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FG Wilson P50-2S Generator Set

The FG Wilson P50-2S is a 45 kW (45 kVA) standby generator set powered by a Perkins 1104C-44TG2/3 engine. It is available at 240 V, 230 V and 220 V, 50 Hz. It holds about 7 L (1.8 gal) of oil and 8 L (2.1 gal) of coolant, with a maximum ambient rating of 50 °C. The set weighs about 1361 kg (3000 lb). The same 1104C-44TG2/3 engine also powers generator sets from Caterpillar and Olympian.

45 kW
Standby
4.4 L
Displacement
7.0 L
Oil capacity
2
Document types

How to read your FG Wilson serial & model number →

Service parts for the P50-2S

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

Electrical

1 required
1002TBatterysee priceAmazon

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

Specifications

Frequency50.0 Hz
Standby power45 kW
Standby kVA45
Oil capacity7.0 L
AlternatorLeroy-Somer LL2014J
Voltage options240 V, 230 V, 220 V
Circuit breaker1500 A
Coolant capacity8.0 L
Max ambient50 °C
Dry weight1361 kg
Wet weight1047 kg

Engine

Perkins 1104C-44TG2/3
Oil capacity8.9 L
Coolant capacity13.1 L
Displacement4.4 L
AspirationTurbocharged
Rated speed1820 rpm

Filters for the Perkins 1104C-44TG2/3

4

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 filterP554407Lube Filter, Spin-On Full FlowPERKINS 102632, PERKINS 2564401, NAPA 1459, BALDWIN BT237 KuduParts $25.00 FridayParts $26.84
Oil filterP550299Lube Filter, Spin-On Full FlowPERKINS 2254347, BALDWIN BT251, WALGAHN-MOTORENTECHN 00811293, LOESING 025037 buy
Fuel filterP502420Fuel Filter, CartridgePERKINS 2656F823, PERKINS 4415122, NAPA 600488, CLAAS 0011377510 buy

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

SystemFilterDescriptionCross-references
Fuel / water separatorP550588Fuel Filter, Water Separator Spin-On Twist&DrainPERKINS 265118, PERKINS T64102003, NAPA 3472, BALDWIN BF587-D FridayParts $18.44

Same engine, other brands

2 brands

The Perkins 1104C-44TG2/3 in this set also powers 2 generator sets sold under 2 other brands. Service parts and maintenance intervals for the engine are shared; enclosure, alternator, controller and ratings are not.

BrandModels
CaterpillarXQE60-2
OlympianXQE60-2

Maintenance & consumables

for the Perkins 1104C-44TG2/3
ItemSpecCapacityPart #Interval
Air filterElemento sostituibile—12000 hr
Fuel filterElemento sostituibile—1020 hr
Oil filterElemento sostituibile—12000 hr
Battery12/Negative1002T100 hr Amazon eBay
BeltCentrifugo—1500 hr
Coolant—1500 hr
OilAPI CC/SE—800 hr
Spark plug—1500 hr

Compatible filters for the Perkins 1104C-44TG2/3 — cross-referenced via Donaldson. Options to verify against your serial number, not confirmed for this exact unit.

  • Air filter: Fg Wilson 901004 Fg Wilson 901048 Fg Wilson 901050 Perkins 26510316 Perkins 26510236
  • Fuel filter: Fg Wilson 901214 Fg Wilson 1000063247 Fg Wilson 1000051232 Perkins T64102003 Perkins 2656F823
  • Oil filter: Fg Wilson 1000065570 Fg Wilson 901103 Perkins 2254347 Perkins T74105021 Perkins 901103

Common questions

What is the power rating of the FG Wilson P50-2S?

The FG Wilson P50-2S is rated 45 kW standby (45.0 kVA).

What engine does the FG Wilson P50-2S use?

The FG Wilson P50-2S is powered by the Perkins 1104C-44TG2/3 engine.

What's the oil capacity on a FG Wilson P50-2S?

The Perkins 1104C-44TG2/3 engine in the FG Wilson P50-2S has an oil capacity of 8.9 liters.

What is the coolant capacity of the FG Wilson P50-2S?

The FG Wilson P50-2S cooling system holds 8 liters (2.1 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.

What is the dry weight of the FG Wilson P50-2S?

The FG Wilson P50-2S has a dry weight of 1361 kg (3000 lb).

What voltages is the FG Wilson P50-2S available in?

The FG Wilson P50-2S is offered in 240 V, 230 V, 220 V.

What alternator comes on the FG Wilson P50-2S?

The FG Wilson P50-2S uses a Leroy-Somer LL2014J alternator.

Which oil filter part number does the FG Wilson P50-2S take?

The FG Wilson P50-2S uses oil filter part numbers FG WILSON 1000065570, FG WILSON 901103.

Which fuel filter part number does the FG Wilson P50-2S take?

The FG Wilson P50-2S uses fuel filter part numbers FG WILSON 901214, FG WILSON 1000063247.

What air filter fits the FG Wilson P50-2S?

The FG Wilson P50-2S uses air filter part numbers FG WILSON 901004, FG WILSON 901048.

Parts

9
Part #DescriptionQtySystem
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

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
Prime14.33.8
Prime50%2.0640.543
Prime75%1.8880.502
Prime100%1.7340.463
Standby16.74.4

Available documents

Spec sheet — Options Matrix (IT)(0513) (FG Wilson)Spec sheet — Options+Matrix(GB)(0612) (FG Wilson)Spec sheet — P50-2S(4PP)IT(0211) (FG Wilson)Spec sheet — P50-2S-(4PP)GB(0810) (FG Wilson)Reference — Finished+Options+MatrixGB(0312) (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.