Diesel Generator Sets


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The FG Wilson rental range of generator sets are used by rental fleet owners in a wide variety of applications where temporary power needs exist including telecommunications, manufacturing, events and construction.


Standby Rating
Prime Rating 20 kVA (16 kW)
Frequency 50 Hz
Standby Run Time (Full Load)
Prime Run Time (Full Load) 8.5 Hours


Engine Perkins® 404D-22G
Fuel Diesel


Width 950mm (37.4 in)
Height 1485 mm (58.5 in)
Length 1685 mm (66.3 in)
Weight 744 kg (1640 lb)

Fuel / Emissions Strategy

EUIIIa Emissions Compliant

Generator Set

EUIIIa Emissions Compliant

Complete System Designed And Built At ISO 9001 Certified Facility

Factory Tested To Design Specifications At Full Load Conditions


Governor, Mechanical

Electrical System, 12V DC

Cartridge Type Filters

Fuel/Water Separator

Battery, Rack And Cables


Insulation System, Class H

Screen Protected And Drip-Proof, Self Exciting, Self-Regulating With Fully Interconnected Damper Windings, IC06 Cooling System And Sealed-For-Life Bearings

Electrical Design In Accordance With BS5000 Part 99, IEC60034-1, EN61000-6, NEMA MG-1.22

Control System

Manual/Autostart Control Panel

Vibration Isolated, NEMA 1 Enclosure With Lockable Hinged Door

DC And AC Wiring Harnesses

Multi-Voltage System

480/277V 3 phase 208/120V 3 phase 240/120V 1 phase

Switchable Voltage Output:

480/277V 3 phase 208/120V 3 phase 240/120V 1 phase

Convenience Receptacles

Hinged Door Over Main Connectors

NEMA 1 Steel Enclosure, Vibration Isolated

Circuit Breaker

Dual, 3-Pole With Solid Neutral, UL/CSA Listed

Mounting Arrangement

Sound Attenuated Enclosure

Body made from sheet steel components pretreated with zinc phosphate prior to polyester powder coating at 200° C (392° F)

Fully Weatherproof Sound Attenuated Enclosure With Internal Exhaust Silencer

Highly Corrosion Resistant Construction

Body made from sheet steel components pretreated with zinc phosphate prior to polyester powder coating at 200° C (392° F)

Equipment Finish

All Electroplated Hardware

Anti-Corrosive Protection Prior To Painting

High Gloss Polyurethane Paint For Durability And Scuff Resistanc


All equipment carries full manufacturers warranty

Operation And Maintenance Manuals Provided

Wiring Diagrams Included


All equipment carries full manufacturers warranty

Automatic Voltage Regulator

Voltage within the limits of +/- 0.5% for 3 Phase and +/- 1% for Single Phase operation at steady state from no load to full load

Quality Standards

IEC60034, EN61000-6, NEMA MG-1.22

XD20P4Standard Equipment

Galvanized Sound Attenuated Enclosure
System 4 Alternator
3-Way Fuel Valve
24 Hour Fuel Tank
  • Low Fuel Level Shutdown

XD20P4Optional Equipment

  • Fuel tank - UL listed double wall tank base with 24 hour minimum supply
  • Battery charger
  • Electronic Governor required for operation at 60 Hz
  • Anti-Condensation Heater
Cooling System
  • Engine Water heaters
Miscellaneous Accessories
  • Additional operator’s manual pack