Engine Series:
3TNV / 4TNV Series
Model Variants:
3TNV70, 3TNV76, 3TNV84, 3TNV88, 4TNV84, 4TNV88, 4TNV94, 4TNV98, 4TNV106
Production Years Covered:
Various years depending on model; typically 1990s to 2010s
Application:
Hyundai mini excavators (5TON, -7 Series) and skid steer loaders
Manual Type:
Workshop Service Repair Manual
Target Audience:
Owners, mechanics, and technicians
Competitive Advantage:
Comprehensive coverage of critical engine systems and repair procedures for Yanmar 3TNV/4TNV engines
Comprehensive Systems Coverage:
Includes turbocharger, lubrication, cooling, fuel injection pump/governor, starting motor, alternator, and electric wiring
Detailed Procedures:
Step-by-step guidance for routine maintenance, disassembly, inspection, and reassembly
Technical Specifications:
Service standards, tightening torques for bolts and nuts, troubleshooting and adjustment information
Engines Covered:
Yanmar 3TNV and 4TNV series diesel engines
Equipment Applications:
Hyundai mini excavators (5TON, -7 Series) and skid steer loaders
Systems Covered:
Turbocharger, lubrication system, cooling system, fuel injection pump/governor, starting motor, alternator, electric wiring
Manual Type:
Workshop Service Repair Manual
Format:
PDF (digital download)
Delivery Method:
Instant download
Page Count:
N/A - not specified in available information
Engine Mechanical:
Cylinder head, cylinder block, pistons, connecting rods, crankshaft, bearings, camshaft, valve train
Lubrication System:
Oil pump, oil filter, oil cooler, relief valves, oil passages
Cooling System:
Water pump, thermostat, radiator, cooling fan, hoses
Fuel System:
Fuel injection pump, governor, injectors, fuel filter, fuel lines
Turbocharger:
Turbocharger components, inspection, and replacement procedures
Starting System:
Starting motor, battery, starting circuit
Charging System:
Alternator, voltage regulator, charging circuit
Electrical System:
Wiring diagrams, sensors, switches, relays, connectors
Governor System:
Mechanical governor adjustment and repair
Routine Maintenance:
Oil changes, filter replacements, fluid checks, belt inspections
Preventive Maintenance:
Scheduled service tasks to ensure longevity
Disassembly:
Engine removal and component disassembly procedures
Inspection:
Component inspection criteria and wear limits
Reassembly:
Step-by-step reassembly with torque specifications
Troubleshooting:
Diagnostic procedures for common engine issues
Adjustments:
Valve clearance, injection timing, governor settings
Service Standards:
Clearances, wear limits, and tolerances
Tightening Torques:
Torque specifications for bolts and nuts
Detail Level:
Comprehensive, suitable for professional mechanics and knowledgeable DIYers
Illustrations:
Technical diagrams and exploded views
Specifications:
Detailed service standards and torque values
Component Identification:
Part names and numbers for ordering
Wear Limits:
Specifications for determining parts replacement
File Format:
PDF (searchable, bookmarked, zoomable)
Compatibility:
Windows, macOS, Linux, iOS, and Android — any device with a PDF reader
Requirements:
A PDF reader application (e.g. Adobe Acrobat Reader, free)
Searchability:
Fully text searchable for fast lookup of any topic
Print Quality:
High-resolution digital pages, printable at full clarity
Binding Type:
N/A — digital download, no physical binding
Paper Type:
N/A — digital download, no physical paper
Engine Series:
Yanmar 3TNV (3-cylinder) and 4TNV (4-cylinder) diesel engines
Displacement Range:
3TNV: 0.85 L to 1.5 L; 4TNV: 1.5 L to 2.2 L (varies by model)
Aspiration:
Naturally aspirated or turbocharged, depending on model
Power Output:
Approximately 15-50 hp (varies by model and application)
Torque:
Varies by model; consult specific model specifications
Injection System:
Mechanical fuel injection pump with governor
Governor:
Mechanical governor
Oil Change:
Refer to manufacturer recommendations; typically every 250-500 hours
Filter Replacement:
Oil, fuel, and air filters as per maintenance schedule
Valve Adjustment:
Inspect and adjust as needed; typically every 1000 hours
Engine Oil:
API CF or higher; viscosity per ambient temperature
Coolant:
Ethylene glycol-based antifreeze mixed 50/50 with water
Common Wear Items:
Injectors, fuel pump, turbocharger (if equipped), belts, hoses
Troubleshooting:
Manual provides diagnostic guidance for common problems
Manufacturer:
Yanmar Co., Ltd., a Japanese diesel engine manufacturer
Reputation:
Known for reliable, compact diesel engines for industrial and agricultural applications
Evolution:
The TNV series evolved from earlier Yanmar diesel engines, incorporating improved emissions and efficiency
Production Location:
Primarily manufactured in Japan
