55 kVA Cummins Q Range Silent Diesel Generator

£9,800 Ex Works + VAT

Cummins C55D5EQ | 55kVA Silent Diesel Generator

Cummins C55D5EQ

55 kVA Silent Diesel Generator

Standby55 kVA
44 kW
Prime50 kVA
40 kW
EngineCummins 4BTAA3.3-G14

AlternatorStamford UCI224D

Control PanelCummins PowerStart 0600

Frequency50Hz

Phase3

Voltage400V

Fuel Tank200 Litres

Made InEurope

£9,800 Ex Works + VAT

Cummins C55D5EQ 55kVA Diesel Generator

The Cummins C55D5EQ is a dependable and efficient 55kVA diesel generator designed to deliver reliable standby and prime power for commercial, industrial and infrastructure applications. Offering 55kVA standby power (44kW) and 50kVA prime power (40kW), it combines proven Cummins technology, advanced controls and excellent fuel efficiency.

55kVA Standby Generator for Critical Backup Power

Power interruptions can have significant operational and financial consequences. The Cummins C55D5EQ is engineered to provide rapid, dependable emergency power during mains failures, helping businesses maintain continuity and protect critical equipment.

As a 55kVA standby generator, this model is well suited to offices, warehouses, manufacturing facilities, agricultural operations, telecom installations, retail premises and commercial buildings where reliable backup power is essential. Its fast response to changing load demands ensures stable performance during power outages, allowing operations to continue with minimal disruption.

The integrated design combines the engine, alternator, cooling system and control platform into a single factory-tested package, simplifying installation while supporting long-term reliability.

44kW Diesel Generator Powered by Proven Cummins Technology

At the heart of the C55D5EQ is a rugged Cummins industrial diesel engine developed for demanding power generation applications. Built with durability and reliability in mind, the engine features turbocharged and after-cooled technology that delivers responsive performance while maintaining excellent fuel economy.

As a 44kW diesel generator, the C55D5EQ offers an ideal balance between power output and operating efficiency. The engine is designed to perform consistently under varying load conditions, making it suitable for both emergency standby and continuous operational requirements.

  • Reliable starting performance in a wide range of environmental conditions
  • Strong load acceptance characteristics
  • Efficient fuel utilisation for lower running costs
  • Proven durability for demanding industrial applications
  • Worldwide support from the Cummins service network

This combination of performance and reliability makes the C55D5EQ a trusted solution for organisations that cannot afford power interruptions.

50kVA Prime Generator for Continuous Duty Applications

In locations where utility power is unavailable or unreliable, the Cummins C55D5EQ performs exceptionally as a 50kVA prime generator. With a 40kW prime power rating, it is capable of supporting variable electrical loads for extended operating periods.

This makes the generator suitable for:

  • Construction sites
  • Remote industrial facilities
  • Agricultural operations
  • Quarrying and mining support services
  • Temporary power installations
  • Infrastructure and utility projects

The generator is designed to deliver consistent power output throughout long operating cycles while maintaining excellent fuel efficiency and dependable performance.

Fuel-Efficient Industrial Generator for Lower Operating Costs

Running costs remain a key consideration when selecting a power generation solution. The C55D5EQ has been engineered to provide impressive fuel economy across a broad operating range, helping reduce total ownership costs over the life of the generator.

Its efficient diesel engine and optimised power generation package allow operators to maximise productivity while minimising fuel consumption. The integrated fuel system also supports extended operating periods, making the generator particularly attractive for remote applications where refuelling opportunities may be limited.

For organisations seeking a fuel-efficient diesel generator, the C55D5EQ delivers an effective balance of performance, reliability and economy.

Three-Phase Generator for Commercial and Industrial Power Systems

Designed for standard industrial and commercial electrical installations, the C55D5EQ operates as a three-phase generator suitable for a wide range of equipment and facilities.

The generator produces stable electrical output through a high-quality Stamford alternator, recognised globally for reliability and performance. The brushless alternator design reduces maintenance requirements while supporting consistent voltage delivery across varying load conditions.

