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2026
  1. Home
  2. Generators
  3. Cummins
  4. C900D5

900 kVA Cummins Silent Diesel Generator

Cummins C900D5 | 900 kVA Silent Diesel Generator
* Image(s) are for illustration purposes only, actual configuration may differ slightly.

Cummins C900D5

900 kVA Silent Diesel Generator

Standby900 kVA
720 kW
Prime820 kVA
656 kW
EngineCummins QSK23-G3

AlternatorStamford S6L1DD

Control PanelCummins PowerCommand 3.3

Frequency50Hz

Phase3

Voltage400V

Fuel Tank800 Litres
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Cummins C900D5 Canopied Diesel Generator

The Cummins C900D5 Canopied generator is a high-capacity diesel power solution engineered for dependable performance in demanding standby and prime power applications. Delivering up to 900 kVA standby power and 820 kVA prime power, this enclosed generator combines proven Cummins engine technology with robust acoustic protection.

900 kVA Diesel Generator for Critical Power Applications

When uninterrupted power is essential, the C900D5 Silent generator provides the reliability and performance expected from one of the world's most respected power generation manufacturers. Designed to support facilities where downtime is not an option, this generator offers substantial electrical output capable of supporting complex and energy-intensive operations.

Its 720 kW standby rating provides emergency backup power during utility failures, while the 656 kW prime power rating enables continuous operation where grid power is unavailable or unreliable.

  • Data centres and IT facilities
  • Hospitals and healthcare environments
  • Manufacturing plants
  • Distribution centres and warehouses
  • Utility and infrastructure projects
  • Mining operations
  • Large commercial buildings
  • Construction sites
  • Agricultural and food processing facilities

For organisations seeking a dependable 900 kVA generator that can perform under demanding conditions, the C900D5 delivers the capability required for both planned and emergency power generation.

Powered by the Proven Cummins QSK23 Engine

At the heart of the C900D5 Canopied generator is the highly respected Cummins QSK23 engine. This heavy-duty diesel engine has earned a strong reputation worldwide for durability, fuel efficiency, and long service life in challenging operating environments.

The engine features advanced turbocharging and after-cooling technology that helps maximise power output while maintaining efficient combustion. Combined with electronic governing, the generator delivers responsive load acceptance and stable frequency control, helping protect sensitive equipment and maintain operational continuity.

The robust engine design is particularly beneficial for applications where load demands can fluctuate significantly throughout the day. Whether supporting industrial machinery, mission-critical systems, or large commercial operations, the generator is engineered to provide reliable performance throughout extended operating periods.

Silent Generator Designed for Reduced Noise Impact

One of the key advantages of the C900D5 Silent generator is its enclosed acoustic canopy. The integrated enclosure helps reduce operational noise levels while providing additional protection from environmental conditions, making the unit suitable for installations where noise management is an important consideration.

  • Urban developments
  • Commercial premises
  • Healthcare facilities
  • Educational campuses
  • Infrastructure projects
  • Remote industrial locations

The enclosure also helps protect key components from adverse weather, dust, and debris, contributing to long-term reliability and reducing maintenance concerns in demanding environments.

Ideal for Standby and Prime Power Generation

The C900D5 Enclosed generator has been developed to support both emergency backup power and continuous prime power duties. This versatility makes it an attractive option for organisations operating across multiple sectors and geographical regions.

For standby power applications, the generator automatically supports critical systems during mains power interruptions, helping businesses avoid costly downtime and operational disruption.

For prime power applications, it can serve as the primary source of electricity in off-grid environments where utility connections are unavailable. This capability is particularly valuable for remote construction projects, mining operations, temporary power installations, and infrastructure developments.

Its ability to operate efficiently under varying load conditions provides users with a flexible power solution capable of adapting to changing operational requirements.

Engineered for Demanding Environmental Conditions

The C900D5 Canopied generator has been designed with operational resilience in mind. Advanced cooling capabilities support reliable performance in challenging climates, making the generator suitable for deployment across a wide range of international locations.

This makes the generator particularly attractive for customers operating in regions where high ambient temperatures, heavy workloads, or extended operating hours place additional demands on power generation equipment.

