Yanmar camshaft 4TNV98 4TNV94 4TNV88 3TNV88 China manufacturer supplier Yanmar construction machinery engine parts

◆ Product Overview
A precision-machined, high-performance camshaft engineered for the Yanmar 4TNV98, 4TNV94, 4TNV88, and 3TNV88 series of industrial diesel engines. This critical component from a certified China manufacturer is designed to meet the rigorous demands of construction machinery. It provides OEM-equivalent timing, lift, and durability for engine overhauls, rebuilds, and performance restoration, ensuring optimal valve operation and engine power in excavators, loaders, and other heavy equipment.

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

◆ Part Number & Application
✓ Compatible Engine Models: Yanmar 4TNV98, 4TNV94, 4TNV88, 3TNV88
✓ Application: Engine Overhaul, Rebuild, and Major Repair
✓ Primary Use: Construction Machinery (Mini Excavators, Compact Loaders), Industrial Generators, Agricultural Equipment

◆ Product Specifications
✓ Product Type: High-Precision Engine Camshaft
✓ Condition: 100% New, Factory Direct Quality
✓ Manufacturer Origin: China Precision CNC Manufacturing
✓ OEM Reference: Engineered to match original Yanmar TNV series specifications for profile, hardness, and journal dimensions
✓ Key Feature: Precision-ground lobes and journals for optimal valve timing and minimal friction

◆ Manufacturing Advantages
✓ TNV Series Expertise: Specialized knowledge of Yanmar's TNV engine platform cam profiles and hardening requirements.
✓ Advanced CNC Grinding: Utilizes state-of-the-art CNC cam grinding and journal polishing equipment for exact lobe profiles and surface finishes.
✓ Material & Heat Treatment: Manufactured from high-grade alloy steel with precise induction hardening of lobes and journals for exceptional wear resistance.
✓ Rigorous Dimensional Control: 100% inspection of critical dimensions including lobe lift, base circle, and journal diameters to ensure perfect engine timing.
✓ Construction Equipment Focus: Validation testing simulates the high-load, high-hour operating environment of construction machinery.

◆ Quality Assurance Process
✓ Material certification from accredited alloy steel suppliers.
✓ Full dimensional inspection using optical comparators and CMMs to verify lobe profiles against master specifications.
✓ Hardness testing of lobes and journals to ensure proper heat treatment depth and value.
✓ Surface finish and micro-geometry analysis for optimal oil film retention and longevity.
✓ Run-out and straightness verification to prevent engine vibration and premature bearing wear.

◆ Supply Chain Management
✓ Production Capacity: Dedicated precision machining line for engine camshafts.
✓ Lead Time: 40-50 days for precision grinding and hardening processes.
✓ Minimum Order: Competitive MOQ for construction machinery parts distributors and large rebuild shops.
✓ Packaging: Custom protective packaging to prevent damage to precision-ground surfaces during shipping.
✓ Logistics: Secure global shipping to construction equipment hubs and Yanmar dealer networks.

◆ Technical Support Services
✓ Detailed application guide for TNV88/94/98 engine models.
✓ Installation guidelines including bearing clearance checks and timing procedures.

◆ Market Applications
✓ Construction Equipment Service Centers: Essential for overhauling engines in Yanmar-powered mini excavators and loaders.
✓ Industrial Power Units: Critical component for generator set engine rebuilds.
✓ Global Yanmar Parts Distributors: High-value inventory for the construction machinery aftermarket.