Komatsu camshaft 6735411111 673541-1111 China manufacturer supplier Komatsu 6D102 engine parts PW220-7H PW200-7 PC220-7 excavator components

◆ Product Overview
A high-precision, heavy-duty camshaft engineered for the Komatsu 6D102 series diesel engine. This critical component from a certified China manufacturer serves as a direct replacement for OEM part number 673541-1111 (6735411111), and is also compatible with related part numbers 3929886, 3907824, 3929041. Specifically designed for the demanding cycles of mid-to-large size excavators, it restores precise valve timing and engine performance for overhauls and rebuilds in Komatsu models including the PW220-7H, PW200-7, PC220-7, PC220-6, and PC200-6, ensuring reliable power and operational efficiency.

◆ Manufacturer Information
✓ Manufacturer Type: China Construction Machinery Engine Parts Specialist
✓ Certification: ISO 9001:2015, IATF 16949 Certified
✓ Specialization: Komatsu 6D Series Engine Components
✓ Supply Model: Factory Direct to Global Construction & Mining Equipment Markets

◆ Part Number & Application
✓ OEM Part Number: 673541-1111 / 6735411111
✓ Related Part Numbers: 3929886, 3907824, 3929041
✓ Engine Model: Komatsu 6D102 Diesel Engine
✓ Host Equipment: Komatsu Excavator Models PW220-7H, PW200-7, PC220-7, PC220-6, PC200-6
✓ Application: Major Engine Overhaul, Rebuild, and Critical Repair

◆ Product Specifications
✓ Product Type: Heavy-Duty Engine Camshaft
✓ Condition: 100% New, Factory Direct Quality
✓ Manufacturer Origin: China Precision CNC Manufacturing
✓ OEM Reference: Direct Replacement for Komatsu 6D102 Specifications
✓ Key Feature: Precision-ground to meet the specific power and torque delivery requirements of the PC200/220 and PW series excavators

◆ Manufacturing Advantages
✓ PC/PW Series Expertise: Specialized focus on the Komatsu 6D102 engine that powers the high-population PC200-6/7 and PC220-6/7 series, as well as the PW wheeled excavators.
✓ Advanced Cam Grinding Technology: Utilizes state-of-the-art CNC grinding to replicate exact OEM lobe profiles for optimal valve timing, power, and fuel efficiency across a range of machine applications.
✓ Material & Heat Treatment: Manufactured from high-grade alloy steel with precise induction hardening on lobes and journals for exceptional wear resistance in high-hour, variable-load applications.
✓ Rigorous Quality Control: 100% inspection of critical dimensions ensures perfect fitment, correct timing, and smooth engine operation.
✓ Multi-Model Validation: Products are validated against the operational profiles of both tracked (PC) and wheeled (PW) excavator variants.

◆ Quality Assurance Process
✓ Material certification from suppliers of premium camshaft-grade steel.
✓ Full-profile inspection using optical comparators and CMM against Komatsu master specifications.
✓ Hardness testing to verify proper heat treatment depth and value on all lobes and bearing journals.
✓ Surface finish and micro-geometry analysis for optimal oil film retention.
✓ Comprehensive straightness and run-out verification to prevent engine vibration.

◆ Supply Chain Management
✓ Production Capacity: Dedicated high-volume precision line for this widely used engine component.
✓ Lead Time: 45-55 days for precision grinding and hardening processes.
✓ Minimum Order: Competitive MOQ for construction machinery distributors and large excavator workshops.
✓ Packaging: Custom protective packaging with VCI (Vapor Corrosion Inhibitor) to safeguard precision surfaces during international shipping.
✓ Logistics: Secure global shipping to major construction equipment hubs and dealer networks.

◆ Technical Support Services
✓ Detailed application guide for PC200-6, PC220-7, PW200-7, PW220-7H excavator compatibility.
✓ Installation guidelines including timing procedure and bearing clearance specifications.

◆ Market Applications
✓ Excavator Service Centers & Dealerships: Essential for overhauling engines in some of the world's most common excavator models (PC200/220 series).
✓ Wheeled Excavator Specialists: Critical spare part for the Komatsu PW series.
✓ Global Komatsu Parts Distributors: High-demand inventory item for a vast global fleet of machines.