Daewoo camshaft D1146 China manufacturer supplier Daewoo Doosan DH220-3 DH280-3 excavator engine parts

◆ Product Overview
A high-precision, heavy-duty camshaft engineered for the Daewoo D1146 series diesel engine. This critical component from a certified China manufacturer is specifically designed to restore precise valve timing and engine performance for major overhauls and rebuilds in Daewoo (now Doosan) excavator models DH220-3 and DH280-3. It ensures reliable power delivery and durability for these mid-to-large size excavators in demanding construction and mining applications.

◆ Manufacturer Information
✓ Manufacturer Type: China Heavy Construction Machinery Engine Parts Specialist
✓ Certification: ISO 9001:2015, IATF 16949 Certified
✓ Specialization: Daewoo/Doosan Excavator Engine Components
✓ Supply Model: Factory Direct to Global Construction & Mining Equipment Markets

◆ Part Number & Application
✓ Engine Model: Daewoo D1146 Diesel Engine
✓ Host Equipment: Daewoo/Doosan Excavator Models DH220-3, DH280-3
✓ 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 Daewoo D1146 Engine Specifications
✓ Key Feature: Precision-ground to meet the specific torque and power characteristics required by the DH220-3 and DH280-3 excavators

◆ Manufacturing Advantages
✓ D1146/DH Series Expertise: Specialized focus on the Daewoo D1146 engine platform used in the popular DH220-3 and DH280-3 excavator series.
✓ Advanced Cam Grinding Technology: Utilizes state-of-the-art CNC grinding to replicate exact OEM lobe profiles for optimal valve timing, power output, and fuel efficiency under load.
✓ Material & Heat Treatment: Manufactured from high-grade alloy steel with precise induction hardening on lobes and journals for exceptional wear resistance in high-hour, high-stress applications.
✓ Rigorous Quality Control: 100% inspection of critical dimensions ensures perfect fitment, correct engine timing, and smooth operation.
✓ Excavator Application Validation: Products are validated against the operational duty cycles of the DH series excavators.

◆ Quality Assurance Process
✓ Material certification from suppliers of premium camshaft-grade steel.
✓ Full-profile inspection using optical comparators and CMM against Daewoo OEM 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 precision line for Daewoo/Doosan excavator engine components.
✓ Lead Time: 45-55 days for precision grinding and hardening processes.
✓ Minimum Order: Competitive MOQ for construction machinery distributors and excavator specialist workshops.
✓ Packaging: Custom protective packaging with VCI (Vapor Corrosion Inhibitor) to safeguard precision surfaces during international shipping.
✓ Logistics: Secure global shipping to construction and mining equipment hubs.

◆ Technical Support Services
✓ Detailed application guide for DH220-3 and DH280-3 excavator compatibility.
✓ Installation guidelines including timing procedure and bearing clearance specifications for the D1146 engine.

◆ Market Applications
✓ Excavator Service Centers & Dealers: Essential for overhauling engines in the widely used Daewoo DH220-3 and DH280-3 models.
✓ Heavy Equipment Contractors: Critical spare part for maintaining fleet uptime in earthmoving and infrastructure projects.
✓ Global Daewoo/Doosan Parts Distributors: Key inventory item for the legacy and active excavator aftermarket.