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NT855-G1B
Cummins
The Cummins NT855-G1B is a heavy-duty, 14-liter diesel engine engineered specifically for reliable generator drive (G-Drive) applications. As part of the legendary NT855 series, this engine is built to deliver robust performance, fuel efficiency, and exceptional durability for continuous or standby power generation. It is designed to provide a stable and efficient power source for a wide range of industrial, commercial, and critical facility needs.
| Feature | Specification / Description |
|---|---|
| Engine Model | Cummins NT855-G1B |
| 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 / Mechanical (Application specific) |
| Typical Power Output | Fits within the common NT855-G series range for prime and standby power (e.g., 200-300 kW zone). Exact rating depends on RPM and configuration. |
| Key Feature | G-Drive (Generator Drive) Optimized |
The NT855-G1B is purpose-built as the prime mover for diesel generator sets. Its core application is to provide reliable electrical power for:
Prime & Continuous Power: Serving as the primary power source for industrial plants, mining sites, agricultural operations, and remote locations without stable grid access.
Emergency Standby Power: Providing critical backup power for hospitals, data centers, telecommunications facilities, water treatment plants, and commercial buildings.
Construction & Mobile Power: Used in mobile and trailer-mounted generator sets for construction projects, film sets, and temporary event power.
1. Proven PT Fuel System for Reliability
The engine utilizes the renowned Cummins PT (Pressure-Time) fuel system. This mechanically governed system is celebrated for its simplicity, durability, and precise fuel delivery. It ensures stable operation, easy maintenance, and reliable performance even with varying fuel qualities, contributing to low lifecycle costs.
2. Efficient Turbocharged & Aftercooled Design
Featuring turbocharging with aftercooling (TTA), the engine forces a greater mass of cool, dense air into the cylinders. This technology significantly enhances combustion efficiency, leading to higher power output, improved fuel economy, and reduced exhaust temperatures for enhanced component durability.
3. Robust Construction for Long Service Life
Built on the durable NT855 platform, it incorporates a heavy-duty cast-iron cylinder block and replaceable wet cylinder liners. This design ensures excellent heat dissipation, allows for straightforward in-frame overhauls, and provides the structural strength needed for continuous operation in demanding environments.
4. Optimized for Power Generation
As a dedicated G-Drive engine, it is designed for seamless integration with generator ends. Key features include a precision governor for stable frequency and voltage regulation, and an overall design focus on consistent performance under variable electrical loads.
The Cummins NT855-G1B is a heavy-duty, 14-liter diesel engine engineered specifically for reliable generator drive (G-Drive) applications. As part of the legendary NT855 series, this engine is built to deliver robust performance, fuel efficiency, and exceptional durability for continuous or standby power generation. It is designed to provide a stable and efficient power source for a wide range of industrial, commercial, and critical facility needs.
| Feature | Specification / Description |
|---|---|
| Engine Model | Cummins NT855-G1B |
| 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 / Mechanical (Application specific) |
| Typical Power Output | Fits within the common NT855-G series range for prime and standby power (e.g., 200-300 kW zone). Exact rating depends on RPM and configuration. |
| Key Feature | G-Drive (Generator Drive) Optimized |
The NT855-G1B is purpose-built as the prime mover for diesel generator sets. Its core application is to provide reliable electrical power for:
Prime & Continuous Power: Serving as the primary power source for industrial plants, mining sites, agricultural operations, and remote locations without stable grid access.
Emergency Standby Power: Providing critical backup power for hospitals, data centers, telecommunications facilities, water treatment plants, and commercial buildings.
Construction & Mobile Power: Used in mobile and trailer-mounted generator sets for construction projects, film sets, and temporary event power.
1. Proven PT Fuel System for Reliability
The engine utilizes the renowned Cummins PT (Pressure-Time) fuel system. This mechanically governed system is celebrated for its simplicity, durability, and precise fuel delivery. It ensures stable operation, easy maintenance, and reliable performance even with varying fuel qualities, contributing to low lifecycle costs.
2. Efficient Turbocharged & Aftercooled Design
Featuring turbocharging with aftercooling (TTA), the engine forces a greater mass of cool, dense air into the cylinders. This technology significantly enhances combustion efficiency, leading to higher power output, improved fuel economy, and reduced exhaust temperatures for enhanced component durability.
3. Robust Construction for Long Service Life
Built on the durable NT855 platform, it incorporates a heavy-duty cast-iron cylinder block and replaceable wet cylinder liners. This design ensures excellent heat dissipation, allows for straightforward in-frame overhauls, and provides the structural strength needed for continuous operation in demanding environments.
4. Optimized for Power Generation
As a dedicated G-Drive engine, it is designed for seamless integration with generator ends. Key features include a precision governor for stable frequency and voltage regulation, and an overall design focus on consistent performance under variable electrical loads.