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2026
  1. Home
  2. Generators
  3. Cummins
  4. C1100D5B

1100 kVA Cummins Open Diesel Generator

Cummins C1100D5B | 1100 kVA Open Diesel Generator
* Image(s) are for illustration purposes only, actual configuration may differ slightly.

Cummins C1100D5B

1100 kVA Open Diesel Generator

Standby1132 kVA
906 kW
Prime1029 kVA
823 kW
EngineCummins KTA38-G14

AlternatorStamford S6L1DF

Control PanelCummins PowerCommand 3.3

Frequency50Hz

Phase3

Voltage400V

Fuel TankN/A
View Full Data Sheet

POA

SpecsSpecifications
Documents
Delivery
ContactContact Us

Cummins C1100D5B Diesel Generator Set

Delivering dependable high-capacity power for critical operations, the Cummins C1100D5B is a robust industrial diesel generator designed for demanding standby and prime power applications. Offering up to 1132kVA standby power (906kW) and 1029kVA prime power (823kW) , this heavy-duty generating set combines proven Cummins engine technology with exceptional reliability, fuel efficiency, and operational resilience for businesses that cannot afford downtime.

1132kVA Standby Generator for Critical Backup Power

For organisations that rely on uninterrupted electrical supply, the Cummins C1100D5B provides a powerful and dependable emergency power solution. As a 1132kVA generator , it is ideally suited to large-scale facilities where maintaining business continuity is essential during mains power failures.

The generator is commonly specified for critical environments including:

  • Data centres and server facilities
  • Hospitals and healthcare infrastructure
  • Manufacturing plants
  • Distribution and logistics centres
  • Commercial buildings
  • Utilities and infrastructure projects
  • Mining and industrial operations
  • Airports and transportation hubs

Its substantial standby rating of 906kW ensures sufficient reserve capacity for complex electrical systems, helping organisations maintain operations during unexpected outages and grid instability.

1029kVA Prime Power Generator for Continuous Operation

In locations where utility power is unavailable or unreliable, the Cummins C1100D5B excels as a 1029kVA prime power generator . Engineered for sustained operation under varying loads, it delivers 823kW of prime power , making it suitable for remote sites and continuous-duty applications.

Prime-rated generators are often selected for:

  • Construction projects
  • Remote industrial facilities
  • Quarrying and mining operations
  • Agricultural enterprises
  • Temporary power installations
  • Energy resilience projects

The ability to operate continuously while accommodating fluctuating demand makes this generator a practical choice for businesses requiring dependable off-grid power generation.

Powered by the Proven Cummins KTA38 Engine

At the heart of this industrial generator is the renowned Cummins KTA38 series engine, widely respected throughout the global power generation industry for its durability and performance. Built with a heavy-duty V12 configuration, the engine combines high power density with long service life, making it particularly well suited to mission-critical applications.

Advanced turbocharging and after-cooling technologies help maximise combustion efficiency while maintaining strong performance across varying environmental conditions. The engine's electronic governing system provides precise speed control and rapid load acceptance, supporting stable power delivery during changing operational demands.

This proven powerplant has earned a reputation for reliability in some of the world's most challenging operating environments, giving operators confidence in long-term performance and availability.

Built for Large Industrial Power Requirements

Organisations searching for a large diesel generator often require more than headline power figures. Reliability, maintainability and operational flexibility are equally important considerations.

The Cummins C1100D5B has been engineered to support demanding industrial loads while maintaining efficient operation across a broad load range. Its robust construction and heavy-duty cooling system help ensure dependable performance even in challenging ambient conditions.

For facilities with substantial electrical demands, this generator offers the confidence that comes from proven engineering and global product support. Whether installed as a permanent backup power system or deployed as a primary source of electricity, it is designed to deliver consistent performance when required most.

Fuel Efficiency That Supports Lower Operating Costs

Fuel consumption remains a major consideration when selecting a high-capacity generator. The Cummins C1100D5B has been developed to provide an effective balance between power output and fuel efficiency, helping operators manage operating costs throughout the life of the equipment.

Efficient combustion, advanced air handling and precise electronic control systems contribute to optimised fuel utilisation across varying load conditions. This makes the generator particularly attractive for applications where extended running periods are anticipated.

