
Cummins C450D5Q
450 kVA Silent Diesel Generator
360 kW
327 kW
Was £37,620
£36,750 Ex Works + VAT

Was £37,620
£36,750 Ex Works + VAT
The Cummins C450D5Q is a high-performance 450kVA diesel generator engineered to deliver dependable backup and prime power for businesses, infrastructure, industrial facilities, and mission-critical operations. Combining a proven Cummins diesel engine with advanced PowerCommand® controls and Stamford alternator technology, this generator set provides reliable power generation where continuity, efficiency, and operational resilience are essential.
Power outages can have significant operational and financial consequences, making a reliable standby power solution a necessity for many organisations. The Cummins C450D5Q is designed to provide a robust 450kVA standby generator capability, ensuring facilities remain operational when utility power is interrupted. For continuous operational requirements, it also delivers 409kVA prime power, making it suitable for applications where a dependable on-site power source is required for extended periods.
This versatility makes the generator an excellent choice for:
Whether installed as a permanent emergency power system or used as a primary energy source in remote locations, the C450D5Q delivers the reliability expected from a premium Cummins generator.
At the heart of the set is the proven Cummins QSG12 engine, a heavy-duty industrial diesel platform developed for demanding operating environments. Its electronically managed fuel system and turbocharged, after-cooled design help ensure rapid response to load changes while maintaining stable performance under varying operating conditions.
As a 360kW standby generator, the C450D5Q offers the capacity required to support substantial electrical loads across commercial and industrial facilities. The unit also provides 327kW prime power, making it well suited to sites requiring continuous power generation with variable load profiles.
The combination of dependable engine performance and sophisticated control technology helps maintain stable voltage and frequency characteristics, supporting sensitive equipment and critical electrical systems.
Modern power generation requires more than engine performance alone. Effective monitoring, diagnostics, and protection are equally important for maximising uptime and simplifying generator management.
The C450D5Q incorporates the Cummins PowerCommand® 2.2 control platform, an advanced microprocessor-based control system that provides comprehensive generator monitoring, protection, and operational control.
Key operational benefits include:
These capabilities help operators maintain visibility of generator performance while reducing maintenance complexity and improving overall system reliability.
Power quality is a critical consideration when selecting an industrial generator. The Cummins C450D5Q is equipped with a Stamford S Series alternator, recognised worldwide for durability, efficiency, and dependable electrical performance.
The brushless alternator design contributes to long-term reliability while reducing maintenance requirements. Combined with advanced voltage regulation and three-phase sensing technology, the generator delivers stable power suitable for both standard electrical loads and more sensitive equipment.
This makes the unit a strong choice for applications where voltage consistency and dependable operation are essential to business continuity.
Many generator installations operate in challenging environmental conditions. The C450D5Q has been engineered to perform reliably in demanding climates and industrial settings.
Its integrated cooling system is designed and tested for high ambient temperature operation, helping ensure dependable performance even in challenging weather conditions. The radiator system is factory integrated, simplifying installation and reducing site design complexity.
Additional design features contribute to operational resilience, including:
These features help support dependable operation across a wide range of operating environments and load conditions.
Different projects have different installation requirements. To provide flexibility, the Cummins C450D5Q is available as either an open generator set or a weather-protected enclosed generator.
The enclosed version offers additional protection from environmental conditions while also helping to reduce operational noise levels, making it suitable for installations where acoustic performance is an important consideration. The enclosure incorporates features designed to simplify transportation, handling, and maintenance access while protecting key components from external conditions.
For plant rooms and dedicated generator facilities, the open-set configuration provides an effective solution where enclosure protection is not required.
Operational efficiency remains a key consideration for generator owners, particularly in prime power applications. The C450D5Q has been engineered to provide efficient fuel consumption across varying load levels, helping operators manage running costs while maintaining dependable power generation.
The integrated fuel storage capacity supports extended operating periods between refuelling intervals, making the generator suitable for critical standby installations and remote power applications alike.
For organisations seeking a balance between performance, reliability, and operating efficiency, the C450D5Q provides a practical solution capable of supporting both emergency and continuous power requirements.
A reliable backup power system is often the final safeguard against operational disruption. The Cummins C450D5Q has been developed specifically for organisations where power continuity is essential.
It is particularly well suited for:
Backed by Cummins engineering expertise and supported through an extensive global service network, the C450D5Q offers long-term confidence for organisations investing in dependable power generation equipment.
The Cummins C450D5Q combines the performance of a 450kVA diesel generator with the operational flexibility required by modern industrial and commercial users. Delivering 360kW standby power and 327kW prime power, it provides a dependable solution for facilities that cannot afford interruptions to their electrical supply.
With a proven Cummins engine, Stamford alternator, sophisticated PowerCommand® controls, and the option of open or enclosed configurations, the C450D5Q is engineered to deliver reliable power whenever and wherever it is needed.
* at 100% prime rated load