HomeFG WilsonFG Wilson P55-1

FG Wilson P55-1 Generator Set

The FG Wilson P55-1 is a 44 kW (55 kVA) Diesel standby generator set powered by a Perkins 1103A-33TG2 engine. It is available at 415/240 V, 400/230 V, 220/110 V, 220/127 V, 240/139 V, 208/120 V and 230/115 V, 3-phase, 50 Hz and rated 13.3 A. It holds about 8.3 L (2.2 gal) of oil and 10.2 L (2.7 gal) of coolant, with a maximum ambient rating of 50 °C. Starting uses 1 group-1002 battery at 12 V. The set measures 1925×1120×1361 mm (75.8×44.1×53.6 in), weighs about 420 kg (926 lb) and produces 16 dBA at 1 m. An integrated tank holds 219 L (57.9 gal), roughly 11.8 hours of runtime. The same 1103A-33TG2 engine also powers generator sets from Denyo, Olympian and Pramac.

44 kW
Standby
3.3 L
Displacement
8.3 L
Oil capacity
2
Document types

How to read your FG Wilson serial & model number →

Typical fuel consumption for 40–45 kW Diesel generators →

Compare with other 40–45 kW Diesel generators →

Service parts for the P55-1

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

Air intake

1 required

Oil system

1 required

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

Specifications

FuelDiesel
Frequency50.0 Hz
Standby power44 kW
Standby kVA55
Prime power40 kW
Controller1002T, MCB
Oil capacity8.3 L
AlternatorLeroy-Somer LL2014D (2-pole, Class H insulation)
Voltage options400 V, 50 V, 480 V, 60 V
Phase3
Rated current13.3 A
Power factor0.8
Circuit breaker3 A
Battery group1002T
Battery voltage12 V
Battery quantity1
Coolant capacity10.2 L
Max ambient50 °C
Dimensions (L×W×H)1925×1120×1361 mm
Dry weight863 kg
Fuel tank219.0 L
Tank runtime11.8 hr

Engine

Perkins 1103A-33TG2
Oil capacity8.3 L
Coolant capacity10.2 L
Displacement3.3 L
AspirationTurbocharged
Rated speed1500 rpm

Same engine, other brands

3 brands

The Perkins 1103A-33TG2 in this set also powers 4 generator sets sold under 3 other brands. Service parts and maintenance intervals for the engine are shared; enclosure, alternator, controller and ratings are not.

BrandModels
OlympianGEP55-3, GEP65-9
DenyoDSA-60HP5
PramacP50-1S

Maintenance & consumables

for the Perkins 1103A-33TG2
ItemSpecCapacityPart #Interval
Air filterElemento recambiable10000512381500 hr Amazon eBay $63.75 FridayParts $24.99
Fuel filter1500 hr
Oil filterElemento recambiable10000655701500 hr Amazon eBay $19.99
Battery1500 hr
BeltV-Belt1500 hr
CoolantCoolant10.2 l502 hr
Coolant filter13 hr
Oil15W40 to API CG48.3 litres500 hr
Spark plug×11500 hr

Common questions

What size generator is the FG Wilson P55-1?

The FG Wilson P55-1 is rated 44 kW standby (55.0 kVA).

What engine does the FG Wilson P55-1 use?

The FG Wilson P55-1 is powered by the Perkins 1103A-33TG2 engine.

What kind of fuel does the FG Wilson P55-1 run on?

The FG Wilson P55-1 runs on Diesel.

What's the oil capacity on a FG Wilson P55-1?

The Perkins 1103A-33TG2 engine in the FG Wilson P55-1 has an oil capacity of 8.3 liters.

What is the coolant capacity of the FG Wilson P55-1?

The FG Wilson P55-1 cooling system holds 10.2 liters (2.7 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.

What is the continuous rating of the FG Wilson P55-1?

The FG Wilson P55-1 is rated 40 kW prime (219 kVA), against 44 kW standby.

What is the dry weight of the FG Wilson P55-1?

The FG Wilson P55-1 has a dry weight of 863 kg (1902 lb).

What size fuel tank does the FG Wilson P55-1 have?

The FG Wilson P55-1 has a 219 liter (58 US gallon) fuel tank, giving about 11.8 hours of runtime.

What voltages is the FG Wilson P55-1 available in?

The FG Wilson P55-1 is offered in 400 V, 50 V, 480 V, 60 V, 3-phase.

How many cold cranking amps does the FG Wilson P55-1 require?

The FG Wilson P55-1 uses 1 battery, 12 V each, group 1002T, per the manufacturer specification sheet.

Which alternator is fitted to the FG Wilson P55-1?

The FG Wilson P55-1 uses a Leroy-Somer LL2014D alternator. It has 2 poles. Insulation class H.

What oil filter does the FG Wilson P55-1 use?

The FG Wilson P55-1 uses oil filter part number 1000065570.

What air filter fits the FG Wilson P55-1?

The FG Wilson P55-1 uses air filter part number 1000051238.

Parts

7
Part #DescriptionQtySystem
LL2014JFiltre Raccor94Filter Amazon eBay
1002T1002T Series Control Panel1Service part / kit Amazon eBay
12/NegativeEngine Electrical System1Service part / kit buy
DCP-10Control Panel1Service part / kit Amazon eBay FridayParts $329.90
IP23Enclosure rating1Service part / kit Amazon eBay
R250AVR Model1Service part / kit Amazon eBay $29.44 SinoCMP $15.00 FridayParts $42.56
SD80Silencer1Service part / kit Amazon eBay FridayParts $21.99

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
Emergencia50%6.91.8
Emergencia75%9.72.6
Emergencia100%13.03.4
Emergency50%4.81.3
Emergency75%6.91.8
Emergency100%9.72.6
Emergency110%13.03.4
Prime50%7.92.1
Prime75%10.42.7
Prime100%13.33.5
Standby50%6.41.7
Standby75%8.92.4
Standby100%11.83.1

Available documents

Spec sheet — NEW Product Rating(ES)(0213) (FG Wilson)Spec sheet — P55-1(4PP)GB(0213) (FG Wilson)Spec sheet — P55-1(4PP)GB(0514) (FG Wilson)Spec sheet — P55-1(4PP)GB(1113) (FG Wilson)Spec sheet — P55-1-(4PP)GB(0810) (FG Wilson)Spec sheet — P55-1IT(0711) (FG Wilson)Reference — 26-220 kVA Enclosure(GB)(1212) (FG Wilson)Reference — P55-1ES(0711) (FG Wilson)

This page was generated from the 8 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 1000051238$63.75
Oil filter 1000065570$19.99
2 priced items$83.74