🏷️ Basic Information Identification Make: Isuzu Model: 4JG2 Engine Family: 4JG Application Typical Vehicle: Hyundai HDF 20-30 Forklift Series 📋 Manual Details Content Manual Type: Factory Service / Repair / Workshop Manual Delivery Delivery Method: Instant Download Language Language: English Format File Format: PDF Compatibility Operating System Compatibility: All Versions of Windows & Mac Requirements Software Requirements: Adobe PDF Reader & WinZip Printability Printable: Yes ⚙️ Engine Specifications Type Engine Type: Diesel Configuration Cylinder Configuration: Inline 4-Cylinder Displacement Displacement Liters: 3.168 Performance Bore Mm: 93 Stroke Mm: 114 Compression Ratio: 18.0:1 Cooling Cooling System Type: Water-cooled 🔧 Maintenance Lubrication Oil Type Recommendation: Refer to manual for specific diesel engine oil grade Intervals Service Interval Guidelines: Covered in manual 📄 Manual Sections Listed Contents General Information: Included Maintenance: Included Engine Disassembly: Included Engine Inspection Repair: Included Engine Reassembly: Included Lubricating System: Included Cooling System: Included Fuel System: Included Engine Electricals: Included Troubleshooting: Included Special Tool List: Included Conversion Table: Included