For businesses evaluating total cost of ownership rather than simply acquisition cost, fuel efficiency can have a significant impact on long-term operating expenditure and overall return on investment.

Engineered for Reliability in Demanding Environments

Industrial power systems must perform consistently under pressure. The Cummins C1100D5B incorporates features designed to enhance reliability and reduce operational risk, supporting continuous performance in demanding environments.

Key benefits include:

  • Heavy-duty industrial engine design
  • Advanced cooling system capability
  • Electronic engine management
  • Stable power delivery under changing loads
  • Proven long-life components
  • Global parts and service support network
  • Suitable for standby and continuous-duty applications

These characteristics make the generator particularly valuable for organisations where downtime carries significant operational or financial consequences.

Flexible Installation Options

Every site presents unique installation requirements. The Cummins C1100D5B is available in both open and enclosed configurations, allowing users to select the most appropriate solution for their operational environment.

Open-set installations are often preferred within dedicated plant rooms or purpose-built generator facilities, while enclosed versions provide enhanced environmental protection and support outdoor deployment. This flexibility helps consultants, contractors and end users integrate the generator into a wide range of project requirements.

The generator's design also supports efficient servicing and maintenance access, helping reduce downtime and simplifying routine maintenance activities throughout its operational life.

Ideal for Mission-Critical Power Applications

Businesses investing in a 900kW standby generator or an 823kW prime power generator are typically supporting critical operations where dependable performance is essential. The Cummins C1100D5B is specifically designed to meet these requirements through a combination of proven engineering, high-capacity power output and operational resilience.

Its capabilities make it particularly well suited to:

  • Emergency backup power systems
  • Data centre power infrastructure
  • Healthcare facilities
  • Industrial manufacturing operations
  • Infrastructure projects
  • Utility support applications
  • Remote site power generation
  • Continuous power production environments

By combining substantial generating capacity with Cummins' established reputation for reliability, the C1100D5B provides a dependable solution for organisations seeking long-term power security.

Why Choose the Cummins C1100D5B?

Selecting a generator in the 1MVA class requires confidence in both performance and support. The Cummins C1100D5B offers an attractive combination of high-output capability, proven engine technology and dependable operation that appeals to consultants, engineers, facility managers and project developers worldwide.

Whether specified as a 1132kVA standby diesel generator for emergency backup power or as a 1029kVA prime generator for continuous operation, this generator set delivers the performance, reliability and operational flexibility required by modern industrial power applications. Backed by one of the most recognised names in power generation, it represents a trusted solution for organisations that demand dependable electrical power when it matters most.

Generators Similar to the Cummins C1100D5B

Cummins C900D5

Cummins C900D5

Cummins C900D5

Standby900 kVA

Prime820 kVA
EngineCummins
TypeOpen
Voltage400V
Made InIndia

POA

Cummins C1000D5

Cummins C1000D5

Cummins C1000D5

Standby1041 kVA

Prime939 kVA
EngineCummins
TypeOpen

Power Output

Standby (ESP) Rating1132 kVA
906 kW

Prime (PRP) Rating1029 kVA
823 kW

Frequency50Hz

Phase3

Voltage400V

Amps Per Phase1636

Generator Set

ConfigurationOpen Type

AlternatorStamford S6L1DF

Control PanelCummins PowerCommand 3.3

Dimensions
Length4478mmWidth1682mmHeight2211mm

Weight
Dry8180kgWet8416kg

Output ConnectionNone

Engine

EngineCummins KTA38-G14

RPM1500

Engine GovernorElectronic

Emissions StandardUnregulated

Radiator Ambient Temp.40°C

Fuel

Fuel TypeDiesel

Fuel Tank CapacityN/A

Consumption208 Litres/hour*

AutonomyN/A

* at 100% prime rated load

Warranty

Standby Applications2 years or 500 hours

Prime Applications1 year unlimited hours
Cummins Generator Warranty Statement
Voltage
400V
Made InUK

POA

Cummins C1100D5

Cummins C1100D5

Cummins C1100D5

Standby1110 kVA

Prime1000 kVA
EngineCummins
TypeOpen
Voltage400V
Made InUK

POA

Cummins C1100D5B

Cummins C1100D5B

Cummins C1100D5B

Standby1132 kVA

Prime1029 kVA
EngineCummins
TypeSilent
Voltage400V
Made InIndia

POA