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L8.9
Cummins
The Cummins L8.9 is a globally proven, 8.9-liter inline-six diesel engine platform designed for optimal performance and reliability in a wide range of mid-range applications. Engineered for superior fuel efficiency, durability, and low total cost of ownership, this versatile platform combines advanced technology with robust design, making it a preferred power choice for demanding on-road and off-road equipment.
| Feature | Specification / Description |
|---|---|
| Platform Series | Cummins L8.9 |
| Configuration | In-line 6 Cylinder, 4-Stroke |
| Displacement | 8.9 L |
| Power Range | Up to 380 HP (283 kW) |
| Aspiration | Turbocharged & Charge-Air Cooled |
| Fuel System | High-Pressure Common Rail (HPCR) |
| Emission Compliance | Configurable for various global standards (e.g., Euro III-V, China National) |
Note: Specifications such as power, torque, and emission technology are defined by the specific model variant (e.g., ISLe, L340 30, 6LTAA) within the L8.9 platform.
The flexibility and power density of the L8.9 platform make it suitable for numerous demanding sectors:
On-Road Trucks: A primary power source for medium and heavy-duty trucks used in regional haulage, distribution, and specialized transport.
Construction & Off-Road Machinery: Powers excavators, wheel loaders, cranes, and compaction equipment requiring reliable torque and durability.
Bus & Coach Applications: Provides clean, efficient, and quiet propulsion for city buses, school buses, and intercity coaches.
Industrial Power Units: Adapted for use in generator sets (G-Drive), pumps, and compressors.
1. Advanced High-Pressure Common Rail (HPCR) Fuel System
The platform utilizes a state-of-the-art HPCR fuel system, which enables ultra-high injection pressures and precise, multi-pulse fuel delivery. This results in cleaner, more efficient combustion, leading to superior fuel economy, reduced engine noise, and lower emissions.
2. Optimized Air-Handling & Combustion Design
Featuring a four-valve-per-cylinder design and advanced turbocharging with charge-air cooling, the engine optimizes airflow for maximum power and torque. A centrally positioned fuel injector and a high-efficiency combustion chamber ensure complete fuel burn, enhancing performance and reliability.
3. Full-Authority Electronic Controls
The engine is managed by a sophisticated Cummins Electronic Control Module (ECM). This system provides precise control over fuel, air, and aftertreatment functions for optimized performance, advanced diagnostics, and seamless integration with vehicle systems.
4. Durable Base Engine Construction
Built with a strong, parent bore cylinder block and gear-driven camshaft, the L8.9 platform is designed for long life. Key components, such as forged steel crankshafts and cooled pistons, are engineered to withstand high cylinder pressures and ensure durability in severe operating conditions.
The Cummins L8.9 is a globally proven, 8.9-liter inline-six diesel engine platform designed for optimal performance and reliability in a wide range of mid-range applications. Engineered for superior fuel efficiency, durability, and low total cost of ownership, this versatile platform combines advanced technology with robust design, making it a preferred power choice for demanding on-road and off-road equipment.
| Feature | Specification / Description |
|---|---|
| Platform Series | Cummins L8.9 |
| Configuration | In-line 6 Cylinder, 4-Stroke |
| Displacement | 8.9 L |
| Power Range | Up to 380 HP (283 kW) |
| Aspiration | Turbocharged & Charge-Air Cooled |
| Fuel System | High-Pressure Common Rail (HPCR) |
| Emission Compliance | Configurable for various global standards (e.g., Euro III-V, China National) |
Note: Specifications such as power, torque, and emission technology are defined by the specific model variant (e.g., ISLe, L340 30, 6LTAA) within the L8.9 platform.
The flexibility and power density of the L8.9 platform make it suitable for numerous demanding sectors:
On-Road Trucks: A primary power source for medium and heavy-duty trucks used in regional haulage, distribution, and specialized transport.
Construction & Off-Road Machinery: Powers excavators, wheel loaders, cranes, and compaction equipment requiring reliable torque and durability.
Bus & Coach Applications: Provides clean, efficient, and quiet propulsion for city buses, school buses, and intercity coaches.
Industrial Power Units: Adapted for use in generator sets (G-Drive), pumps, and compressors.
1. Advanced High-Pressure Common Rail (HPCR) Fuel System
The platform utilizes a state-of-the-art HPCR fuel system, which enables ultra-high injection pressures and precise, multi-pulse fuel delivery. This results in cleaner, more efficient combustion, leading to superior fuel economy, reduced engine noise, and lower emissions.
2. Optimized Air-Handling & Combustion Design
Featuring a four-valve-per-cylinder design and advanced turbocharging with charge-air cooling, the engine optimizes airflow for maximum power and torque. A centrally positioned fuel injector and a high-efficiency combustion chamber ensure complete fuel burn, enhancing performance and reliability.
3. Full-Authority Electronic Controls
The engine is managed by a sophisticated Cummins Electronic Control Module (ECM). This system provides precise control over fuel, air, and aftertreatment functions for optimized performance, advanced diagnostics, and seamless integration with vehicle systems.
4. Durable Base Engine Construction
Built with a strong, parent bore cylinder block and gear-driven camshaft, the L8.9 platform is designed for long life. Key components, such as forged steel crankshafts and cooled pistons, are engineered to withstand high cylinder pressures and ensure durability in severe operating conditions.