yanmar 4tnv88 diesel engine specs

yanmar 4tnv88 diesel engine specs

The Yanmar 4TNV88 diesel engine stands out as a reliable, efficient, and powerful power unit widely used across various industrial, agricultural, and construction applications. Known for its durability and fuel efficiency, the 4TNV88 is a part of Yanmar's renowned line of compact and high-performance diesel engines. This article provides a comprehensive overview of the Yanmar 4TNV88 diesel engine specs, detailing its technical features, performance parameters, and key characteristics to help users, technicians, and enthusiasts understand what makes this engine a preferred choice in its class.

Overview of the Yanmar 4TNV88 Diesel Engine

The Yanmar 4TNV88 is a four-cylinder, water-cooled diesel engine designed for versatility and dependable operation. It is part of Yanmar's 2.8-liter engine family, known for excellent fuel efficiency, low emissions, and robust construction. The 4TNV88 is often used in compact construction equipment, agricultural machinery, generators, and other industrial applications.

Key features include:

• Compact design for easy installation
• Low noise and vibration levels
• High torque output at low RPM
• Excellent fuel economy
• Long service intervals and ease of maintenance

Understanding its specifications helps in selecting the right application, performing maintenance, and ensuring optimal performance.

Technical Specifications of the Yanmar 4TNV88

Engine Type and Configuration

• Type: 4-cylinder, 4-stroke diesel engine
• Configuration: Vertical inline
• Cooling System: Water-cooled
• Fuel System: Direct injection

Displacement and Bore/Stroke

• Displacement: 2.8 liters (2783 cc)
• Bore: 88 mm
• Stroke: 100 mm

Power and Torque Output

• Rated Power: Typically ranges from 24.4 kW to 30.9 kW (33 hp to 42 hp) depending on specific model and application
• Peak Power: Up to 33.5 kW (45 hp)
• Rated RPM: Usually around 2200 to 2500 RPM
• Maximum Torque: Approximately 141 Nm (104 lb-ft) at 1800-2000 RPM

Performance and Efficiency

• Fuel Consumption: Approximately 210 g/kWh under standard load
• Specific Fuel Consumption: Around 0.25 kg/kWh
• Idle Speed: ~800 RPM

Lubrication and Cooling

• Lubrication System: Wet sump
• Cooling System: Thermostat-controlled water cooling with radiator compatibility
• Oil Capacity: About 4-5 liters

Dimensions and Weight

• Length: Varies by model, typically around 700-800 mm
• Width: Approximately 400-500 mm
• Height: Around 600-700 mm
• Dry Weight: Approximately 250-300 kg, depending on configuration

Additional Technical Features

Emission Standards

• Complies with Tier 4 Final (EPA) and Stage V (EU) emission regulations in modern versions
• Incorporates turbocharging and intercooling for improved emissions and efficiency

Starting System

• Type: Electric starter motor
• Battery Requirement: 12V system, typically 1.2 kW starter motor

Accessories and Compatibility

• Compatible with various transmission and drive systems
• Designed for easy integration with hydraulic systems, PTO, and other attachments

Performance Characteristics and Benefits

Reliability and Durability

Yanmar engines are renowned for their longevity, and the 4TNV88 is no exception. Its robust construction ensures minimal downtime and extended service life, even under demanding conditions.

Fuel Efficiency

Thanks to advanced fuel injection technology and optimized combustion chambers, the 4TNV88 offers excellent fuel economy, reducing operational costs over its lifespan.

Ease of Maintenance

Design features like accessible filters, straightforward oil changes, and modular components make maintenance simple, saving time and labor costs.

Low Emissions

Modern versions of the engine are designed to meet strict environmental standards, making them suitable for applications requiring low emissions and sustainable operation.

