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2026
  1. Home
  2. Generators
  3. Cummins
  4. C450D5

450 kVA Cummins Silent Diesel Generator

Cummins C450D5 | 450 kVA Silent Diesel Generator
* Image(s) are for illustration purposes only, actual configuration may differ slightly.

Cummins C450D5

450 kVA Silent Diesel Generator

Standby450 kVA
360 kW
Prime409 kVA
328 kW
EngineCummins QSG12-G4

AlternatorStamford S4L1G

Control PanelCummins PowerCommand 2.2

Frequency50Hz

Phase3

Voltage400V

Fuel Tank609 Litres
View Full Data Sheet

£45,860 Ex Works + VAT

SpecsSpecifications
Documents
Delivery
ContactContact Us

Cummins C450D5 Diesel Generator Set – 450kVA Standby Power for Critical Applications

The Cummins C450D5 is a high-performance diesel generator designed to deliver dependable standby power and efficient prime power operation for businesses, industrial facilities, infrastructure projects, and mission-critical environments. Offering 450kVA standby power and 409kVA prime power, this robust generating set combines proven Cummins engine technology with exceptional fuel efficiency, making it a trusted solution wherever reliable electrical power is essential.

450kVA Diesel Generator Built for Reliable Standby Power

Power interruptions can have significant operational and financial consequences. The Cummins C450D5 provides a dependable backup power solution that ensures continuity during mains failures, helping organisations protect productivity, equipment, and critical services.

Rated at 450kVA standby power (360kW), this industrial diesel generator is ideally suited to facilities that require immediate and dependable emergency power. From manufacturing plants and commercial buildings to healthcare facilities and data centres, the generator is engineered to perform when uninterrupted power matters most.

Its advanced electronic engine management system continuously monitors performance, enabling precise control, fast response to load changes, and dependable operation under demanding conditions.

409kVA Prime Power Generator for Continuous Operations

For sites operating away from the electrical grid, the Cummins C450D5 also delivers an impressive 409kVA prime power rating (328kW), making it an excellent choice for continuous or extended-run applications.

Whether supporting remote industrial operations, construction projects, mining activities, agricultural facilities, or temporary power installations, the generator provides a reliable source of energy capable of handling varying electrical loads over unlimited operating hours within prime power conditions.

This flexibility allows organisations to deploy a single generating solution across a wide range of applications, reducing complexity while maintaining operational reliability.

Powered by the Proven Cummins QSG12 Engine

At the heart of the C450D5 is the highly regarded Cummins QSG12-G4 diesel engine, a turbocharged and charge-air-cooled power unit engineered for durability, efficiency, and responsive performance. Operating at 1500rpm for 50Hz applications, the engine is specifically designed to deliver dependable power output while maintaining excellent fuel economy.

Cummins engines are recognised globally for their long service life, extensive support network, and ability to operate effectively in challenging environments. The six-cylinder configuration provides smooth power delivery and robust torque characteristics, enabling the generator to handle fluctuating loads with confidence.

For organisations seeking a commercial generator that balances performance with operating efficiency, the QSG12 platform offers a proven and trusted foundation.

Fuel-Efficient Performance for Lower Operating Costs

Fuel consumption remains one of the most important considerations when selecting an industrial generator. The Cummins C450D5 has been engineered to maximise efficiency across varying load conditions, helping operators reduce running costs while maintaining reliable power availability.

This efficient operation delivers several practical advantages:

  • Reduced fuel expenditure during long operating periods
  • Improved cost predictability for prime power applications
  • Extended run times between refuelling intervals
  • Lower overall lifecycle operating costs
  • Enhanced suitability for remote and off-grid locations

These benefits make the C450D5 particularly attractive for businesses where generator operating hours form a significant part of daily operations.

Ideal for Industrial, Commercial and Infrastructure Projects

The versatility of this diesel genset makes it suitable for a broad spectrum of sectors and operational environments.

Common applications include:

  • Manufacturing and processing facilities
  • Data centres and telecommunications infrastructure
  • Hospitals and healthcare environments
  • Distribution centres and logistics hubs
  • Construction and engineering projects
  • Utilities and infrastructure developments
  • Agricultural operations
  • Water treatment and pumping stations
  • Rental power fleets
  • Remote industrial installations

Its combination of substantial output, dependable performance, and operational flexibility enables the generator to support both emergency backup requirements and continuous power generation duties.

Designed for Demanding Environmental Conditions

Many power generation installations operate in challenging climates where ambient temperatures, dust, and varying operating conditions place additional stress on equipment.