This makes the generator well suited for powering:

  • Motors and pumps
  • Manufacturing equipment
  • HVAC systems
  • Data and communications infrastructure
  • Agricultural machinery
  • Building services installations

Stable power delivery helps protect connected equipment while supporting operational efficiency.

Advanced Generator Control and Monitoring

The C55D5EQ is equipped with the PowerStart control system, providing comprehensive generator monitoring, protection and operational management.

The intelligent controller delivers a user-friendly interface that allows operators to monitor generator performance, review operating data and respond quickly to system events. Automatic mains failure functionality enables seamless operation during utility outages, while remote start and stop capabilities provide additional flexibility.

Control system benefits include:

  • Automatic mains failure operation
  • Comprehensive engine and alternator protection
  • Digital metering and diagnostics
  • Event and fault logging
  • Remote monitoring integration
  • Modbus communications capability
  • Maintenance reminders and service alerts

These advanced features help improve reliability while simplifying generator management.

Sound-Attenuated Generator Designed for Everyday Use

For installations where noise reduction is important, the enclosed version of the C55D5EQ provides effective sound attenuation without compromising accessibility or performance.

The acoustic enclosure is engineered to reduce operational noise while maintaining excellent airflow and cooling performance. Access panels allow straightforward servicing and maintenance, helping minimise downtime during routine inspections.

The enclosed design is particularly beneficial for:

  • Commercial premises
  • Public buildings
  • Educational facilities
  • Healthcare environments
  • Residential-adjacent developments
  • Urban infrastructure projects

The result is a quieter power generation solution suitable for a wider range of installation environments.

Reliable Performance in Challenging Conditions

Industrial generators are often required to operate in demanding environments. The C55D5EQ has been designed with robust cooling and air handling systems that support reliable operation across a broad range of ambient temperatures.

Its integrated radiator and cooling package simplify installation planning while ensuring effective temperature management during prolonged operation. The generator's durable construction and proven components contribute to dependable performance in challenging operating conditions.

Whether supporting a critical facility during an emergency or delivering continuous power on a remote site, the generator is engineered to provide confidence and operational security.

Why Choose the Cummins C55D5EQ Generator?

Selecting a generator is about more than power output alone. Buyers also require long-term reliability, service support, operating efficiency and ease of ownership.

The Cummins C55D5EQ stands out by combining:

  • 55kVA standby power capability
  • 44kW emergency backup performance
  • 50kVA prime power operation
  • 40kW continuous-duty capability
  • Proven Cummins diesel engine technology
  • Stamford industrial alternator
  • Advanced PowerStart controller
  • Excellent fuel efficiency
  • Open and sound-attenuated enclosure options
  • Global parts and service support network

For organisations seeking a dependable industrial diesel generator, a reliable commercial backup generator, or a versatile three-phase power generation solution, the Cummins C55D5EQ delivers the performance, efficiency and durability required for demanding applications.

Power Output

Standby (ESP) Rating55 kVA
44 kW

Prime (PRP) Rating50 kVA
40 kW

Frequency50Hz

Phase3

Voltage400V

Amps Per Phase79

Output ConnectionCircuit Breaker (4 Pole)

Generator Set

ConfigurationSilent Canopied

AlternatorStamford UCI224D

Control PanelCummins PowerStart 0600

Dimensions
Length2320mmWidth1015mmHeight1685mm

Weight
Dry1235kgWet1263kg

Canopy Noise Level77 dB(A) at 1m / 67 dB(A) at 7m

Made InEurope

HS Code850211

Engine

EngineCummins 4BTAA3.3-G14

RPM1500

Engine GovernorMechanical

Emissions StandardStage IIIA

Radiator Ambient Temp.50°C

Fuel

Fuel TypeDiesel

Fuel Tank Capacity200 Litres

Consumption12 Litres/hour*

Autonomy16.7 hours*

* at 100% prime rated load

Warranty

Standby Applications2 years or 500 hours

Prime Applications1 year unlimited hours
Cummins Generator Warranty Statement