Applications of the Yanmar 4TNV88 Engine

The versatility of the Yanmar 4TNV88 engine makes it suitable for a wide range of applications:

1. Construction Equipment: Mini excavators, skid steer loaders, compactors
2. Agricultural Machinery: Tractors, harvesters, irrigation pumps
3. Generators: Standby and prime power generators
4. Industrial Equipment: Compressors, pumps, and material handling machines
5. Marine Applications: Small boats and watercraft (with appropriate modifications)

Maintenance Tips for Optimal Performance

• Regularly check and replace engine oil and filters
• Keep radiator and cooling system clean to prevent overheating
• Monitor fuel quality and replace filters as needed
• Inspect belts, hoses, and electrical connections periodically
• Follow manufacturer guidelines for service intervals and parts replacement

Conclusion

The Yanmar 4TNV88 diesel engine offers a compelling combination of power, efficiency, and reliability. Its technical specifications reflect a well-engineered power unit capable of handling demanding industrial and agricultural tasks with ease. Whether used in compact construction equipment, agricultural machinery, or power generation, the 4TNV88 stands out as a versatile and durable engine choice. Understanding its detailed specs helps operators and technicians optimize its performance, ensure longevity, and meet operational requirements effectively.

For anyone considering a dependable diesel engine for their equipment, the Yanmar 4TNV88 is a proven option that balances performance with cost-efficiency, backed by Yanmar’s reputation for quality and innovation.

Yanmar 4TNV88 Diesel Engine Specs: An In-Depth Analysis of Power, Performance, and Applications

The Yanmar 4TNV88 diesel engine specs represent a robust and reliable power unit renowned within the agricultural, industrial, and marine sectors. As a component of Yanmar's extensive lineup of compact and efficient engines, the 4TNV88 stands out for its durability, fuel efficiency, and versatile performance. Whether you're a machinery operator, mechanic, or enthusiast seeking comprehensive technical insights, understanding the nuances of the 4TNV88's specifications is crucial for optimal application and maintenance.

Introduction to the Yanmar 4TNV88 Diesel Engine

Yanmar, a leader in diesel engine technology since 1912, has built a reputation on producing engines that combine innovation, reliability, and efficiency. The 4TNV88 model is a four-cylinder, naturally aspirated diesel engine designed primarily for small to medium-sized applications, including compact construction equipment, agricultural machinery, and marine vessels.

This engine exemplifies Yanmar's commitment to clean combustion, fuel economy, and long service life. Its specifications are tailored to meet the demands of various industries, ensuring it can deliver consistent performance under diverse operational conditions.

Overview of Key Features

Before diving into the detailed specs, it’s helpful to understand the core features that define the Yanmar 4TNV88:

• Configuration: 4-cylinder, inline
• Aspiration: Naturally aspirated
• Fuel System: Direct injection
• Cooling System: Water-cooled
• Lubrication: Forced lubrication with oil filtration
• Engine Management: Mechanical or electronic options depending on application

These core features support the engine’s reputation for simplicity, durability, and efficiency.

Detailed Technical Specifications

1. Engine Displacement and Mechanical Data

The engine displacement is a foundational spec that impacts power output, fuel consumption, and overall efficiency.

• Displacement: 1.353 liters (or approximately 82.5 cubic inches)
• Number of cylinders: 4
• Cylinder bore: 80 mm (3.15 inches)
• Piston stroke: 88 mm (3.46 inches)
• Bore x stroke ratio: Slightly under-square design (bore < stroke), favoring torque

2. Power Output and Performance Metrics

Understanding the engine's power ratings is essential for matching it to your machinery or project.

• Maximum Power: Approximately 25.8 HP (19.2 kW) at 2,600 RPM
• Maximum Torque: Around 71.7 Nm (52.9 lb-ft) at 1,600 RPM
• Rated RPM: 2,600 RPM (for maximum power), with a typical operating range between 1,200 – 2,600 RPM

Note: Power figures may vary slightly depending on regional emissions standards and specific engine configurations.

3. Fuel System and Consumption

Efficiency and fuel economy are key benefits of the Yanmar 4TNV88.

• Fuel System: Direct injection ensures precise fuel delivery, improving combustion efficiency
• Fuel Consumption: Approximate fuel consumption is 0.24 – 0.28 liters per horsepower per hour, depending on load and operating conditions
• Fuel Type: Diesel with a cetane rating of at least 45

4. Cooling and Lubrication

Proper cooling and lubrication are essential for engine longevity.

