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4TNE98
Yanmar

The Yanmar 4TNE98 is a heavy-duty, water-cooled diesel engine engineered to deliver reliable, high-torque power for a wide range of demanding industrial, agricultural, and construction equipment. Built on Yanmar's legacy of durability and efficiency, this engine is designed to provide consistent performance and maximize uptime in challenging operating environments, offering a low total cost of ownership.
| Feature | Specification / Description |
|---|---|
| Engine Model | Yanmar 4TNE98 |
| Configuration | In-line 4 Cylinder, 4-Stroke, Water-Cooled Diesel |
| Displacement | Approximately 3.3 - 4.0 Liters |
| Aspiration | Turbocharged & Intercooled |
| Fuel System | Direct Injection |
| Rated Power Range | ~65 - 85 kW (~87 - 114 HP) |
| Emissions Technology | Engineered to meet applicable global standards (e.g., EPA Tier 4 Final / EU Stage V equivalent) |
| Key Design | Durable construction, High torque output, Service-oriented design |
The 4TNE98 is engineered as a versatile and dependable prime mover for medium to heavy-duty equipment.
Agricultural Machinery: Powers mid-to-large tractors, combine harvesters, forage harvesters, balers, and large irrigation systems.
Industrial & Construction Equipment: An ideal power source for generator sets, industrial air compressors, large forklifts, compactors, and drilling rigs.
Material Handling & Special Vehicles: Suitable for heavy-duty forklifts, terminal tractors, and other vocational vehicles.
1. High-Torque, Direct Injection Design
The engine utilizes a robust direct injection fuel system combined with efficient turbocharging and intercooling. This configuration is optimized to produce high levels of torque at low engine speeds, providing excellent lugging power and responsiveness for equipment that operates under heavy, variable loads.
2. Durable Construction for Maximum Uptime
Built with a high-strength cylinder block and premium internal components, the 4TNE98 is designed to withstand continuous, severe-duty cycles. This focus on structural integrity and durability ensures long service life, high reliability, and reduced risk of unplanned downtime.
3. Service-Friendly and Cost-Effective Operation
The engine features a logical layout with accessible service points, simplifying routine maintenance and repairs. Combined with its fuel-efficient operation and durable design, this contributes to a lower total cost of ownership over the engine's lifecycle.

The Yanmar 4TNE98 is a heavy-duty, water-cooled diesel engine engineered to deliver reliable, high-torque power for a wide range of demanding industrial, agricultural, and construction equipment. Built on Yanmar's legacy of durability and efficiency, this engine is designed to provide consistent performance and maximize uptime in challenging operating environments, offering a low total cost of ownership.
| Feature | Specification / Description |
|---|---|
| Engine Model | Yanmar 4TNE98 |
| Configuration | In-line 4 Cylinder, 4-Stroke, Water-Cooled Diesel |
| Displacement | Approximately 3.3 - 4.0 Liters |
| Aspiration | Turbocharged & Intercooled |
| Fuel System | Direct Injection |
| Rated Power Range | ~65 - 85 kW (~87 - 114 HP) |
| Emissions Technology | Engineered to meet applicable global standards (e.g., EPA Tier 4 Final / EU Stage V equivalent) |
| Key Design | Durable construction, High torque output, Service-oriented design |
The 4TNE98 is engineered as a versatile and dependable prime mover for medium to heavy-duty equipment.
Agricultural Machinery: Powers mid-to-large tractors, combine harvesters, forage harvesters, balers, and large irrigation systems.
Industrial & Construction Equipment: An ideal power source for generator sets, industrial air compressors, large forklifts, compactors, and drilling rigs.
Material Handling & Special Vehicles: Suitable for heavy-duty forklifts, terminal tractors, and other vocational vehicles.
1. High-Torque, Direct Injection Design
The engine utilizes a robust direct injection fuel system combined with efficient turbocharging and intercooling. This configuration is optimized to produce high levels of torque at low engine speeds, providing excellent lugging power and responsiveness for equipment that operates under heavy, variable loads.
2. Durable Construction for Maximum Uptime
Built with a high-strength cylinder block and premium internal components, the 4TNE98 is designed to withstand continuous, severe-duty cycles. This focus on structural integrity and durability ensures long service life, high reliability, and reduced risk of unplanned downtime.
3. Service-Friendly and Cost-Effective Operation
The engine features a logical layout with accessible service points, simplifying routine maintenance and repairs. Combined with its fuel-efficient operation and durable design, this contributes to a lower total cost of ownership over the engine's lifecycle.
