HomeFG WilsonFG Wilson FG20E1S

FG Wilson FG20E1S Generator Set

The FG Wilson FG20E1S is a 17.5 kW (20 kVA) gas standby generator set powered by a Ford LRG-425 engine. It is available at 220 V and 220/110 V, 50 Hz. It holds about 3.8 L (1.0 gal) of oil and 3.8 L (1.0 gal) of coolant. The set measures 1970×850×1317 mm (77.6×33.5×51.9 in), weighs about 612 kg (1349 lb) and produces 56.9 dBA at 15 m.

17 kW
Standby
2.51 L
Displacement
3.8 L
Oil capacity
3
Document types

How to read your FG Wilson serial & model number →

Compare with other 15–20 kW Natural Gas generators →

Service parts for the FG20E1S

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

Air intake

1 required

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

Specifications

Fuelgas
Frequency50.0 Hz
Standby power17 kW
Standby kVA20
Prime power20 kW
Oil capacity3.8 L
AlternatorLFB1014SX
Voltage options220 V, 240 V
Power factor1
Dimensions (L×W×H)1970×850×1317 mm
Dry weight505 kg
Sound level56.9 dBA @ 15 m

Engine

Ford LRG-425
Oil capacity3.8 L
Coolant capacity3.8 L
Displacement2.51 L
AspirationNatural Aspiration
Rated speed1800 rpm

Maintenance & consumables

for the Ford LRG-425
ItemSpecCapacityPart #Interval
Air filter9131141 Amazon eBay $27.07 KuduParts $37.00
Fuel filter
Oil filter
Battery
Belt
Coolant
Oil
Spark plug

Compatible filters for the Ford LRG-425 — cross-referenced via Donaldson. Options to verify against your serial number, not confirmed for this exact unit.

  • Oil filter: Ford 9576P550008 Ford VSG413 Donaldson P550008 Donaldson P550400 Wix 51775

Common questions

What size generator is the FG Wilson FG20E1S?

The FG Wilson FG20E1S is rated 17 kW standby (20.0 kVA).

Which engine powers the FG Wilson FG20E1S?

The FG Wilson FG20E1S is powered by the Ford LRG-425 engine.

What fuel does the FG Wilson FG20E1S use?

The FG Wilson FG20E1S runs on gas.

What's the oil capacity on a FG Wilson FG20E1S?

The Ford LRG-425 engine in the FG Wilson FG20E1S has an oil capacity of 3.8 liters.

What alternator comes on the FG Wilson FG20E1S?

The FG Wilson FG20E1S uses a LFB1014SX alternator.

What oil filter does the FG Wilson FG20E1S use?

The FG Wilson FG20E1S uses oil filter part numbers FORD 9576P550008, FORD VSG413.

Which air filter part number does the FG Wilson FG20E1S take?

The FG Wilson FG20E1S uses air filter part number 9131141.

Parts

12
Part #DescriptionQtySystem
1-800-ROTUNDAcalling:Service part / kit Amazon
950-828In conformità alla politica di sviluppo continuo dei prodotti, ci riserviamo il diritto di apportare modifiche senza alcun preavviso.Service part / kit Amazon eBay
FG17P1SService part / kit Amazon eBay
FG20E1SService part / kit Amazon eBay
FG22P1Service part / kit Amazon eBay
FG25E1Service part / kit Amazon eBay
UG11P1SService part / kit Amazon eBay
UG13E1SService part / kit Amazon eBay
UG14P1Service part / kit Amazon eBay
UG16.5E1Service part / kit buy
UHG24E1SService part / kit Amazon eBay
UHG30E1Service part / kit Amazon eBay

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.

Available documents

Spec sheet — FG17P1S-FG20E1S (1pp) (FG Wilson)Spec sheet — FG17p1s 1p (FG Wilson)Spec sheet — Gas Powered Range(IT) (FG Wilson)Spec sheet — Gas Powered Range (FG Wilson)Reference — GE Gas Powered Range (FG Wilson)Reference — ITA Gas Powered Range (FG Wilson)Reference — gas powered range sa enclosure(gb) (FG Wilson)Parts manual — SP Gas Powered Range (FG Wilson)
Full service, cheapest listings

Priced items from this model's own parts manual.

Air filter 9131141$27.07
1 priced item$27.07