Model:
3320, 3340, 4320, 4340, 5320, 5340, 6320, 6340
Model Family:
Zetor 33xx, 43xx, 53xx, 63xx Series
Market Segment:
Utility Tractors, Agricultural Machinery
Target User:
Farm owners, agricultural mechanics, service technicians, DIY mechanics
Reliability:
Zetor tractors are known for their mechanical robustness and simpler design, making them easier to maintain and repair in various conditions.
Cost Savings:
Enables owners to perform repairs and maintenance themselves, saving significant labor costs.
Market Niche:
Zetor tractors of this era were positioned as reliable, cost-effective, and straightforward utility tractors for small to medium farms and various agricultural tasks, competing with brands like Belarus, Ursus, and older models from Western manufacturers.
Coverage Areas:
Complete Service and Repair Procedures
Manual Type:
Workshop Service Repair Manual
Page Count:
Comprehensive (Exact page count not specified, but described as 'Complete' and 'A-Z')
Software Requirements:
Adobe Acrobat Reader or compatible PDF viewer (free download available).
Systems Covered:
Engine Mechanical, Engine Fuel System, Engine Lubrication, Engine Cooling, Engine Electrical, Transmission, Drive Axles, Power Take-Off (PTO), Hydraulic System, Steering System, Braking System, Electrical System, Chassis and Bodywork, Operator's Station
Hydraulic System Components:
Hydraulic pump, control valve, cylinders (for hitch and auxiliary services), filters, reservoir, and associated lines.
Procedures Included:
Routine Maintenance, Troubleshooting, Component Diagnosis, Engine Overhaul, Transmission Repair, Hydraulic System Service, Electrical Component Testing, Brake System Adjustments and Overhaul, Steering System Repair, PTO System Repair, Front Axle (4WD) Service, Rear Axle Service, Operator's Station Disassembly/Assembly, Routine Inspections, Fluid Changes, Filter Replacements
Troubleshooting Charts:
Likely includes symptom-based troubleshooting charts to aid in diagnosing common problems.
Installation Procedures:
Instructions for installing common attachments like front loaders or power take-off guards.
Technical Depth:
Detailed step-by-step instructions, diagnostic procedures, repair specifications, torque values, wiring diagrams, and schematics
Diagnostic Procedures:
Includes specific tests and checks for engine, transmission, hydraulic, and electrical systems to pinpoint faults.
Overhaul Procedures:
Detailed instructions for complete disassembly, inspection, repair, and reassembly of major components like engines, gearboxes, and hydraulic pumps.
File Format:
PDF (Portable Document Format)
Print Quality:
High Quality, Printable (Full document or selected pages)
Searchability:
Likely searchable text within the PDF, assuming proper OCR processing
Digital Features:
Instant delivery via email, user can print specific sections or the entire manual.
File Size:
Variable, but generally expected to be between 50 MB and 200 MB for a comprehensive PDF manual.
Accessibility:
Downloadable to PC, MAC, tablets, smartphones
Engine Families Covered:
Likely Zetor's in-house designed or licensed engines common to these models (e.g., Zetor 7701, Zetor 8601 series variations)
Horsepower Range:
Approximately 33 HP to 63 HP, depending on specific model (e.g., 3320 < 33 HP, 6340 ~ 63 HP)
Fuel System Type:
Direct Injection, typically with rotary or inline injection pumps (e.g., Zetor designed or sourced from suppliers like Motorpal)
Cylinder Configuration:
Typically 3-cylinder or 4-cylinder inline diesel engines.
Valve Adjustment:
Includes procedures for checking and adjusting engine valve lash.
Transmission Type:
Manual Synchromesh Transmission
Gear Configurations:
Multiple forward and reverse gears (e.g., 8 forward, 4 reverse; 10 forward, 2 reverse; or combinations with synchronized and non-synchronized gears, and creeper gears depending on variant).
Clutch Type:
Dry, single-plate or dual-plate clutch
Rear Axle Differential:
Mechanical differential lock for improved traction in challenging conditions.
Drive Configurations:
2WD (3320, 4320, 5320, 6320) and 4WD (3340, 4340, 5340, 6340)
Shifter Mechanism:
Manual gear levers, potentially with a creeper gear selection and range selector.
Approximate Operating Weight:
Varies by model, typically between 1,800 kg to 2,600 kg (excluding front weights and loader attachments).
Front Axle Load:
Design considerations for front axle loading with or without front-end loaders, and 4WD capabilities.
Wheelbase:
Varies by model and drive configuration, typically around 2,000 - 2,200 mm.
Operator Safety:
Roll-Over Protection Structure (ROPS) often standard or available, seat belts, safety guards on PTO and other moving parts.
Braking System Type:
Drum brakes or disc brakes, often oil-immersed in the rear axle housing. Independent parking brake.
Lighting System:
Standard headlights, taillights, turn signals, and work lights (if equipped).
Instrumentation:
Basic dashboard with engine RPM, temperature, oil pressure, fuel level, and indicator lights. Specific models might have digital hour meters.
Operator Station Features:
Typically a fixed platform or optional cabin, with mechanical controls for transmission, PTO, hydraulics, and steering. May feature hydrostatic power steering on some models.
Steering System:
Mechanical steering or hydrostatic power steering.
Pto Engagement:
Mechanical lever engagement for rear PTO, potentially with ground speed PTO option.
Engine Oil Change:
Typically every 250-500 operating hours, depending on operating conditions and oil type specified.
Air Filter Service:
Check and clean at frequent intervals (e.g., daily/weekly in dusty conditions), replace as needed.
Fuel Filter Replacement:
Recommended at scheduled intervals, e.g., annually or every 500 hours.
Transmission Oil Change:
Typically every 1000-1200 operating hours, depending on usage intensity.
Engine Oil Type:
API CD/CE/CF or higher, viscosity SAE 15W-40 or 10W-30 recommended depending on ambient temperature. (Consult manual for exact specification)
Transmission Hydraulic Oil:
Zetor specified hydraulic/transmission fluid or equivalent (e.g., ISO VG 46 or higher, often UTTO type). Capacity varies, typically around 30-40 liters.
Coolant Type:
Ethylene glycol based antifreeze mixture with a protection level suitable for the operating climate. (Typically 50% water, 50% antifreeze)
Hydraulic Fluid Type:
Zetor UTTO (Universal Tractor Transmission Oil) or equivalent conforming to specific ISO and API classifications.
Grease Type:
General purpose lithium-based grease for lubrication points.
Common Wear Items:
Clutch wear, hydraulic pump efficiency over time, PTO clutch engagement, front axle (4WD) wear, electrical connectors and wiring harnesses.
Troubleshooting Focus:
The manual would likely cover troubleshooting of starting issues, power loss, hydraulic system leaks or loss of power, braking problems, and PTO engagement failures.
Cooling System:
Potential for radiator blockage, thermostat failure, or water pump leaks over time.
Lubrication Points:
Steering joints, PTO shaft, hitch components, wheel bearings, pedal pivots, etc.
Manufacturer:
Zetor Tractors (Czech Republic)
Origin Country:
Czechoslovakia (now Czech Republic)
Series Development:
The 33xx, 43xx, 53xx, 63xx series represent a generation of Zetor tractors known for their robust construction and simplicity, building on earlier Zetor designs. Often featuring updated styling and improved ergonomics over older models.
Production Period:
These models generally fall within the late 1980s to the 1990s production era.
