🏷️ Basic Information Identification Make: Zetor Model: 4321, 4341, 5321, 5341, 6321, 6341, 7321, 7341 Product Type: Service Parts Catalog (EPC) 👋 Introduction Market Position Target User: Farmers, agricultural contractors, mechanics, parts suppliers, equipment owners Competitive Analysis Value Proposition: Essential tool for maintaining and repairing Zetor tractors, facilitating accurate parts procurement and assembly. Key Features Diagrams: Comprehensive exploded view diagrams are a hallmark of this type of catalog. Part Number Reference: Accurate part numbers are critical for correct component sourcing. 📋 Manual Details Coverage Areas Manual Scope: Covers the entire vehicle Primary Focus: Parts identification and assembly Page Count Estimated Page Count: Likely extensive, typical for a comprehensive parts catalog (exact number not provided in product info) Manual Type Type: Electronic Parts Catalog (EPC) / Parts Manual Language Language: Likely English, with potential for other European languages depending on origin of catalog. Format Format: Digital Download (likely PDF) 📖 Manual Coverage Systems Covered Engine And Ancillaries: Engine components, cooling system, fuel system, exhaust system, lubrication system Transmission And Drivetrain: Clutch, gearbox, transfer case (if applicable), final drives, differentials, PTO (Power Take-Off) Chassis And Steering: Front axle, rear axle, steering system components, braking system components Hydraulic System: Hydraulic pump, control valves, cylinders, lift arms, external hydraulic connections Electrical System: Wiring harnesses, starter, alternator, lighting, battery, controls Operator Station: Seat, controls, dashboard, operator controls, platform/cab components Body And Frame: Frame components, fenders, hood, ballast weights, hitches Procedures Included Parts Identification: Detailed diagrams and exploded views to identify specific parts and their relationships Assembly Guidance: Illustrates how components fit together for correct reassembly Parts Ordering: Crucial for identifying correct part numbers for ordering replacements Technical Depth Depth: Highly detailed, focused on component level parts and their relationships. Diagnostics Support: Indirectly supports diagnostics by identifying faulty parts. 📊 Manual Specifications File Format File Type: Digital Download (typically PDF) Searchability: Likely includes text-searchable functionality if a well-produced PDF. Print Quality Print Readability: Designed for clarity of diagrams and part numbers, suitable for printing specific pages. Binding Type Binding: N/A (Digital Format) Paper Type Paper Quality: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Brand: Zetor (likely utilizing own-design or licensed engines) Engine Family Designation: Proxima series (models 33xx-73xx often belong to this or similar Zetor families) Cylinders: Likely 3 or 4 cylinders for lower end (3321/4321) and 4 or 6 cylinders for higher end (5321/6321/7321). Displacement: Ranges typically from 2.5L to 4.5L depending on specific model variant (e.g., 33xx likely ~2.5-3.0L, 73xx likely ~4.0-4.5L). Horsepower Range: Approx. 30 HP (3321) to 70 HP (7321), with specific models falling in between. (e.g., 4321 ~40HP, 5321 ~50HP, 6321 ~60HP). Torque Range: Varies significantly with displacement and HP. Expect peak torque in the 100-200 Nm range, depending on engine. Cooling System: Liquid-cooled, typically with a radiator, fan, and thermostat. Fuel System Fuel Type: Diesel Injection System: Likely direct injection, possibly with mechanical or early electronic control (EPIC/Common Rail unlikely for these models). Fuel Filters: Primary and secondary fuel filters, often with a water separator. 🔧 Transmission Standard Type: Manual Synchromesh gearbox Gear Configuration: Typically 8 forward gears + 4 reverse gears, or a similar configuration, often with a synchronized creeper gear option. Optional Power Take Off Pto: Standard PTO (e.g., 540/1000 RPM) and sometimes a ground-speed PTO Front Wheel Drive Engage: Models ending in '41' (e.g., 4341) are 4WD; '21' are 2WD. FWD engagement is typically manual. Features Clutch Type: Dry, single-plate, diaphragm spring clutch. Final Drive: Spur gear type final drives. 📐 Dimensions Exterior Length: Approx. 3.8 - 4.2 meters (varies by model variant) Width: Approx. 1.7 - 2.0 meters (adjustable rear track) Height: Approx. 2.4 - 2.6 meters (to top of cab/roll bar) Weights Operating Weight: Approx. 2,500 - 3,500 kg (varies by model and configuration, e.g., 2WD vs 4WD) Max Rear Hitch Lift Capacity: Typically in the range of 1800-2500 kg depending on the specific model and hydraulic system. 🛡️ Safety Features Ratings Roll Over Protection: ROPS (Roll-Over Protective Structure) typically standard or optional, especially on cab versions. Active Features Brakes: Hydraulically operated, wet disc brakes in rear axle (for 4WD, front axle brakes may also be present). Parking Brake: Independent parking brake system, typically mechanical. Passive Features Seatbelt: Seatbelt for operator, usually standard on cab models. Lighting: Front and rear lights, turn signals, and hazard lights for visibility. 💡 Technology Features Infotainment Features: Basic functionality, typically an AM/FM radio or provision for one, not advanced infotainment systems. Driver Assistance Features: Limited to standard tractor controls; no advanced driver-assistance systems (ADAS) expected. Connectivity Features: No modern connectivity features like Bluetooth or Wi-Fi. 🔧 Maintenance Service Intervals Engine Oil Change: Typically every 250-500 operating hours, depending on operating conditions and oil quality. Air Filter Replacement: Regular inspection and replacement as needed, or based on operating hours (e.g., 500 hours). Hydraulic Fluid Change: Typically every 1000-1200 operating...