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"The PRO Rental Range provides reliable power for today's world with a competitive offering that delivers everything you need. Providing unrivalled quality

Generator Set Specifications

Minimum Rating 500.0 kVA / 400.0 kW 500.0 kVA / 400.0 kW Less
Maximum Rating 525.0 kVA / 420.0 kW 525.0 kVA / 420.0 kW Less
Emissions/Fuel Strategy Fuel optimised Fuel optimised Less
50 Hz Prime 500.0 kVA / 400.0 kW 500.0 kVA / 400.0 kW Less
50 Hz Standby - / - - / - Less
60 Hz Prime 525.0 kVA / 420.0 kW 525.0 kVA / 420.0 kW Less
60 Hz Standby - / - - / - Less
Frequency 50 / 60 Hz Switchable 50 / 60 Hz Switchable Less
Speed 1500 / 1800 RPM 1500 / 1800 RPM Less
Voltage 127-480 Volts 127-480 Volts Less

Engine Specifications

Engine Model 2506A-E15TAG2 2506A-E15TAG2 Less
Bore 137 mm (5.4 in) 137 mm (5.4 in) Less
Stroke 171 mm (6.7 in) 171 mm (6.7 in) Less
Governor Type Electronic Electronic Less
Displacement 15.2l (928.0 cu. in) 15.2l (928.0 cu. in) Less
Compression Ratio 16:01 16:01 Less

FG Wilson Diesel Engine

Perkins Diesel Engine


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

PowerWizard 2.1+

The FG Wilson PowerWizard range of digital control panels, combine straightforward menu navigation with advanced metering and protection technology. They are used in automatic mains failure applications in conjunction with transfer panels. Our PowerWizard range allows you to monitor and control your generator set with ease, whilst ensuring your unit operates within safe parameters and provides important diagnostic information when needed.

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.

PRO500-1 Standard Equipment

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

  • Cooling package mounted radiator with high ambient capability
  • Coolant Drain Valve
  • 50% coolant antifreeze with corrosion inhibitor
  • Pusher fan with guards

  • Integrated spark arresting silencer with flexible connectors, in separate compartment

  • 784 L single wall fuel tank, 9 hr runtime @ 75% prime rating
  • Auxiliary connections for customer supplied fuel transfer with 3 way fuel transfer system, internally mounted within the bunded area.

  • Leroy Somer
  • SHUNT Excitation
  • IP23 Protection

Control Panel
  • PowerWizard 2.1+

  • Generator set soft mounted using captive vibration mounts
  • Heavy duty steel base frame contains integral fuel tank
  • Forklift pockets and heavy duty drag bar with skid plates
  • Battery Tray and Cables

PRO500-1 Optional Equipment

  • 24V battery charger

  • CE labelling
  • 1000 Hour Service Interval
  • Anti-condensation heater 230 VAC
  • Coolant heater 230 VAC
  • Earth Leakage
  • Lube oil sump pump
  • Dual wall fuel tank

Control Panel
  • Synchronising control panel and motorised breakers

  • Permanent Magnet Generator (PMG)