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4TNV88
Yanmar

The Yanmar 4TNV88 is a robust, water-cooled 4-cylinder diesel engine engineered to deliver an exceptional balance of power density, fuel efficiency, and legendary reliability. Designed for continuous operation in demanding industrial, construction, and agricultural equipment, this engine combines advanced combustion technology with a compact design to provide a superior power solution with a low total cost of ownership.
| Feature | Specification / Description |
|---|---|
| Engine Model | Yanmar 4TNV88 |
| Configuration | In-line 4 Cylinder, 4-Stroke, Water-Cooled Diesel |
| Displacement | ~2.0 - 3.0 Liters (Representative for series) |
| Aspiration | Naturally Aspirated or Turbocharged (Model dependent) |
| Fuel System | Direct Injection with Electronic Control |
| Rated Power Range | ~30 - 60 kW (~40 - 80 HP) |
| Emissions Compliance | EPA Tier 4 Final / EU Stage V (Typical for platform) |
| Key Feature | Compact design, High power-to-weight ratio, Low NVH |
The 4TNV88 is engineered as a versatile and dependable prime mover for a wide range of medium-duty mobile and stationary equipment.
Compact Construction Machinery: An ideal power source for small excavators, compact wheel loaders, skid-steer loaders, and light compaction equipment.
Agricultural Equipment: Powers mid-size tractors, combine harvesters, telehandlers, and high-capacity irrigation pump sets.
Power Generation & Industrial: Provides reliable prime or standby power for industrial generator sets (25-50 kVA range) and drives for industrial air compressors, pumps, and welders.
1. Advanced High-Pressure Fuel System & Combustion
The engine utilizes an efficient high-pressure direct injection system, often with electronic control for precise fuel metering. Combined with an optimized combustion chamber design, this ensures complete fuel burn for excellent fuel economy, high power output, and low exhaust emissions, enabling compliance with stringent global standards.
2. Robust and Compact Design
Built with a high-strength cylinder block and crankshaft, the 4TNV88 is designed for durability under continuous load. Its compact overall dimensions and excellent power-to-weight ratio facilitate easier integration into various equipment chassis without compromising performance or serviceability.
3. Low Noise, Vibration & Harshness (NVH)
Through meticulous engineering—including balanced rotating parts, structural optimization, and advanced accessory drive systems—the engine operates with remarkably low noise and vibration levels. This enhances operator comfort and allows the equipment to meet strict environmental noise regulations.

The Yanmar 4TNV88 is a robust, water-cooled 4-cylinder diesel engine engineered to deliver an exceptional balance of power density, fuel efficiency, and legendary reliability. Designed for continuous operation in demanding industrial, construction, and agricultural equipment, this engine combines advanced combustion technology with a compact design to provide a superior power solution with a low total cost of ownership.
| Feature | Specification / Description |
|---|---|
| Engine Model | Yanmar 4TNV88 |
| Configuration | In-line 4 Cylinder, 4-Stroke, Water-Cooled Diesel |
| Displacement | ~2.0 - 3.0 Liters (Representative for series) |
| Aspiration | Naturally Aspirated or Turbocharged (Model dependent) |
| Fuel System | Direct Injection with Electronic Control |
| Rated Power Range | ~30 - 60 kW (~40 - 80 HP) |
| Emissions Compliance | EPA Tier 4 Final / EU Stage V (Typical for platform) |
| Key Feature | Compact design, High power-to-weight ratio, Low NVH |
The 4TNV88 is engineered as a versatile and dependable prime mover for a wide range of medium-duty mobile and stationary equipment.
Compact Construction Machinery: An ideal power source for small excavators, compact wheel loaders, skid-steer loaders, and light compaction equipment.
Agricultural Equipment: Powers mid-size tractors, combine harvesters, telehandlers, and high-capacity irrigation pump sets.
Power Generation & Industrial: Provides reliable prime or standby power for industrial generator sets (25-50 kVA range) and drives for industrial air compressors, pumps, and welders.
1. Advanced High-Pressure Fuel System & Combustion
The engine utilizes an efficient high-pressure direct injection system, often with electronic control for precise fuel metering. Combined with an optimized combustion chamber design, this ensures complete fuel burn for excellent fuel economy, high power output, and low exhaust emissions, enabling compliance with stringent global standards.
2. Robust and Compact Design
Built with a high-strength cylinder block and crankshaft, the 4TNV88 is designed for durability under continuous load. Its compact overall dimensions and excellent power-to-weight ratio facilitate easier integration into various equipment chassis without compromising performance or serviceability.
3. Low Noise, Vibration & Harshness (NVH)
Through meticulous engineering—including balanced rotating parts, structural optimization, and advanced accessory drive systems—the engine operates with remarkably low noise and vibration levels. This enhances operator comfort and allows the equipment to meet strict environmental noise regulations.
