
Cummins C15D5Q
15 kVA Silent Diesel Generator
12 kW
10.4 kW
£6,700 Ex Works + VAT

£6,700 Ex Works + VAT
The Cummins C15D5Q is a compact yet highly capable diesel generator delivering 15 kVA standby power (12 kW) and 13 kVA prime power (10.4 kW). Combining a proven Cummins industrial engine, Stamford alternator, and advanced digital controls, this generator set provides dependable power for commercial, industrial, agricultural, and off-grid applications where reliability is essential.
Power outages can have serious consequences for businesses, facilities, and critical infrastructure. The Cummins C15D5Q has been engineered to provide dependable emergency power whenever the mains supply becomes unavailable, helping organisations protect operations, equipment, and productivity.
As a 12 kW standby generator, the C15D5Q offers an ideal solution for smaller commercial premises, workshops, agricultural buildings, telecom installations, security systems, and remote facilities that require reliable backup power. Its rapid response to load changes helps maintain stable operation during power interruptions, ensuring essential systems remain operational when they are needed most.
The generator is designed to provide confidence in demanding environments, making it a practical choice for organisations seeking a reliable diesel backup generator supported by one of the world's most respected power generation manufacturers.
In locations where utility power is unavailable or unreliable, the C15D5Q excels as a prime power solution. Delivering 13 kVA prime power and 10.4 kW of continuous-duty capability, it provides dependable electricity for applications that require long operating hours and consistent performance.
As a 10.4 kW prime power generator, it is particularly well suited to remote sites, temporary installations, construction projects, agricultural operations, and infrastructure applications where dependable electricity is essential for daily activities.
Its ability to handle varying electrical loads efficiently makes it an excellent choice for operators seeking a compact generator that combines fuel economy with reliable performance throughout extended operating periods.
The heart of the C15D5Q is a rugged Cummins diesel engine developed specifically for power generation applications. Cummins engines are trusted worldwide for their durability, efficiency, and long-term reliability, making them a preferred choice across commercial and industrial sectors.
Designed for demanding operating conditions, the engine provides excellent responsiveness to fluctuating load requirements while maintaining stable performance. This capability ensures dependable operation whether the generator is being used as a 12 kW backup generator during a utility outage or as a 10.4 kW prime power generator supporting continuous off-grid operations.
Key benefits of the Cummins engine platform include:
For buyers seeking a genuine Cummins diesel generator with global support and proven performance, the C15D5Q represents an excellent investment.
A generator's performance is only as strong as the quality of its electrical output. The C15D5Q incorporates a Stamford alternator, a trusted name in power generation known for delivering reliable and stable electrical performance.
The brushless alternator design helps minimise maintenance while providing dependable voltage regulation under varying operating conditions. This contributes to stable power delivery, helping protect connected equipment and ensuring smooth operation across a wide range of applications.
For facilities operating sensitive electronics, control systems, communications equipment, or essential business infrastructure, the generator's high-quality alternator provides additional peace of mind.
One of the C15D5Q's greatest strengths is its versatility. Its compact footprint allows installation in locations where space may be limited, while its industrial-grade construction ensures dependable operation across a broad range of sectors.
Common applications include:
As a compact 12 kW diesel generator, it delivers an excellent balance of power output, installation flexibility, and operating efficiency.
The Cummins PowerStart control system provides intelligent monitoring and operational management, helping operators maintain optimal generator performance at all times.
Designed for ease of use, the controller continuously monitors critical engine and alternator functions while providing operators with clear performance information and diagnostic capabilities.
Features include:
These advanced capabilities help improve reliability, simplify operation, and support preventative maintenance strategies.
Operating efficiency remains a key consideration when selecting a commercial generator. The C15D5Q has been designed to maximise fuel economy while maintaining dependable performance under varying load conditions.
Its efficient engine and integrated fuel system help reduce operating costs while providing the endurance required for both standby and prime power applications. This makes the generator particularly attractive for remote locations where fuel management and operational efficiency are important considerations.
The balance between power output and fuel consumption contributes to lower total ownership costs throughout the life of the generator.
Many installations require reliable power generation without creating excessive noise. The enclosed version of the Cummins C15D5Q incorporates acoustic attenuation features designed to reduce operational sound levels while maintaining excellent cooling performance.
This makes it suitable for installations near offices, public buildings, residential developments, educational facilities, and other noise-sensitive environments.
The weather-protective enclosure also helps shield key components from environmental conditions, supporting dependable year-round operation while helping extend service life.
Every element of the Cummins C15D5Q has been designed with durability in mind. From the industrial-grade engine and Stamford alternator to the integrated cooling system and sophisticated control platform, the generator is engineered to provide dependable service over many years of operation.
Routine maintenance is straightforward thanks to accessible service points and globally available replacement parts. Combined with Cummins' extensive distributor and service network, this ensures owners can maintain peak performance throughout the generator's lifecycle.
For businesses investing in standby or prime power equipment, long-term reliability is often one of the most important purchasing considerations, and the C15D5Q has been developed to meet those expectations.
The Cummins C15D5Q combines 15 kVA standby power, 12 kW backup power, 13 kVA prime power, and 10.4 kW continuous-duty capability in a compact and highly reliable package. Whether deployed as a standby generator protecting critical business operations or operating as a prime power solution in remote locations, it delivers the performance, efficiency, and dependability expected from a world-leading generator manufacturer.
With its proven Cummins engine, Stamford alternator, intelligent PowerStart controls, efficient operation, and global support infrastructure, the C15D5Q provides a dependable power generation solution for organisations that demand reliable electricity whenever and wherever it is required.
* at 100% prime rated load