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NT855-G2A
Cummins
The Cummins NT855-G2A is a heavy-duty, 14-liter generator drive (G-Drive) diesel engine engineered for continuous, prime, and standby power applications. Renowned for its robust construction and the legendary reliability of the NT855 platform, this engine is the cornerstone of dependable power generation systems worldwide. It offers excellent fuel efficiency, low life-cycle costs, and the durability required for mission-critical operations in the most demanding environments.
| Feature | Specification / Description |
|---|---|
| Engine Model | Cummins NT855-G2A |
| Configuration | In-line 6 Cylinder, 4-Stroke |
| Displacement | 14.0 L (855 cu in) |
| Aspiration | Turbocharged & Aftercooled |
| Fuel System | Cummins PT (Pressure-Time) Direct Injection |
| Governor | Electronic |
| Typical Power Rating (Standby/Prime) | 250-300 kW range (specific rating depends on speed and application setup) |
| Frequency/Speed | 50 Hz (1500 RPM) or 60 Hz (1800 RPM) |
The NT855-G2A is specifically designed as a Generator Drive (G-Drive) engine. Its primary application is to serve as the prime mover for industrial and commercial diesel generator sets, providing power for:
Continuous & Prime Power: For remote mining sites, large agricultural operations, and industrial plants with limited or no grid access.
Emergency Standby Power: Critical backup for hospitals, data centers, telecommunications facilities, and water treatment plants.
Construction & Project Power: Mobile power for large construction sites, film production, and major public events, often in trailer-mounted or containerized units.
1. Proven PT Fuel System for Reliability
The engine features the mechanically robust Cummins PT (Pressure-Time) fuel system. Known for its simplicity and durability, this system provides precise fuel metering and stable operation with minimal maintenance, ensuring consistent performance even with varying fuel qualities.
2. Efficient Turbocharged Performance
The turbocharged and aftercooled (TTA) design forces more cool, dense air into the cylinders. This enhances combustion efficiency, leading to greater power output, improved fuel economy, and lower exhaust temperatures for enhanced component durability.
3. Optimized for Generator Set Integration
As a dedicated G-Drive engine, it is designed for seamless integration with generator ends. Key features include:
Electronic Governing: Provides precise speed control for stable frequency and voltage output, crucial for sensitive electrical equipment.
High-Availability Design: Built with durable components like replaceable wet cylinder liners and a strong gear train for long service life and easy in-frame overhaul potential.
Environmental Adaptability: Capable of reliable operation in a wide range of ambient conditions, including high temperatures and altitudes.
The Cummins NT855-G2A is a heavy-duty, 14-liter generator drive (G-Drive) diesel engine engineered for continuous, prime, and standby power applications. Renowned for its robust construction and the legendary reliability of the NT855 platform, this engine is the cornerstone of dependable power generation systems worldwide. It offers excellent fuel efficiency, low life-cycle costs, and the durability required for mission-critical operations in the most demanding environments.
| Feature | Specification / Description |
|---|---|
| Engine Model | Cummins NT855-G2A |
| Configuration | In-line 6 Cylinder, 4-Stroke |
| Displacement | 14.0 L (855 cu in) |
| Aspiration | Turbocharged & Aftercooled |
| Fuel System | Cummins PT (Pressure-Time) Direct Injection |
| Governor | Electronic |
| Typical Power Rating (Standby/Prime) | 250-300 kW range (specific rating depends on speed and application setup) |
| Frequency/Speed | 50 Hz (1500 RPM) or 60 Hz (1800 RPM) |
The NT855-G2A is specifically designed as a Generator Drive (G-Drive) engine. Its primary application is to serve as the prime mover for industrial and commercial diesel generator sets, providing power for:
Continuous & Prime Power: For remote mining sites, large agricultural operations, and industrial plants with limited or no grid access.
Emergency Standby Power: Critical backup for hospitals, data centers, telecommunications facilities, and water treatment plants.
Construction & Project Power: Mobile power for large construction sites, film production, and major public events, often in trailer-mounted or containerized units.
1. Proven PT Fuel System for Reliability
The engine features the mechanically robust Cummins PT (Pressure-Time) fuel system. Known for its simplicity and durability, this system provides precise fuel metering and stable operation with minimal maintenance, ensuring consistent performance even with varying fuel qualities.
2. Efficient Turbocharged Performance
The turbocharged and aftercooled (TTA) design forces more cool, dense air into the cylinders. This enhances combustion efficiency, leading to greater power output, improved fuel economy, and lower exhaust temperatures for enhanced component durability.
3. Optimized for Generator Set Integration
As a dedicated G-Drive engine, it is designed for seamless integration with generator ends. Key features include:
Electronic Governing: Provides precise speed control for stable frequency and voltage output, crucial for sensitive electrical equipment.
High-Availability Design: Built with durable components like replaceable wet cylinder liners and a strong gear train for long service life and easy in-frame overhaul potential.
Environmental Adaptability: Capable of reliable operation in a wide range of ambient conditions, including high temperatures and altitudes.