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Home›FG Wilson›FG Wilson P22-4

FG Wilson P22-4 Generator Set

The FG Wilson P22-4 is a 18.3 kW (20 kVA) standby generator set powered by a Perkins 404D-22G engine. It is available at , 3-phase and 50 Hz. It holds about 6 L (1.6 gal) of oil and 45 L (11.9 gal) of coolant. The set measures 1684×860×1252 mm (66.3×33.9×49.3 in), weighs about 45 kg (99 lb) and produces 62.6 dBA at 15 m. An integrated tank holds 728 L (192.3 gal), roughly 1605 hours of runtime. The same 404D-22G engine also powers generator sets from Aurora Generators, Lees, Olympian, Perkins and Pramac.

18 kW
Standby
2.216 L
Displacement
6.0 L
Oil capacity
3
Document types

How to read your FG Wilson serial & model number →

On this pageService partsSpecsEngineMaintenanceFuel consumptionDocumentsFAQSame engineEngine filters

Service parts for the P22-4

Grouped by system, with how many of each the parts manual calls for.

Air intake

1 required
901047Air filter$62.83NAPA

Fuel system

1 required
OD11917Fuel filter$11.96NAPA

Oil system

1 required
51806Oil filter$15.99eBay

Prices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.

Specifications

Frequency50.0 Hz
Standby power18 kW
Standby kVA20
Prime power17 kW
Oil capacity6.0 L
Phase3
Power factor0.8
Coolant capacity[45, 48] L
Dimensions (L×W×H)1684×860×1252 mm
Dry weight45 kg
Sound level59.5 dBA @ [15, 7, 1] m
Fuel tank728.0 L
Tank runtime1605 hr

Engine

Perkins 404D-22G
Oil capacity8.5 L
Coolant capacity7.0 L
Displacement2.216 L
AspirationDiesel
Rated speed1500 rpm

Filters for the Perkins 404D-22G

3

Engine-mounted filters the filter manufacturers list for this engine family. These come from the engine, not from this generator set’s own parts list, so confirm against your serial number before ordering.

SystemFilterDescriptionCross-references
Oil filterP550335Lube Filter, Spin-On Full FlowPERKINS 140517000, PERKINS 915155, NAPA 1348, NAPA 400068 KuduParts $97.00 FridayParts $114.25
Fuel filterP556245Fuel Filter, CartridgePERKINS 26511171, PERKINS 26556611, NAPA 3166, RENAULT VI 0001231108 KuduParts $20.00 FridayParts $22.11
Fuel / water separatorP551423Fuel Filter, Water Separator Spin-OnPERKINS 26560138, PERKINS 26560140, NAPA 3531, NAPA 600091 KuduParts $18.00 FridayParts $20.00

Same engine, other brands

5 brands

The Perkins 404D-22G in this set also powers 9 generator sets sold under 5 other brands. Service parts and maintenance intervals for the engine are shared; enclosure, alternator, controller and ratings are not.

BrandModels
Aurora GeneratorsAGi15P-E, AGi20P
LeesLSP14S3-E, LSP26S3-6
Perkins404D-22, 404D-22G ElectropaK
PramacP16.5-6S, P22-6
OlympianXQE20-2

Maintenance & consumables

for the Perkins 404D-22G
ItemSpecCapacityPart #Interval
Air filterAir filter901047300 hr Amazon eBay $63.75 NAPA $62.83 FridayParts $24.99 KuduParts $110.00
Fuel filterFuel filterOD119171340 hr Amazon eBay $14.99 NAPA $11.96 KuduParts $20.00
Oil filterOil filter518061800 hr Amazon eBay $15.99 NAPA $20.60
Battery—16 hr
Belt—1800 hr
Coolant7.0—16 hr
Coolant filter—
Oil500 hr oil change interval10.6—500 hr
Spark plug—16 hr

Common questions

What is the power rating of the FG Wilson P22-4?

The FG Wilson P22-4 is rated 18 kW standby (20.0 kVA).

What engine does the FG Wilson P22-4 use?

The FG Wilson P22-4 is powered by the Perkins 404D-22G engine.

What is the oil capacity of the FG Wilson P22-4?

