Caterpillar camshaft 8N3891 7C3864 4P2942 China manufacturer supplier Caterpillar 3306 engine parts

◆ Product Overview
A premium, precision-ground camshaft engineered for the legendary Caterpillar 3306 industrial diesel engine. This critical component from a certified China manufacturer serves as a direct replacement for OEM part numbers 8N3891 (8N-3891), 7C3864 (7C-3864), and 4P2942 (4P-2942). Designed for durability and precise valve timing, it delivers OEM-equivalent performance for major engine overhauls and rebuilds in construction, mining, power generation, and heavy truck applications.

◆ Manufacturer Information
✓ Manufacturer Type: China Heavy-Duty Industrial Engine Parts Specialist
✓ Certification: ISO 9001:2015, IATF 16949 Certified
✓ Specialization: Caterpillar 3300 Series Engine Components
✓ Supply Model: Factory Direct to Global Mining, Construction & Power Gen Markets

◆ Part Number & Application
✓ OEM Part Numbers: 8N3891 / 8N-3891, 7C3864 / 7C-3864, 4P2942 / 4P-2942
✓ Engine Model: Caterpillar 3306 Diesel Engine
✓ Application: Complete Engine Overhaul & Major Rebuild
✓ Primary Use: Construction Equipment (Excavators, Dozers), Mining Trucks, Generator Sets, Heavy-Duty Trucks

◆ Product Specifications
✓ Product Type: Heavy-Duty Forged & Ground Camshaft
✓ Condition: 100% New, Factory Direct Quality
✓ Manufacturer Origin: China Precision Heavy-Duty Manufacturing
✓ OEM Reference: Direct Replacement for Caterpillar 3306 Specifications
✓ Key Feature: Precision-ground lobes and journals to restore original engine timing, power, and efficiency

◆ Manufacturing Advantages
✓ 3306 Engine Mastery: Specialized expertise in the Caterpillar 3306 camshaft profiles, critical for engine performance and fuel efficiency.
✓ Premium Forging & Machining: Starts with a high-quality forging, followed by state-of-the-art CNC machining and precision grinding for exact lobe profiles.
✓ Advanced Heat Treatment: Utilizes precise induction hardening processes on lobes and journals to achieve optimal surface hardness and core toughness for maximum service life.
✓ Rigorous Dimensional Verification: 100% inspection of all critical dimensions, including lobe lift, base circle, journal diameters, and overall straightness.
✓ Heavy-Duty Validation: Manufactured to withstand the high-stress environment of industrial and mining applications.

◆ Quality Assurance Process
✓ Certified material sourcing for premium camshaft-grade steel forgings.
✓ Complete lobe profile verification using optical comparators and CMM technology against OEM master specifications.
✓ Hardness depth and value testing on all lobes and bearing journals.
✓ Surface finish and micro-geometry analysis to ensure proper lubrication.
✓ Comprehensive run-out and straightness checks to prevent engine vibration.

◆ Supply Chain Management
✓ Production Capacity: Dedicated line for heavy-duty engine camshafts.
✓ Lead Time: 45-55 days for forging, machining, grinding, and hardening processes.
✓ Minimum Order: Competitive MOQ for heavy equipment parts distributors and major rebuild facilities.
✓ Packaging: Custom heavy-duty crate packaging with protective coatings to prevent corrosion and physical damage.
✓ Logistics: Secure global freight for high-value engine components.

◆ Technical Support Services
✓ Detailed specification sheet confirming replacement for 8N3891, 7C3864, and 4P2942.
✓ Installation guidelines including timing procedure and bearing clearance specifications.

◆ Market Applications
✓ Mining & Construction Equipment Rebuilders: Essential component for overhauling 3306 engines in loaders, haul trucks, and excavators.
✓ Power Generation Facilities: Critical for generator set engine overhauls.
✓ Heavy-Duty Truck Engine Shops: Key component for 3306 truck engine rebuilds.