< Back


The 24 - 220 kVA range provides reliable power for today's world with a competitive offering that delivers everything you need. Providing unrivalled quality, the 24 - 220 kVA range of products offers a trusted performance with an enhanced choice of options, optimising the range for a variety of diverse applications and environments. Designed with the demands of today's world in mind, this range will deliver power solutions in all sectors, from industry and retail to finance and healthcare.

Generator Set Specifications

Minimum Rating 50.0 kVA / 50.0 kW 50.0 kVA / 50.0 kW Less
Maximum Rating 55.0 kVA / 55.0 kW 55.0 kVA / 55.0 kW Less
Emissions/Fuel Strategy EU Stage IIIA emissions compliant. EU Stage IIIA emissions compliant. Less
Voltage 220-240 Volts 220-240 Volts Less
Frequency 50 hz 50 hz Less
Speed 1500 RPM 1500 RPM Less
50 Hz Prime 50.0 kVA / 50.0 kW 50.0 kVA / 50.0 kW Less
50 Hz Standby 55.0 kVA / 55.0 kW 55.0 kVA / 55.0 kW Less

Engine Specifications

Engine Model Perkins® 1104D-44TG2/3 Perkins® 1104D-44TG2/3 Less
Compression Ratio 18.23:1 18.23:1 Less
Governor Type Mechanical Mechanical Less
Bore 105 mm (4.1 in) 105 mm (4.1 in) Less
Displacement 4.4l (268.5 cu. in) 4.4l (268.5 cu. in) Less
Stroke 127 mm (5 in) 127 mm (5 in) Less

FG Wilson Diesel Engine

Perkins Engine


Benefiting from a choice of leading alternators, the range incorporates the Leroy Somer alternator as standard across three phase models.


The FG Wilson DCP range allows you to monitor and control your generator set with ease, providing important diagnostic information whilst ensuring your unit operates within safe parameters. FG Wilson DCP digital control panels, provide simple, intuitive menu navigation and control of your generator set operations. Key information is displayed via the LCD screen and LED's using universally recognised symbols, eliminating the need for complex instructions or language settings.

Design Criteria

Prime Rating These ratings are applicable for supplying continuous electrical power (at variable load) in lieu of commercially purchased power. There is no limitation to the annual hours of operation and this model can supply 10% overload power for 1 hour in 12 hours. Standby Rating These ratings are applicable for supplying continuous electrical power (at variable load) in the event of a utility power failure. No overload is permitted on these ratings. The alternator on this model is peak continuous rated (as defined in ISO 8528-3). Standard Reference Conditions Note: Standard reference conditions 25°C (77°F) Air Inlet Temp, 100m (328 ft) A.S.L. 30% relative humidity. Fuel consumption data at full load with diesel fuel with specific gravity of 0.85 and conforming to BS2869: 1998, Class A2.

Single-Source Supplier

Fully prototype tested with certified torsional vibration analysis available

World Wide Product Support

FG Wilson manufactures product in the following locations: Northern Ireland • Brazil • China • India • USA With headquarters in Northern Ireland, FG Wilson operates through a Global Dealer Network.

P55-6S Standard Equipment

  • Air Cleaner
  • Lube oil drain valve
  • Engine filled with lubrication oil
  • High Coolant Temperature Shutdown
  • Low Oil Pressure Shutdown

  • Radiator & Cooling Fan
  • Coolant Drain Valve
  • Fan, Fan drive and battery charging Alternator drive fully guarded to meet EC Machinery Directive
  • Cooling System filled with Coolant mix

  • Exhaust flange outlet
  • Exhaust stub pipe and gasket

  • 8 Hr Fuel Tank
  • Fuel Fittings for Local and Remote Feed

  • Leroy Somer
  • SHUNT Excitation
  • IP23 Protection

Control Panel
  • DCP-10

  • Base, Formed Steel with Single wall Fuel Tank
  • Certified Base Mounted Lifting Eyes, and Rear Drag Eyelets
  • Anti-vibration mounts
  • Battery Tray and Cables

P55-6S Optional Equipment

  • Industrial, Residential, Critical Silencers

  • Quadrature Droop Kit (AR6)
  • Anti-Condensation Heater and Panel Circuitry (AH1)

Control Panels
  • PowerWizard 1.1 Control Panel (PWT1.1)
  • PowerWizard 1.1+ Control Panel (PWT1.1+)
  • PowerWizard 2.1 Control Panel (PWT2.1)

  • Lead Acid battery (Dry)

  • Upgrade to Standard Set for "CE" Certification
  • EEC Declaration of Conformity
  • Narrow, Wide or Skid Base
  • Sound attenuated, steel or galvanised enclosure
  • Dual wall fuel tanks