Models Covered:
3320, 3340, 4320, 4340, 5320, 5340, 6320, 6340, 6340 Turbo, Horal
Production Period Implied:
Covers various years within the 33xx, 43xx, 53xx, and 63xx series
Vehicle Type:
Tractor (Industrial/Agricultural)
Product Name:
Zetor 3320 3340 4320 4340 5320 5340 5340 6320 6340 6340 6340 Turbo Horal Tractor Industrial Service Repair Workshop Manual
Target Audience:
Owners, operators, mechanics, and maintenance personnel of Zetor 33xx, 43xx, 53xx, and 63xx series tractors and their industrial variants.
Value Proposition:
Provides essential, detailed information for maintaining and repairing a wide range of Zetor tractor models, enabling cost savings and maximizing uptime.
Ease Of Use:
Designed for clarity with step-by-step instructions and visual aids.
Completeness:
Covers all models and engine types within the specified series, offering A-Z servicing and repair guidance.
Accessibility:
Instant download, accessible on any modern computer.
Coverage Scope:
All repairs, routine maintenance, servicing, troubleshooting, and diagnostics
Page Count Estimate:
Extensive (typical for a complete workshop manual covering multiple models and variants, likely 500+ pages, though not explicitly stated in product info)
Manual Type:
Service Repair Workshop Manual
Delivery Method:
Instant Digital Download
Engine Systems:
Engine overhaul, fuel system, lubrication, cooling, exhaust, engine diagnostics, timing, emission control
Transmission Drivetrain Systems:
Clutch, gearbox (manual and potentially powershift variants), transfer case, differentials, axles (front and rear), PTO (Power Take-Off)
Hydraulic Systems:
Hydraulic pump, control valve, cylinders, lift arms, hydraulic fluid specifications, troubleshooting
Electrical Systems:
Wiring diagrams, starter, alternator, battery, lighting, instrumentation, sensors, troubleshooting
Braking Systems:
Brake operation, hydraulic brake system, parking brake, adjustments, component replacement
Steering Systems:
Mechanical steering, power steering system (if equipped), components, maintenance
Chassis Suspension Systems:
Frame, front axle (including 4WD), rear axle, wheels, tires
Operator Station:
Cab systems, controls, seating, HVAC (if equipped)
Routine Maintenance:
Lubrication points and schedule, fluid level checks and changes, filter replacement (oil, fuel, air), greasing intervals
Repair Procedures:
Step-by-step instructions for all major component overhauls and repairs, from engine rebuilds to transmission overhauls
Troubleshooting:
Diagnostic charts and procedures for identifying and resolving common and uncommon faults
Special Tools:
Identification and usage of specialized tools required for specific repairs
Torquing Specifications:
Accurate torque values for critical fasteners throughout the tractor
Depth Of Coverage:
Comprehensive from routine maintenance to complete component rebuilds and diagnostics. Aimed at professional technicians and skilled DIY users.
Illustrations:
Step-by-step instructions accompanied by clear, detailed pictures and diagrams
Wiring Diagrams:
Included, essential for electrical system diagnostics and repair
Engine Families:
Likely Zetor's in-house manufactured diesel engines, commonly Zetor's 3- and 4-cylinder engines for these series (e.g., UR1 or URII series based).
Engine Displacement Range:
Approx. 2.5L to 3.5L (depending on specific 33xx, 43xx, 53xx, 63xx models)
Horsepower Range Estimated:
30 HP to 70 HP (depending on specific model and engine variant)
Injection System:
Likely mechanical fuel injection (e.g., Zetor's own or Bosch inline/rotary pumps) for older models, potentially early common rail for later variants within the implied production period.
Cooling Method:
Liquid-cooled
Oil Type Specification:
Manual will specify API CD/CF or ACEA E2/E3 grades, SAE 15W-40 or 10W-30 depending on climate and operating temperature.
Transmission Type:
Manual Synchromesh (likely 8-speed or 12-speed main gearbox with auxiliary splitter/creeper gears possible)
Powershift Option:
Some models within these series may have offered a powershift or synchronized shuttle option, which would be detailed in the manual.
Pto Options:
Typically features 540/1000 RPM PTO, potentially ground-speed PTO on some models.
Drive Type:
Available in 2WD (3320, 4320, 5320, 6320) and 4WD (3340, 4340, 5340, 6340) configurations.
Transmission Oil Type:
Manual will specify GL-4 or GL-5 rated gear oil, or a universal tractor transmission fluid (UTTO) depending on the transmission and hydraulic system integration. Common viscosity would be 80W-90 or 85W-140.
Overall Length:
Variable by model, but generally around 3.5-4.2 meters
Overall Width:
Variable by model, typically 1.7-2.0 meters
Wheelbase:
Variable by model, approximately 2.0-2.3 meters
Operating Weight Estimated:
2000-3000 kg (depending on configuration and 2WD/4WD)
Front Tire Size:
Commonly 7.50-16 or 7.50-18 (for 4WD, narrower than rear)
Rear Tire Size:
Commonly 13.6-24 or 14.9-24
Safety Standards:
Adherence to relevant EU and international tractor safety standards. Manual will detail safety precautions.
Braking System:
Hydraulic disc brakes (wet or dry) on rear axle, and often front axle (for 4WD). Power assist likely.
Rollover Protection:
ROPS (Roll-Over Protective Structure) is a standard safety feature on most tractors of this era, either as a frame or integrated into a cab. Manual will cover its inspection and maintenance.
Infotainment Systems:
Basic instrumentation (tachometer, hour meter, coolant temperature, oil pressure, fuel gauge). No advanced infotainment systems expected.
Driver Assistance Features:
Primarily mechanical controls. May feature electronic PTO engagement on later models. No advanced driver-assistance systems (ADAS) present.
Connectivity Features:
N/A. Focus is on functional operation and mechanical reliability.
Engine Oil Change:
Typically every 250-500 operating hours, or annually.
Fuel Filter Replacement:
Typically every 250-500 operating hours, or as needed based on fuel quality.
Air Filter Maintenance:
Check and clean every 50-100 hours, replace as needed.
Transmission Hydraulic Fluid:
Change every 1000-1200 operating hours.
Engine Coolant:
Manual will specify a mixture of ethylene glycol-based antifreeze and water (typically 50/50), meeting relevant standards like ASTM D3306 or equivalent.
Hydraulic Fluid Type:
UTTO (Universal Tractor Transmission Oil) or specific Zetor hydraulic oil meeting their internal specifications. Viscosity commonly 20W-30 or 10W-30.
Common Wear Items:
Clutch wear, PTO engagement issues, hydraulic system leaks, minor electrical gremlins, radiator leaks, and potential injector pump wear over time.
Preventative Maintenance:
Regular lubrication of all grease points, ensuring clean fuel and air filters, and maintaining correct fluid levels are critical for longevity.
Manufacturer:
Zetor Tractors, a Czech manufacturer with a long history of producing robust and reliable agricultural machinery.
Series Context:
These models represent a mid-range of Zetor's product line from the late 20th century, known for their straightforward design and durability.
Production Era:
Likely produced from the 1980s through the early 2000s, with 'Horal' suggesting variations or specific regional models.
Brand Recognition:
Zetor is recognized globally for its robust and functional tractor designs, particularly in Eastern European and developing markets.
Reliability Perception:
Generally perceived as reliable and durable with proper maintenance, though parts availability and specific technical expertise can be more critical than for some Western brands.
Regulatory Compliance:
Tractors are built to meet relevant national and international manufacturing and safety standards of their production era.
