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3TNV88
Yanmar

The Yanmar 3TNV88 is a high-performance, water-cooled diesel engine engineered to deliver an exceptional balance of power density, fuel efficiency, and legendary Yanmar reliability in a compact package. Designed for the most demanding light industrial and construction environments, this engine integrates advanced clean-engine technology with robust construction to provide a versatile and durable power solution that maximizes uptime and minimizes total cost of ownership.
| Feature | Specification / Description |
|---|---|
| Engine Model | Yanmar 3TNV88 |
| Configuration | In-line 3 Cylinder, 4-Stroke, Water-Cooled Diesel |
| Displacement | ~2.2 - 2.5 Liters (Representative for this power class) |
| Aspiration | Turbocharged & Intercooled |
| Fuel System | High-Pressure Common Rail with Electronic Control |
| Rated Power Range | ~40 - 55 kW (Approx. 54 - 74 HP) |
| Emissions Compliance | EPA Tier 4 Final / EU Stage V |
| Key Design | Compact, High Power-to-Weight Ratio, Low NVH |
The 3TNV88 is engineered as a versatile prime mover for medium-duty compact equipment requiring reliable, high-torque power.
Compact Construction Machinery: An ideal power source for mid-sized compact track loaders, mini excavators, trenchers, mobile light towers, and aerial work platforms.
Agricultural & Grounds Care Equipment: Provides dependable power for compact utility tractors, large commercial mowers, sprayers, and specialized agricultural implements.
Power Generation & Industrial: Serves as an efficient and robust driver for generator sets, industrial air compressors, pump sets, and welding equipment.
1. Advanced High-Pressure Common Rail Fuel System
The engine features a state-of-the-art high-pressure common rail fuel system managed by a sophisticated Electronic Control Module (ECM). This enables ultra-precise, multiple injections per cycle, optimizing combustion for superior fuel economy, significantly reduced engine noise and vibrations, lower emissions, and exceptionally responsive power delivery.
2. Efficient Turbocharged Performance with Integrated Cooling
The integrated turbocharger with intercooler forces a dense charge of cool air into the cylinders. This dramatically enhances combustion efficiency and power density, allowing the engine to deliver strong low-end torque and high power output from its compact 3-cylinder design, perfect for equipment requiring excellent lugging capability.
3. Fully Integrated Emissions Control System
Engineered to meet the world's strictest emission standards, the 3TNV88 incorporates a fully integrated aftertreatment system. This system typically combines advanced technologies such as a Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), and Selective Catalytic Reduction (SCR) to ensure clean, compliant operation without compromising on performance or durability.
4. Durable, Compact Design for Maximum Uptime
Built with a high-strength cylinder block and premium internals designed for severe-duty cycles, the engine ensures long service life and reliability. Its compact footprint and excellent power-to-weight ratio facilitate easy integration into various equipment, while the design supports extended service intervals for lower operating costs.

The Yanmar 3TNV88 is a high-performance, water-cooled diesel engine engineered to deliver an exceptional balance of power density, fuel efficiency, and legendary Yanmar reliability in a compact package. Designed for the most demanding light industrial and construction environments, this engine integrates advanced clean-engine technology with robust construction to provide a versatile and durable power solution that maximizes uptime and minimizes total cost of ownership.
| Feature | Specification / Description |
|---|---|
| Engine Model | Yanmar 3TNV88 |
| Configuration | In-line 3 Cylinder, 4-Stroke, Water-Cooled Diesel |
| Displacement | ~2.2 - 2.5 Liters (Representative for this power class) |
| Aspiration | Turbocharged & Intercooled |
| Fuel System | High-Pressure Common Rail with Electronic Control |
| Rated Power Range | ~40 - 55 kW (Approx. 54 - 74 HP) |
| Emissions Compliance | EPA Tier 4 Final / EU Stage V |
| Key Design | Compact, High Power-to-Weight Ratio, Low NVH |
The 3TNV88 is engineered as a versatile prime mover for medium-duty compact equipment requiring reliable, high-torque power.
Compact Construction Machinery: An ideal power source for mid-sized compact track loaders, mini excavators, trenchers, mobile light towers, and aerial work platforms.
Agricultural & Grounds Care Equipment: Provides dependable power for compact utility tractors, large commercial mowers, sprayers, and specialized agricultural implements.
Power Generation & Industrial: Serves as an efficient and robust driver for generator sets, industrial air compressors, pump sets, and welding equipment.
1. Advanced High-Pressure Common Rail Fuel System
The engine features a state-of-the-art high-pressure common rail fuel system managed by a sophisticated Electronic Control Module (ECM). This enables ultra-precise, multiple injections per cycle, optimizing combustion for superior fuel economy, significantly reduced engine noise and vibrations, lower emissions, and exceptionally responsive power delivery.
2. Efficient Turbocharged Performance with Integrated Cooling
The integrated turbocharger with intercooler forces a dense charge of cool air into the cylinders. This dramatically enhances combustion efficiency and power density, allowing the engine to deliver strong low-end torque and high power output from its compact 3-cylinder design, perfect for equipment requiring excellent lugging capability.
3. Fully Integrated Emissions Control System
Engineered to meet the world's strictest emission standards, the 3TNV88 incorporates a fully integrated aftertreatment system. This system typically combines advanced technologies such as a Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), and Selective Catalytic Reduction (SCR) to ensure clean, compliant operation without compromising on performance or durability.
4. Durable, Compact Design for Maximum Uptime
Built with a high-strength cylinder block and premium internals designed for severe-duty cycles, the engine ensures long service life and reliability. Its compact footprint and excellent power-to-weight ratio facilitate easy integration into various equipment, while the design supports extended service intervals for lower operating costs.