The Cummins C450D5 has been designed to maintain reliable performance in demanding environments, supported by an advanced cooling system and robust engine architecture. Its turbocharged air-handling system ensures effective combustion and efficient power production, while the integrated cooling package supports stable operation during high-load conditions.

This capability is particularly valuable for operators in remote locations, industrial facilities, and regions where environmental conditions can be unpredictable.

Advanced Alternator and Power Quality

Power quality is a critical consideration for modern facilities that rely on sensitive electronic equipment, automated systems, and sophisticated industrial processes.

The alternator package integrated within the C450D5 is designed to provide stable voltage regulation and dependable electrical performance across a range of operating conditions. This contributes to consistent power delivery, helping protect connected equipment while supporting efficient system operation.

For facilities running variable loads, the generator's responsive performance helps maintain operational stability while minimising disruption during power transitions.

Easy Integration into New and Existing Installations

The C450D5 has been developed with installation flexibility in mind, allowing it to be incorporated into both new-build projects and existing power systems.

Available in open-set and enclosed configurations, the generator can be adapted to suit different site requirements, environmental considerations, and acoustic objectives. This flexibility supports deployment across industrial facilities, commercial premises, infrastructure developments, and temporary power projects.

Its practical design also facilitates maintenance access, helping service personnel perform routine inspections and scheduled servicing efficiently.

Why Choose the Cummins C450D5 Generator?

When investing in a large diesel generator, buyers require confidence in performance, reliability, and long-term support. The Cummins C450D5 delivers on all three.

Key advantages include:

  • 450kVA standby generator capability for emergency power protection
  • 360kW standby power output for critical applications
  • 409kVA prime power generator performance for continuous operation
  • 328kW prime power capacity for off-grid installations
  • Proven Cummins QSG12-G4 engine technology
  • Strong fuel efficiency across varying load profiles
  • Reliable operation in demanding environments
  • Global Cummins service and parts support network
  • Flexible suitability across industrial and commercial sectors
  • Robust design engineered for long operational life

A Trusted Power Generation Solution

For organisations seeking a dependable 450kVA diesel generator that combines proven engineering with operational efficiency, the Cummins C450D5 represents an excellent investment. Its ability to provide reliable standby power during utility outages while also supporting continuous prime power applications makes it a versatile solution for a wide range of industries.

Backed by Cummins' global reputation for quality and reliability, the C450D5 delivers the confidence, performance, and durability required by modern businesses that cannot afford to compromise on power availability.

Generators Similar to the Cummins C450D5

Cummins C330D5EQ

Cummins C330D5EQ

Cummins C330D5EQ

Standby330 kVA

Prime300 kVA
EngineCummins
TypeSilent
Voltage400V
Made InEurope

£29,185Ex Works + VAT

Cummins C450D5Q

Weekly Special
Cummins C450D5Q

Cummins C450D5Q

Power Output

Standby (ESP) Rating450 kVA
360 kW

Prime (PRP) Rating409 kVA
328 kW

Frequency50Hz

Phase3

Voltage400V

Amps Per Phase650

Generator Set

ConfigurationSilent Canopied

AlternatorStamford S4L1G

Control PanelCummins PowerCommand 2.2

Dimensions
Length5092mmWidth1564mmHeight2375mm

Weight
Dry4490kgWet5220kg

Canopy Noise Level78 dB(A) at 1m

Output ConnectionCircuit Breaker (4 Pole)

Engine

EngineCummins QSG12-G4

RPM1500

Engine GovernorElectronic

Emissions StandardUnregulated

Radiator Ambient Temp.50°C

Fuel

Fuel TypeDiesel

Fuel Tank Capacity609 Litres

Consumption82 Litres/hour*

Autonomy7.4 hours*

* at 100% prime rated load

Warranty

Standby Applications2 years or 500 hours

Prime Applications1 year unlimited hours
Cummins Generator Warranty Statement
Standby450 kVA

Prime409 kVA
EngineCummins
TypeSilent
Voltage400V
Made InEurope

£36,750Ex Works + VAT

Cummins C500D5

Cummins C500D5

Cummins C500D5

Standby500 kVA

Prime455 kVA
EngineCummins
TypeSilent
Voltage400V
Made InChina

£53,395Ex Works + VAT

Cummins C550D5QB

Cummins C550D5QB

Cummins C550D5QB

Standby550 kVA

Prime500 kVA
EngineCummins
TypeSilent
Voltage400V
Made InEurope

£45,145Ex Works + VAT