Caterpillar C6.4 diesel engine assembly CAT320D 320C 320 excavator construction machinery parts China supplier

◆ Product Overview
Genuine-specification Caterpillar C6.4 complete diesel engine assembly, engineered as the direct replacement power unit for CAT 320D, 320C, and 320 series hydraulic excavators. This Tier 3/Stage IIIA compliant engine is supplied from China as a factory-remanufactured, OEM-spec new, or premium used assembly, delivering the reliable performance, fuel efficiency, and durability required for mid-size excavator operations.

◆ Supplier Profile
✓ Type: China Specialist in Caterpillar Construction Engine Supply
✓ Focus: Cat C6.4 ACERT™ Engine Platform for 320 Series Excavators
✓ Services: Complete Assembly Supply, Core Exchange, Technical Integration Support
✓ Market: Global CAT® Dealership Networks, Large Fleets, and Independent Repair Shops
✓ Expertise: Caterpillar ACERT™ Technology and Machine-Specific Configuration

◆ Engine Specifications & Machine Compatibility
✓ Engine Model: Caterpillar C6.4 ACERT™ Diesel Engine
✓ Configuration: 6-Cylinder, In-Line, Turbocharged, ACERT™ Technology
✓ Displacement: 6.4 L
✓ Rated Power: ~125 kW (168 HP) @ 1800 rpm (Application Optimized)
✓ Emission Standard: EPA Tier 3 / EU Stage IIIA Equivalent
✓ Direct Machine Application:

• Caterpillar 320D/320D L Hydraulic Excavator

• Caterpillar 320C Hydraulic Excavator

• Caterpillar 320 Hydraulic Excavator
  ✓ Condition Options: OEM-Specification New | CAT®-Certified Remanufactured | Low-Hour Used/Tested

◆ Complete Engine Assembly (Cat C6.4) Features
✓ ACERT™ Technology: Advanced combustion system providing optimal power, efficiency, and emissions control without complex aftertreatment (for Tier 3).
✓ Direct Machine Fit: Configured with the correct flywheel housing, front support, and accessory drive for a direct bolt-in replacement into the 320 series excavator.
✓ Fuel System: Equipped with Cat HEUI (Hydraulically actuated, Electronically controlled Unit Injection) fuel system for precise control.
✓ Electronic Integration: Includes the ADEM™ A4 electronic control module pre-programmed for the specific machine application.
✓ Cooling Package: Complete with water pump, oil cooler, and associated lines as per original configuration.
✓ Mounting System: All necessary engine mounts and brackets included for seamless installation.

◆ CAT®-Certified Remanufactured Assembly
✓ Core Process: Complete disassembly, cleaning, and inspection per Caterpillar remanufacturing standards.
✓ Precision Restoration: All major components (block, crankshaft, head) are machined to restore original factory specifications.
✓ Genuine Cat Parts: Rebuilt using Genuine CAT® Remanufactured components.
✓ Testing & Validation: Full dynamometer testing to verify performance meets or exceeds original specifications.
✓ Warranty: Backed by a CAT® parts warranty or equivalent supplier warranty.

◆ Used/Tested Assembly Inspection Protocol
✓ Comprehensive Evaluation:

• Full electronic diagnostic scan using Caterpillar ET software.

• Cylinder compression and leak-down testing.

• Turbocharger function and boost pressure verification.

• Oil pressure and cooling system performance check.

• General visual inspection for leaks, damage, and completeness.
  ✓ Condition Documentation: Detailed report provided, noting all test results and overall condition.

◆ Supply & Logistics
✓ Machine Match Verification: We verify the correct engine configuration using your machine’s Product Identification Number (PIN).
✓ Lead Time: Varies by condition (New: 70-100 days; Reman: 45-75 days; Used: 30-50 days).
✓ Packaging: Custom heavy-duty steel cradle designed for secure ocean freight transport.
✓ Core Exchange: Efficient core return process for remanufactured engine purchases.
✓ Global Shipping: Arranged to major ports worldwide with full export documentation.

◆ Installation & Commissioning Support
✓ ECM Compatibility: Guidance on ECM programming and parameter matching for the target machine.
✓ Installation Manual: Reference material for installation torque sequences and connection points.
✓ Start-Up Procedure: Recommended steps for initial startup and system check after installation.

◆ Target Applications & Customers
✓ Caterpillar 320D/320C/320 Excavator Fleet Overhaul Programs.
✓ Mining and Construction Companies with Mid-Size Cat Excavator Fleets.
✓ Equipment Dealerships and Independent Service Centers.
✓ Government and Municipal Equipment Maintenance Departments.

◆ Customer Support
✓ Technical Consultation: Assistance with engine selection based on your specific machine model and serial number.
✓ Pre-Shipment Documentation: Provision of engine photos, test summaries, and configuration details upon request.
✓ After-Sales Support: Coordination for technical assistance and warranty service initiation.