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QSX15-G8
Cummins
The Cummins QSX15-G8 is a high-performance, 15-liter generator drive (G-Drive) engine engineered to deliver robust, efficient, and exceptionally reliable power for mission-critical and high-capacity applications. As a key model in the renowned QSX15-G series, it is built on a platform known for its legendary durability and advanced technology, providing an optimal balance of power density, fuel efficiency, and low total cost of ownership for the most demanding power generation needs.
| Feature | Specification / Description |
|---|---|
| Engine Model | Cummins QSX15-G8 |
| Configuration | In-line 6 Cylinder, 4-Stroke Diesel |
| Displacement | 15.0 Liters |
| Aspiration | Turbocharged & Aftercooled |
| Fuel System | Cummins XPI (Xtra-High Pressure Injection) Common Rail |
| Governor | Electronic Governor |
| Emissions Compliance | Configured for global market standards (e.g., EPA Tier 2, Tier 4 Interim equivalents) |
| Key Designation | "G8" indicates a specific high-power configuration within the QSX15-G series for generator sets. |
Note: The QSX15-G series offers a range of power outputs. The "G8" suffix denotes a specific high-power rating within this range. For certified Prime (PRP) and Standby (ESP) power ratings (in kVA/kW) at 50 Hz or 60 Hz, please consult the official Cummins performance datasheet for this exact model.
The QSX15-G8 is purpose-built as the prime mover for industrial and commercial diesel generator sets. Its robust design makes it ideal for applications where power reliability and continuous operation are paramount:
Critical Facility Standby Power: Ensures uninterrupted operation for large data centers, major hospitals, international airports, and telecommunications infrastructure.
Prime & Continuous Power: Provides primary electricity for large mining sites, remote oil & gas production facilities, major manufacturing plants, and island grids.
Large-Scale Project & Utility Power: Used for major construction projects, utility peak shaving, and large commercial complex power plants.
1. Advanced XPI (Xtra-High Pressure Injection) Fuel System
The engine is equipped with the Cummins XPI high-pressure common rail fuel system. This technology enables ultra-precise fuel injection control and timing, ensuring optimal combustion for superior fuel efficiency, stable operation under varying loads, and lower emissions, which is critical for consistent power quality and operating economy.
2. Optimized for Generator Set Performance
As a dedicated G-Drive engine, its design prioritizes seamless integration with generator ends. It features a precision electronic governing system for excellent frequency and voltage regulation, along with heavy-duty drivetrain components built to handle the constant loads typical of power generation, ensuring long-term reliability.
3. Durable Platform for Maximum Uptime
Built on the proven and rugged QSX15 platform, it incorporates heavy-duty core components like a forged steel crankshaft and a rigid cylinder block. This robust construction is engineered for extended service intervals and long operational life, minimizing unplanned downtime and delivering a low total cost of ownership
The Cummins QSX15-G8 is a high-performance, 15-liter generator drive (G-Drive) engine engineered to deliver robust, efficient, and exceptionally reliable power for mission-critical and high-capacity applications. As a key model in the renowned QSX15-G series, it is built on a platform known for its legendary durability and advanced technology, providing an optimal balance of power density, fuel efficiency, and low total cost of ownership for the most demanding power generation needs.
| Feature | Specification / Description |
|---|---|
| Engine Model | Cummins QSX15-G8 |
| Configuration | In-line 6 Cylinder, 4-Stroke Diesel |
| Displacement | 15.0 Liters |
| Aspiration | Turbocharged & Aftercooled |
| Fuel System | Cummins XPI (Xtra-High Pressure Injection) Common Rail |
| Governor | Electronic Governor |
| Emissions Compliance | Configured for global market standards (e.g., EPA Tier 2, Tier 4 Interim equivalents) |
| Key Designation | "G8" indicates a specific high-power configuration within the QSX15-G series for generator sets. |
Note: The QSX15-G series offers a range of power outputs. The "G8" suffix denotes a specific high-power rating within this range. For certified Prime (PRP) and Standby (ESP) power ratings (in kVA/kW) at 50 Hz or 60 Hz, please consult the official Cummins performance datasheet for this exact model.
The QSX15-G8 is purpose-built as the prime mover for industrial and commercial diesel generator sets. Its robust design makes it ideal for applications where power reliability and continuous operation are paramount:
Critical Facility Standby Power: Ensures uninterrupted operation for large data centers, major hospitals, international airports, and telecommunications infrastructure.
Prime & Continuous Power: Provides primary electricity for large mining sites, remote oil & gas production facilities, major manufacturing plants, and island grids.
Large-Scale Project & Utility Power: Used for major construction projects, utility peak shaving, and large commercial complex power plants.
1. Advanced XPI (Xtra-High Pressure Injection) Fuel System
The engine is equipped with the Cummins XPI high-pressure common rail fuel system. This technology enables ultra-precise fuel injection control and timing, ensuring optimal combustion for superior fuel efficiency, stable operation under varying loads, and lower emissions, which is critical for consistent power quality and operating economy.
2. Optimized for Generator Set Performance
As a dedicated G-Drive engine, its design prioritizes seamless integration with generator ends. It features a precision electronic governing system for excellent frequency and voltage regulation, along with heavy-duty drivetrain components built to handle the constant loads typical of power generation, ensuring long-term reliability.
3. Durable Platform for Maximum Uptime
Built on the proven and rugged QSX15 platform, it incorporates heavy-duty core components like a forged steel crankshaft and a rigid cylinder block. This robust construction is engineered for extended service intervals and long operational life, minimizing unplanned downtime and delivering a low total cost of ownership