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FG Wilson P50E5S Generator Set

The FG Wilson P50E5S is a 45 kW (50 kVA) standby generator set powered by a Perkins 1104A-44TG1 engine. It is available at 220 V and 240 V, single-phase and 50 Hz. It holds about 8 L (2.1 gal) of oil and 13 L (3.4 gal) of coolant. The set measures 2275×1100×1614 mm (89.6×43.3×63.5 in), weighs about 1049 kg (2313 lb) and produces 69 dBA at 7 m. An integrated tank holds 245 L (64.7 gal). The same 1104A-44TG1 engine also powers generator sets from AKSA, Lees, Perkins and Pramac.

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

How to read your FG Wilson serial & model number →

Service parts for the P50E5S

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

Oil system

1 required

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 kVA50
Oil capacity8.0 L
Alternator2014J
Voltage options220 V, 240 V
Phase1
Dimensions (L×W×H)2275×1100×1614 mm
Dry weight1049 kg
Wet weight1413 kg
Sound level69.0 dBA @ 7 m
Fuel tank245.0 L

Engine

Perkins 1104A-44TG1
Oil capacity8.0 L
Coolant capacity13.0 L
Displacement4.4 L
AspirationTurbocharged
Rated speed1500 rpm

Filters for the Perkins 1104A-44TG1

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
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
Oil filterP554407Lube Filter, Spin-On Full FlowPERKINS 102632, PERKINS 2564401, NAPA 1459, BALDWIN BT237 KuduParts $25.00 FridayParts $26.84
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

4 brands

The Perkins 1104A-44TG1 in this set also powers 5 generator sets sold under 4 other brands. Service parts and maintenance intervals for the engine are shared; enclosure, alternator, controller and ratings are not.

BrandModels
Perkins1100 Series 1104A-44TG1, 1104A-44TG1
AKSAAD110
LeesLSP72S3
PramacP50-3S

Maintenance & consumables

for the Perkins 1104A-44TG1
ItemSpecCapacityPart #Interval
Air filterReplaceable Element—1500 hr
Fuel filterEcoplus fuel filter—1500 hr
Oil filter9011031500 hr Amazon eBay $39.01 NAPA $18.35 KuduParts $25.00
Battery12/Negative—1500 hr
BeltElemento sostituibile—1500 hr
CoolantReplaceable Element—1500 hr
Coolant filterElemento sostituibile—500 hr
Oil15W40 to API CG48.0 litres—800 hr
Spark plugElemento sostituibile—1500 hr

Compatible filters for the Perkins 1104A-44TG1 — cross-referenced via Donaldson. Options to verify against your serial number, not confirmed for this exact unit.

  • Air filter: Donaldson P778972 Donaldson P780012 Wix 46818 Baldwin RS3922 Wix 46829

Common questions

What size generator is the FG Wilson P50E5S?

The FG Wilson P50E5S is rated 45 kW standby (50.0 kVA).

Which engine powers the FG Wilson P50E5S?

The FG Wilson P50E5S is powered by the Perkins 1104A-44TG1 engine.

What is the oil capacity of the FG Wilson P50E5S?

The Perkins 1104A-44TG1 engine in the FG Wilson P50E5S has an oil capacity of 8.0 liters.

What is the coolant capacity of the FG Wilson P50E5S?

The FG Wilson P50E5S cooling system holds 13 liters (3.4 US gallons) for the engine, per the manufacturer specification sheet.

How loud is the FG Wilson P50E5S?

The FG Wilson P50E5S is rated at 69.0 dBA at 7 m, per the manufacturer specification sheet.

How much does the FG Wilson P50E5S weigh?

The FG Wilson P50E5S has a dry weight of 1049 kg (2312 lb).

How big is the fuel tank on the FG Wilson P50E5S?

The FG Wilson P50E5S has a 245 liter (65 US gallon) fuel tank.

What voltage does the FG Wilson P50E5S produce?

The FG Wilson P50E5S is offered in 220 V, 240 V, 1-phase.

Which alternator is fitted to the FG Wilson P50E5S?

The FG Wilson P50E5S uses a 2014J alternator.

Which oil filter part number does the FG Wilson P50E5S take?

The FG Wilson P50E5S uses oil filter part number 901103.

Which air filter part number does the FG Wilson P50E5S take?

The FG Wilson P50E5S uses air filter part numbers Donaldson P778972, Donaldson P780012.

Fuel consumption

RatingLoadL/hgal/h
Prime47.012.42
Standby17.54.6

Available documents

Spec sheet — P45P5S-P50E5S(1PP)IT(1006) (FG Wilson)Spec sheet — p45p5s-p50e5s(1pp)gb (FG Wilson)Reference — 27-200 kVA Enclosure(GB)(0608) (FG Wilson)Reference — 27-200 kVA Enclosure(GB)(0609) (FG Wilson)Reference — 27-200 kVA Enclosure(IT)(0608) (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.

Oil filter 901103$18.35
1 priced item$18.35