The enclosed package is built to withstand the rigours of industrial use while maintaining dependable performance and operational stability. This level of durability helps minimise disruption and supports long-term asset value.

Efficient Fuel Performance for Large-Scale Operations

Fuel efficiency remains an important consideration for organisations operating large diesel generators. The C900D5 Silent generator is engineered to deliver strong performance while maintaining efficient fuel consumption across varying load profiles.

For operators running prime power applications, efficient fuel usage can significantly influence overall operating costs. The advanced engine management and combustion systems help optimise performance, allowing businesses to achieve dependable power generation while maintaining operational efficiency.

This balance between power output and fuel economy is particularly valuable for long-duration applications where running costs are a key consideration.

Simplified Maintenance and Serviceability

Ease of maintenance plays a vital role in generator ownership, particularly for large industrial installations. The C900D5 Enclosed generator has been designed to provide straightforward service access, helping maintenance teams carry out inspections and routine servicing efficiently.

The proven Cummins platform also benefits from extensive global support networks, readily available parts, and widespread technical expertise. For businesses operating internationally, this can provide additional confidence when investing in long-term power generation infrastructure.

Routine maintenance can be planned effectively, helping maximise generator availability and support long-term operational reliability.

Why Choose the Cummins C900D5 Canopied Generator?

Selecting the right industrial diesel generator requires balancing performance, reliability, efficiency, and long-term support. The C900D5 Canopied generator successfully combines these essential characteristics within a robust enclosed package designed for demanding applications.

  • Powerful 900 kVA standby generator capability
  • Reliable 820 kVA prime power performance
  • Proven Cummins QSK23 diesel engine
  • Acoustic enclosure for quieter operation
  • Suitable for critical power environments
  • Designed for industrial and commercial applications
  • Strong load acceptance and operational stability
  • Efficient performance across varying load conditions
  • Global Cummins support and parts availability
  • Built for demanding operating environments

For organisations seeking a dependable 900 kVA diesel generator that delivers exceptional performance, operational flexibility, and long-term reliability, the Cummins C900D5 Silent generator represents a highly capable solution for both standby and prime power requirements. Its combination of proven engineering, enclosed protection, and substantial power output makes it a trusted choice for critical installations throughout the UK and worldwide.

Generators Similar to the Cummins C900D5

Cummins C550D5

Cummins C550D5

Cummins C550D5

Standby550 kVA

Prime500 kVA
EngineCummins
TypeSilent
Voltage400V
Made InChina

£53,535Ex Works + VAT

Cummins C900D5

Cummins C900D5

Cummins C900D5

Standby900 kVA

Prime820 kVA
EngineCummins
Type

Power Output

Standby (ESP) Rating900 kVA
720 kW

Prime (PRP) Rating820 kVA
656 kW

Frequency50Hz

Phase3

Voltage400V

Amps Per Phase1301

Generator Set

ConfigurationSilent Canopied

AlternatorStamford S6L1DD

Control PanelCummins PowerCommand 3.3

Dimensions
Length5708mmWidth2108mmHeight2467mm

Weight
Dry9868kgWet9984kg

Canopy Noise Level85 dB(A) at 1m

Output ConnectionCircuit Breaker (4 Pole)

Engine

EngineCummins QSK23-G3

RPM1500

Engine GovernorElectronic

Emissions StandardUnregulated

Radiator Ambient Temp.45°C

Fuel

Fuel TypeDiesel

Fuel Tank Capacity800 Litres

Consumption163.8 Litres/hour*

Autonomy4.9 hours*

* at 100% prime rated load

Warranty

Standby Applications2 years or 500 hours

Prime Applications1 year unlimited hours
Cummins Generator Warranty Statement
Open
Voltage400V
Made InIndia

POA

Cummins C1100D5B

Cummins C1100D5B

Cummins C1100D5B

Standby1132 kVA

Prime1029 kVA
EngineCummins
TypeSilent
Voltage400V
Made InIndia

POA

Cummins C1250D5AB

Cummins C1250D5AB

Cummins C1250D5AB

Standby1250 kVA

Prime1125 kVA
EngineCummins
TypeSilent
Voltage400V
Made InIndia

POA