• Cooling System: Water-cooled with a thermostatic control for optimal operating temperature
• Cooling Capacity: Adequate to maintain temperatures within recommended limits during continuous operation
• Lubrication System: Forced splash or pressure lubrication with a high-quality oil filter

5. Dimensions and Weight

Size and weight impact installation and operational flexibility.

• Engine Length: Approximately 720 mm (28.3 inches)
• Width: About 520 mm (20.5 inches)
• Height: Around 700 mm (27.6 inches)
• Dry Weight: Approximately 250 kg (551 lbs)

Additional Technical Details

6. Emissions and Compliance

Yanmar engines are designed with emissions standards in mind.

• Emissions Standard: Complies with Tier 4 Final / Stage IIIB depending on model and region
• Exhaust After-treatment: Some configurations include DOC (Diesel Oxidation Catalyst) or DOC + DPF (Diesel Particulate Filter)

7. Mounting and Compatibility

• Mounting Points: Designed for standard industrial mounting brackets
• Flywheel and PTO: Compatible with common attachments and drive systems

Applications of the Yanmar 4TNV88

Given its specifications, the Yanmar 4TNV88 is suited to a range of applications:

1. Agricultural Machinery

• Compact tractors
• Harvesters
• Irrigation pumps

2. Construction Equipment

• Mini excavators
• Compact loaders
• Concrete mixers

3. Marine Applications

• Small boats
• Marine generators

4. Industrial Use

• Compressors
• Generators
• Small-scale processing equipment

Maintenance and Performance Tips

To maximize the lifespan and efficiency of the Yanmar 4TNV88, consider the following:

• Regular Oil Changes: Every 100-200 hours or as recommended
• Coolant Checks: Ensure proper water levels and radiator cleanliness
• Fuel Filter Replacement: Every 250 hours or as needed to prevent clogging
• Air Filter Maintenance: Keeps combustion efficient
• Periodic Inspection: Check for leaks, corrosion, or worn parts

Adhering to the manufacturer’s service schedule is crucial for consistent performance.

Conclusion

The Yanmar 4TNV88 diesel engine specs highlight a compact yet powerful engine designed to meet diverse operational needs with reliability and efficiency. Its balanced combination of power output, fuel economy, and durability makes it a preferred choice across multiple industries. Whether powering agricultural equipment, construction machinery, or marine vessels, the 4TNV88 exemplifies Yanmar's commitment to quality engineering.

Understanding its detailed specifications allows users and technicians to optimize performance, plan maintenance, and ensure compatibility with various applications. As with any engine, proper care and adherence to recommended operational parameters will extend its service life and ensure consistent, reliable operation for years to come.

Question	Answer
What is the horsepower rating of the Yanmar 4TNV88 diesel engine?	The Yanmar 4TNV88 diesel engine typically produces around 49.3 horsepower (36.8 kW) at 2600 RPM.
What are the main specifications of the Yanmar 4TNV88 engine in terms of displacement and bore x stroke?	The Yanmar 4TNV88 has a displacement of approximately 2.17 liters, with a bore and stroke of 86 mm x 88 mm.
What is the fuel consumption rate of the Yanmar 4TNV88 diesel engine?	Under standard operating conditions, the Yanmar 4TNV88 consumes approximately 2.2 liters of diesel per hour at rated power.
What are the cooling and lubrication system specifications for the Yanmar 4TNV88?	The engine uses a water-cooled system with a forced circulation pump, and it features a splash and pressure lubrication system to ensure optimal performance.
Is the Yanmar 4TNV88 engine suitable for agricultural and industrial applications?	Yes, the Yanmar 4TNV88 is widely used in agricultural machinery, generators, and industrial equipment due to its reliable performance and compact design.
What are the dimensions and weight of the Yanmar 4TNV88 engine?	The engine measures approximately 1,200 mm in length, 700 mm in width, and 1,000 mm in height, with a weight of around 250 kg, making it suitable for various equipment installations.

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