🏷️ Basic Information Identification Make: URAL Model: 4320-02 Motor Truck Vehicle Type: Heavy-Duty Off-Road Motor Truck Product Name: URAL 4320 02 Motor Truck Service Workshop Repair Manual 👋 Introduction Market Position Vehicle Segment: Heavy-duty military and civilian off-road utility truck. Niche: Specialized heavy-duty vehicle for extreme environments, often civilianized versions of military designs. Competitive Analysis Key Competitors: Soviet/Russian equivalent trucks (e.g., ZIL, KamAZ), other international heavy-duty off-road vehicles. Key Features Vehicle Purpose: Designed for extreme off-road conditions, reliability, and versatility in demanding environments, often used for military, construction, and transport roles. Manual Value Proposition Benefit To Owner: Enables owners and technicians to maintain, diagnose, and repair the URAL 4320-02 effectively, saving time and costs. 📋 Manual Details Coverage Areas Primary Coverage: Service, Workshop, Repair Scope: Comprehensive technical instructions and procedures for maintenance, diagnosis, and repair. Page Count Estimated Pages: Extensive (Specific count not provided, but described as 'comprehensive') Manual Type Type: Service Workshop Repair Manual Language Language: English Format File Format: PDF Compatibility Operating Systems: All Versions of Windows & Mac Requirements Software: Adobe PDF Reader Content Quality Description: Professional book with high-quality instructions and procedures to aid understanding and problem-solving. 📖 Manual Coverage Systems Covered Powertrain: Engine, Power Transmission, Drivetrain, Special Equipment Drive Chassis: Steering Control, Brake System, Suspension (implied by truck components) Electrical: Electrical Equipment Controls Instruments: Controls and Instruments Special Equipment: Details on integrated special equipment systems, such as winches, hydraulic systems for cranes/tippers, etc. Vehicle Systems: Includes information on hydraulics, pneumatics (for brakes), and basic bodywork/chassis repair. Procedures Included Maintenance: List of Maintenance, Lubrication, Scheduled Service Repair: Servicing of Truck Components and Units, Design/Operation/Adjustment Diagnostics: Troubleshooting Operation: Driving Technique, Peculiar Features of Operation Assembly Disassembly: Step-by-step instructions for dismantling, servicing, and reassembling truck components and units. Technical Depth Depth: Comprehensive, covering design, operation, adjustment, servicing, and troubleshooting of major truck systems. Diagnostic Procedures: Detailed troubleshooting guides for common and specific faults, including diagnostic charts and symptom-based resolutions. Repair Techniques: Specific repair techniques, including specifications for tolerances, torque values, and alignment. 📊 Manual Specifications File Format Quality: Digital PDF format, enabling searchability and easy navigation. Print Quality Printability: Printable pages via Adobe PDF Reader, allowing for hard copy reference. Binding Type Binding: N/A (Digital PDF) Paper Type Paper: N/A (Digital PDF) Completeness Coverage Detail: Covers all major systems, components, and operating procedures as outlined in the description. ⚙️ Engine Specifications Primary Engine Engine Family: URAL 4320 series typically powered by YaMZ (Yaroslavl Motor Plant) diesel engines. Common Engine Variant: YaMZ-236/238 V6/V8 diesel engines. Performance Fuel Type: Diesel Fuel System Injection System: Typically mechanical injection pumps (e.g., DIN standard). Cooling System Type: Liquid-cooled, often with a robust radiator suitable for heavy-duty operation. Emission Controls Standards: Pre-Euro emission standards, emphasis on durability and power over strict emissions. Power Transmission Drivetrain Configuration: Permanent or selectable 4x4 and 6x6 drivetrains. 🔧 Transmission Standard Type: Manual transmission. Gearbox: Typically a 5-speed or 8-speed manual gearbox with a 2-speed transfer case for 4x4 and 6x6 configurations. Optional Transfer Case Features: Locking center differential, selective front axle engagement for 6x6 drive. Features Clutch Type: Single dry-plate clutch, often hydraulically assisted. 📐 Dimensions Exterior Wheelbase: Varies by specific configuration, typically around 3.6m to 4.0m for standard 6x4/6x6 models. Overall Length: Approximately 7.5m to 8.0m. Weights Gross Vehicle Weight Rating: Typically around 15,000-20,000 kg. Curb Weight: Approximately 8,000-9,000 kg. Tire Size Standard Tire Size: 12.00-20 or similar large off-road bias-ply tires. 🛡️ Safety Features Ratings Crash Test Results: Not applicable for this class of heavy-duty/military vehicle; safety focus is on operational robustness and driver protection in harsh environments. Active Features Braking System: Air-over-hydraulic drum brakes, often with a dual-circuit system for redundancy. Passive Features Cab Construction: Robust steel construction for driver protection. Operational Safety Features: High ground clearance, robust chassis, powerful engine with low-end torque for difficult terrain, central tire inflation system (CTIS) on some variants. 💡 Technology Features Infotainment System Type: Basic instrumentation; typically no advanced infotainment systems in original configurations. Driver Assistance Features: Limited; focus on core mechanical systems. ABS or traction control are generally absent in older models. Connectivity Features: N/A 🔧 Maintenance Service Intervals Engine Oil Change: Refer to manual for specific intervals based on operating conditions, typically 5,000-10,000 km or annually. Chassis Lubrication: Frequent lubrication of all moving chassis parts is essential for longevity, intervals detailed within the manual. Fluid Specifications Engine Oil: Diesel engine oil, API CF or higher, SAE 15W-40 or 10W-30 depending on climate (specific YaMZ grades apply). Coolant: Ethylene glycol-based coolant, compatible with Russian standards (e.g., GOST). Transmission Oil: GL-4 or GL-5 gear oil, viscosity grade dependent on temperature (e.g., 80W-90). Brake Fluid: DOT 3 or DOT 4 brake fluid for hydraulic systems (if applicable). Known Issues Common Wear Items: Clutch components, suspension bushings, brake system wear, electrical connections in harsh environments. Common Issues Engine Maintenance: Proper...