The Zetor 4712, 4718, 5711, 5718, 5745, 5748, 6711, 6718, 6742, and 6748 series tractors represent a generation of robust utility vehicles, predominantly produced in the 1970s and early 1980s....
The Zetor 4712, 4718, 5711, 5718, 5745, 5748, 6711, 6718, 6742, and 6748 series tractors represent a generation of robust utility vehicles, predominantly produced in the 1970s and early 1980s. These diesel-powered machines, featuring durable, high-torque engines and manual synchromesh transmissions, were engineered for agricultural applications, emphasizing simplicity and reliability. Their design, originating from the Czech Republic, reflects a long heritage of agricultural machinery manufacturing, providing dependable performance in demanding work environments.
This comprehensive workshop manual, presented in English and spanning 120 pages, is designed to assist agricultural mechanics, service technicians, and owners in maintaining and repairing these Zetor tractors. It covers essential areas including general maintenance, detailed engine and transmission repair procedures, hydraulic system information, braking, steering, and power take-off systems. The manual also provides troubleshooting guidance, technical specifications, and lubrication charts, offering practical repair advice and construction explanations specific to these models.
🏷️ Basic Information
Identification
Make:
Zetor
Product Type:
Workshop Manual
Product Name:
Verkstadshandbok till Zetor Traktorer
Product Title:
Workshop Manual for Zetor Tractors
Codes
Original Language:
Swedish
Translated Language:
English
👋 Introduction
Market Position
Target Audience:
Agricultural mechanics, service technicians, and owners undertaking repairs.
Segment:
Utility Tractors
Competitive Analysis
Value Proposition:
Provides essential technical data and procedures for maintaining and repairing a range of Zetor tractor models.
Key Features
Key Feature 1:
Covers a significant number of popular Zetor tractor models.
Key Feature 2:
Includes detailed construction and functional descriptions.
Key Feature 3:
Organized into specific work areas for ease of reference.
Technical Documentation Type:
Comprehensive workshop manual with focus on repair and maintenance.
Comprehensive 'Smörjschema' (Lubrication Chart) detailing lubrication points and intervals.
Procedures Included
General Maintenance:
General information and guidelines for tractor upkeep.
Troubleshooting:
Instructions for diagnosing and resolving common issues.
Repair Procedures:
Step-by-step instructions for all significant repair tasks.
Component Overhaul:
Guidance on overhauling major components like the engine and transmission.
Performance Checking:
Includes 'Effektkontroll' (Performance Control) for checking engine output and operational efficiency.
Troubleshooting Diagnostics:
Detailed procedures for troubleshooting specific components and systems.
Technical Depth
Depth:
Comprehensive service and repair information for specialized tasks.
Content Focus:
Practical repair advice and construction explanations specific to Zetor tractor types.
Depth Level:
Extensive, covering detailed assembly, disassembly, adjustment, and repair of mechanical, hydraulic, and powertrain systems.
📊 Manual Specifications
File Format
Format:
PDF
Quality:
Good quality
Searchability:
Likely text-searchable if OCR applied during PDF creation.
Document Type:
PDF
Image Resolution:
High enough for clear viewing of diagrams and text.
Print Quality
Printability:
Suitable for printing.
Binding Type
Binding:
N/A (Digital PDF)
Paper Type
Paper Type:
N/A (Digital PDF)
⚙️ Engine Specifications
Primary Engine
Engine Type:
Diesel
Engine Manufacturer:
Zetor
Performance
General Performance Characteristics:
Robust, high-torque diesel engines known for durability in agricultural applications.
Fuel System
Fuel System Type:
Direct injection (typical for this era).
Injection Pump Details:
Likely features mechanical injection pumps (e.g., Zetor or Bosch).
🔧 Transmission
Standard
Transmission Type:
Manual Synchromesh
Gear Configuration:
Typically 10 forward and 2 reverse gears (or variations).
Features
Clutch Type:
Dry, single-plate (standard).
Drive System:
Rear-wheel drive (2WD) standard, with some models offering 4WD (indicated by '4' in model numbers).
📐 Dimensions
Exterior
General Dimensions:
Specific dimensions vary by model, but generally designed for agricultural work.
Weights
Operating Weight Range:
Typically 2000-3000 kg, depending on configuration and model.
🛡️ Safety Features
Ratings
Safety Standards:
Designed to meet relevant agricultural machinery safety regulations of their production era.
Active Features
Braking System:
Mechanical or hydraulic drum brakes, with parking brake function.
Passive Features
Operator Station:
Basic operator station, potentially with ROPS (Roll-Over Protective Structure) as an option or factory fitment on later models.
💡 Technology Features
Infotainment
Infotainment System:
N/A (Basic agricultural tractor of its era, no modern infotainment).
Driver Assistance
Driver Assistance Features:
N/A (Mechanical controls and basic instrumentation only).
Connectivity
Connectivity Options:
N/A
🔧 Maintenance
Service Intervals
Engine Oil Change:
Typically every 250-500 operating hours, depending on oil quality and operating conditions (specifics in manual).
Transmission Oil Change:
Annually or every 1000 operating hours (specifics in manual).
Grease Points:
Daily or weekly lubrication of various pivot points and bearings as per lubrication chart.
Fluid Specifications
Engine Oil Grade:
Typically SAE 15W-40 or 10W-30 diesel engine oil meeting API CD or CE specifications (check manual for exact grade).
Transmission Hydraulic Fluid:
Universal Tractor Transmission Oil (UTTO) or similar multi-purpose hydraulic fluid (e.g., 10W-30 or 80W-90 gear oil depending on system split).
Coolant:
Ethylene glycol-based antifreeze mixture with appropriate water ratio.
Known Issues
Common Wear Items:
Clutch wear, starter motor issues, hydraulic pump and cylinder leaks, electrical connections due to age.
Potential Faults:
Overheating due to radiator blockage, steering play, PTO engagement problems.
📚 Vehicle History
Brand Heritage
Manufacturer Origin:
Zetor is a Czech Republic-based manufacturer of agricultural machinery, with a long history dating back to the post-WWII era.
Model Evolution
Model Series Context:
The 47xx, 57xx, and 67xx series represent a generation of Zetor tractors known for their simplicity, ruggedness, and reliability in agricultural environments.
Production
Production Period Estimation:
These models were predominantly produced in the 1970s and early 1980s.
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