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FG Wilson P55-3 Generator Set

The FG Wilson P55-3 is a 44 kW (55 kVA) Diesel standby generator set powered by a Perkins 1103A-33TG2 engine. It is available at 400 V, 480 V, 220 V, 240 V, 380 V, 440 V and 208 V, 3-phase, 50 Hz and rated 13.7 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-12 battery at Negative V. The set measures 1680×760×1336 mm (66.1×29.9×52.6 in), weighs about 797 kg (1757 lb) and produces 56.7 dBA at 15 m. An integrated tank holds 145 L (38.3 gal). 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 P55-3

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 power45 kW
ControllerDCP-10
Oil capacity8.3 L
AlternatorMarelli MJB 200 SB4
Voltage options400 V, 480 V, 220 V, 240 V, 380 V, 440 V, 208 V
Phase3
Rated current13.7 A
Power factor0.8
Circuit breaker15.2 A
Battery group12
Battery voltageNegative V
Battery quantity1
Coolant capacity10.2 L
Max ambient50 °C
Dimensions (L×W×H)1680×760×1336 mm
Dry weight797 kg
Sound level56.7 dBA @ 15 m
Fuel tank145.0 L

Engine

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

Filters for the Perkins 1103A-33TG2

2

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.

Listed for this engine in only one kind of machine, so they may depend on how the engine was installed:

SystemFilterDescriptionCross-references
Oil filterP554403Lube Filter, Spin-On Full FlowPERKINS 26540249, NAPA 1806, BALDWIN BT216, VERSATILE 00034778 KuduParts $22.00
Fuel filterP556287Fuel Filter, CartridgePERKINS 2650097, PERKINS 2650125, BALDWIN BF884, RENAULT VI 0003052535 FridayParts $26.90

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 filterReplaceable Element10000512381500 hr Amazon eBay $63.75 NAPA $62.83 FridayParts $24.99
Fuel filter—1500 hr
Oil filterSpin-On, Full Flow10000655701500 hr Amazon eBay $19.99 NAPA $21.77
BatteryElemento recambiable—1500 hr
BeltV-Belt—1500 hr
CoolantCoolant10.2 l—502 hr
Coolant filterElemento recambiable—13 hr
Oil15W40 to API CG48.3 litres—500 hr
Spark plugElemento recambiable×1—1500 hr

Common questions

What is the power rating of the FG Wilson P55-3?

The FG Wilson P55-3 is rated 44 kW standby (55.0 kVA).

Which engine powers the FG Wilson P55-3?

The FG Wilson P55-3 is powered by the Perkins 1103A-33TG2 engine.

What kind of fuel does the FG Wilson P55-3 run on?

The FG Wilson P55-3 runs on Diesel.

What's the oil capacity on a FG Wilson P55-3?

The Perkins 1103A-33TG2 engine in the FG Wilson P55-3 has an oil capacity of 8.3 liters.

How much coolant does the FG Wilson P55-3 hold?

The FG Wilson P55-3 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 P55-3?

The FG Wilson P55-3 is rated 45 kW prime (56 kVA), against 44 kW standby.

What is the sound level of the FG Wilson P55-3?

The FG Wilson P55-3 is rated at 56.7 dBA at 15 m, per the manufacturer specification sheet.

What is the dry weight of the FG Wilson P55-3?

The FG Wilson P55-3 has a dry weight of 797 kg (1757 lb).

What size fuel tank does the FG Wilson P55-3 have?

The FG Wilson P55-3 has a 145 liter (38 US gallon) fuel tank.

What voltage does the FG Wilson P55-3 produce?

The FG Wilson P55-3 is offered in 400 V, 480 V, 220 V, 240 V, 380 V, 440 V, 3-phase.

What battery does the FG Wilson P55-3 use?

The FG Wilson P55-3 uses 1 battery, Negative V each, group 12, per the manufacturer specification sheet.

What alternator does the FG Wilson P55-3 use?

The FG Wilson P55-3 uses a Marelli MJB 200 SB4 alternator.

Which oil filter part number does the FG Wilson P55-3 take?

The FG Wilson P55-3 uses oil filter part number 1000065570.

What air filter fits the FG Wilson P55-3?

The FG Wilson P55-3 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 NAPA $1013.29
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
Prime50%7.62.0
Prime75%10.52.8
Prime100%13.73.6
Standby50%8.32.2
Standby75%11.43.0
Standby100%15.24.0

Available documents

Spec sheet — 30-220 kVA CAL CALG Enclosure(GB)(0114) (FG Wilson)Spec sheet — 30-220 kVA CAL CALG Enclosure(GB)(0414) (FG Wilson)Spec sheet — Product Rating Sum Larne and APS product(GB)(0614c) (FG Wilson)Spec sheet — ficha-fgwilson (FG Wilson)Parts manual — P55-3(4PP)GB(0514) (FG Wilson)

This page was generated from the 5 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$62.83
Oil filter 1000065570$19.99
2 priced items$82.82