Worldwide delivery with tracking available
✓ Documentation: Includes part specification sheet and basic installation notes

◆ Common Applications & Usage
✓ Engine Overhaul: Critical component during complete engine rebuild
✓ Preventive Maintenance: Replacement during scheduled major service
✓ Repair: Replacement of damaged or worn connecting rods
✓ Performance Restoration: Essential for restoring engine compression and power

◆ Quality Assurance
✓ Dimensional Verification: All critical dimensions checked against master specifications
✓ Material Testing: Verification of material composition and hardness
✓ Surface Inspection: Microscopic examination of bearing and mating surfaces
✓ Weight Matching: Verification of weight class specifications
✓ Documentation: Material certificates and inspection reports available

◆ Customer Support
✓ Technical Specifications: Detailed dimensional drawings available upon request
✓ Installation Guidance: Basic installation procedures and torque specifications
✓ Application Verification: Assistance confirming correct part for your engine serial number
✓ Bulk Pricing: Competitive pricing for larger quantity orders

◆ Important Installation Notes
✓ Always replace connecting rods in complete sets when rebuilding an engine
✓ Verify bearing clearances using proper measuring techniques
✓ Follow factory torque specifications and sequences exactly
✓ Ensure proper cleaning and lubrication during assembly
✓ Consider replacing piston pins and bearings as part of complete assembly