The Perkins 404D-22G engine in the FG Wilson P22-4 has an oil capacity of 8.5 liters.

How much coolant does the FG Wilson P22-4 hold?

The FG Wilson P22-4 cooling system holds [45, 48] liters for the radiator system including the engine, per the manufacturer specification sheet.

What is the continuous rating of the FG Wilson P22-4?

The FG Wilson P22-4 is rated 17 kW prime (20 kVA), against 18 kW standby.

How loud is the FG Wilson P22-4?

The FG Wilson P22-4 is rated at 59.5 dBA at [15, 7, 1] m, per the manufacturer specification sheet.

How much does the FG Wilson P22-4 weigh?

The FG Wilson P22-4 has a dry weight of 45 kg (99 lb).

What size fuel tank does the FG Wilson P22-4 have?

The FG Wilson P22-4 has a 728 liter (192 US gallon) fuel tank, giving about 1605 hours of runtime.

What oil filter does the FG Wilson P22-4 use?

The FG Wilson P22-4 uses oil filter part number 51806.

What fuel filter does the FG Wilson P22-4 use?

The FG Wilson P22-4 uses fuel filter part number OD11917.

What air filter fits the FG Wilson P22-4?

The FG Wilson P22-4 uses air filter part number 901047.

Parts

47
Part #DescriptionQtySystem
110996920PERKINS 404D-22, 404D-22DT, 404C-22, 404C-22T, 104-19, 104-22 OIL PAN GASKETGasket Amazon eBay $15.99
111147741PERKINS 404D-22 CYL HEAD GASKET 0.4MMGasket Amazon eBay $36.00 FridayParts $36.00
111996401PERKINS 404D-22, 404D-22T, 404D-22TA, 404C-22, 404C-22T, 403D-17 VALVE COVER GASKETGasket Amazon eBay $19.00
404D-22OIL FILTER2Oil filter Amazon eBay FridayParts $10.50 SinoCMP $129.00
LLB1114BLeroy Somer1Alternator Amazon eBay
LLB1114DLeroy Somer1Alternator Amazon eBay
LLB1114FLeroy Somer1Alternator Amazon eBay
LLB1114LLeroy Somer1Alternator Amazon eBay
LLB1114MLeroy Somer1Alternator Amazon eBay
LLB1514JLeroy Somer1Alternator Amazon eBay
LLB1514PLeroy Somer1Alternator Amazon eBay
LLB3114DLeroy Somer1Alternator Amazon eBay
LLB3114HLeroy Somer1Alternator Amazon eBay
SSBU8311-03Ajuste del juego de las válvulas (escape)13Adjustment Amazon eBay
0213/ITCAE Enclosure1Service part / kit buy
131437490Shim, beaded, 0.2 mmService part / kit Amazon eBay $19.95
131437500Shim, beaded, 0.3 mmService part / kit Amazon eBay
131437510Shim, beaded, 0.4 mmService part / kit Amazon eBay $56.53
131437520Shim, beaded, 0.5 mmService part / kit Amazon eBay
131437530Shim, non-beaded, 0.5 mmService part / kit Amazon eBay $19.95
CAERANGE/0510/PTBCanópia Acústica CAE ModularService part / kit buy
LL1014NIndustrial1Service part / kit Amazon eBay
M1001050CUSCINETTO1Service part / kit Amazon eBay
M105112270GUARNIZIONE (L=MT.1)1Service part / kit Amazon eBay
M107301390ANELLO1Service part / kit Amazon eBay
M107509005GUARNIZIONE1Service part / kit Amazon eBay
M282008222COPERTURA ALTERNATORE1Service part / kit Amazon eBay
M307803101TRAVERSA ALTERNATORE1Service part / kit Amazon eBay
M307806010CONVOGLIATORE GENERATORE1Service part / kit Amazon eBay
M364108224STAFFA1Service part / kit Amazon eBay
M6050050ANELLO SEEGER1Service part / kit Amazon eBay
M764402200MOTORE PERKINS 404C-22G 50Hz1Service part / kit Amazon eBay
M764403010CARCASSA STATORE1Service part / kit Amazon eBay
M764403020STATORE AVV. 400T230M110M CTE 50Hz1Service part / kit Amazon eBay
M764403030ALBERO ROTORE1Service part / kit Amazon eBay
M764408066CORNICE RADIATORE1Service part / kit Amazon eBay
M764412200MOTORE PERKINS 404D-22G 50Hz1Service part / kit Amazon eBay
M764422200MOTORE PERKINS 404C-22G 60Hz1Service part / kit Amazon eBay
M764423020STATORE AVV. 400T230M110M CTE 60Hz1Service part / kit Amazon eBay
M764432200MOTORE PERKINS 404D-22G 60Hz1Service part / kit Amazon eBay
M765006020VENTOLA PER GENERATORE1Service part / kit Amazon eBay
M773713012DISCO ALBERO ROTORE1Service part / kit Amazon eBay
M841562212TUBO SCARICO OLIO1Service part / kit Amazon eBay
P13.5-4Bisagras de zinc negro. Probadas y garantizadas a prueba de condiciones altamente corrosivas86Service part / kit buy
P200-2SilenciadorService part / kit Amazon eBay NAPA $10.64
P26-1STwo large doors on each side2Service part / kit Amazon eBay $117.00
R250AVR Model1Service part / kit Amazon eBay $29.44 SinoCMP $15.00 FridayParts $42.56

Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.

Fuel consumption

RatingLoadL/hgal/h
Prime16.64.39
Standby6.51.7

Available documents

Spec sheet — 10-22 kVA CAL Enclosure(GB)(0908) (FG Wilson)Spec sheet — 7.5-22 kVA SA CAE Enclosure(GB)(0510)pdfhr (FG Wilson)Spec sheet — 7.5-22+kVA+CAE-CALEnclosures(ES)(1210) (FG Wilson)Spec sheet — 7.5-22+kVA+CAE-CALEnclosures(GB)(1210) (FG Wilson)Spec sheet — 7.5-22+kVA+Enclosures(RU)(0211) (FG Wilson)Spec sheet — 7.5-22+kVA+SA++CAE+Enclosure(GB)(0510)pdfhr (FG Wilson)Spec sheet — Options+Matrix(GB)(0612) (FG Wilson)Spec sheet — P11-4S – P22-4 CAL Mobile Enclosure IT(0908) (FG Wilson)Spec sheet — P11-4S+–+P22-4+CAL+Mobile+Enclosure(RU)(0908) (FG Wilson)Spec sheet — P22-4(1PP)ES(0908) (FG Wilson)Spec sheet — P22-4(1PP)GB(0808)Spec sheet — P22-4(1PP)IT(0908) (FG Wilson)Spec sheet — P22-4(4PP)GB(0211) (FG Wilson)Reference — 10-22 KVA CAE Enclosure(IT)(0908) (FG Wilson)Reference — 10-22 kVA CAL Enclosure(IT)(0908) (FG Wilson)Reference — 10-22 kVA SA CAE Enclosure(GB)(0908) (FG Wilson)Reference — 10-22+kVA+CAL+Enclosure(PT)(0908) (FG Wilson)Reference — 10-22kva CAE Enclosure(0808)(ES) (FG Wilson)Reference — 7.5-22+kVA+CAE+Enclosure PTB(0510) (FG Wilson)Reference — Finished+Options+MatrixGB(0312) (FG Wilson)Reference — P11-4S – P22-4 CAE Mobile Enclosure (GB) (FG Wilson)Reference — P11-4S – P22-4 CAL Mobile Enclosure(GB)(0908) (FG Wilson)Reference — P11-4S+–+P22-4+CAE+Mobile+Enclosure (RU) (FG Wilson)Reference — PowerWizard+amalgamated GB (FG Wilson)Service manual — 10-22 kVA CAL Enclosure(ES)(0908) (FG Wilson)

This page was generated from the 25 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.

Full service, cheapest listings

Priced items from this model's own parts manual.

Air filter 901047$62.83
Fuel filter OD11917$11.96
Oil filter 51806$15.99
3 priced items$90.78
Other sets with this engine
Aurora Generators AGi20PFG Wilson LLB1114MFG Wilson P16FG Wilson P16.5-4SFG Wilson P16.5-6SFG Wilson P22-6Lees LSP14S3-ELees LSP26S3-6