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FG Wilson P44-1 Generator Set

The FG Wilson P44-1 is a 32 kW (40 kVA) Diesel standby generator set powered by a Perkins 1104A-44G engine. It is available at 415/240 V, 230/115 V, 220/110 V, 220/127 V, 240/139 V and 208/120 V, 3-phase, 50 Hz and rated 9 A. It holds 12 L (3.2 gal) of coolant, with a maximum ambient rating of 50 °C. The set measures 1925×1120×1361 mm (75.8×44.1×53.6 in) and weighs about 827 kg (1823 lb). An integrated tank holds 219 L (57.9 gal), roughly 10 hours of runtime. The same 1104A-44G engine also powers generator sets from Pramac.

32 kW
Standby
4.4 L
Displacement
2
Document types

How to read your FG Wilson serial & model number →

Typical fuel consumption for 30–35 kW Diesel generators →

Compare with other 30–35 kW Diesel generators →

Service parts for the P44-1

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

Air intake

1 required
Equivalents: DONALDSON P778989, BALDWIN RS3920, NAPA 6836

Oil system

1 required
Equivalents: DONALDSON P554407, BALDWIN BT237, NAPA 1459

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

Specifications

FuelDiesel
Frequency50.0 Hz
Standby power32 kW
Standby kVA40
ControllerDCP-10
AlternatorLeroy-Somer LL2014C (2-pole, Class H insulation)
Voltage options400 V, 480 V
Phase3
Rated current9,2 A
Power factor0,8
Circuit breaker10,6 A
Battery voltage12 V
Battery quantity1
Max ambient50 °C
Dimensions (L×W×H)1925×1120×1361 mm
Dry weight827 kg
Fuel tank219.0 L
Tank runtime10,6 hr

Engine

Perkins 1104A-44G
Coolant capacity12.0 L
Displacement4.4 L
AspirationNaturel
Rated speed1500 rpm

Filters for the Perkins 1104A-44G

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

1 brand

The Perkins 1104A-44G in this set also powers 1 generator set sold under 1 other brand. Service parts and maintenance intervals for the engine are shared; enclosure, alternator, controller and ratings are not.

BrandModels
PramacP35-3S

Maintenance & consumables

for the Perkins 1104A-44G
ItemSpecCapacityPart #Interval
Air filterElemento sostituibile3901464M112000 hr Amazon eBay $72.00 FridayParts $47.45
Fuel filterCartouche interchangeable—1500 hr
Oil filterRotazione avviata, Pieno flusso9011031500 hr Amazon eBay $39.01 NAPA $18.35 KuduParts $25.00
BatteryTension/masse—1823 hr
BeltVissant, débit entier—1200 hr
Coolant30.7—3454 hr
Coolant filterElemento sostituibile—10 hr
OilAPI CG4 / CH4 15W-40—800 hr
Spark plugR250—300 hr

Common questions

How many kW is the FG Wilson P44-1?

The FG Wilson P44-1 is rated 32 kW standby (40.0 kVA).

Which engine powers the FG Wilson P44-1?

The FG Wilson P44-1 is powered by the Perkins 1104A-44G engine.

Is the FG Wilson P44-1 diesel or gas?

The FG Wilson P44-1 runs on Diesel.

What is the coolant capacity of the FG Wilson P44-1?

The FG Wilson P44-1 cooling system holds 12 liters (3.2 US gallons) for the engine, per the manufacturer specification sheet.

What is the dry weight of the FG Wilson P44-1?

The FG Wilson P44-1 has a dry weight of 827 kg (1823 lb).

What size fuel tank does the FG Wilson P44-1 have?

The FG Wilson P44-1 has a 219 liter (58 US gallon) fuel tank, giving about 10,6 hours of runtime.

What voltages is the FG Wilson P44-1 available in?

The FG Wilson P44-1 is offered in 400 V, 480 V, 3-phase.

How many cold cranking amps does the FG Wilson P44-1 require?

The FG Wilson P44-1 uses 1 battery, 12 V each, per the manufacturer specification sheet.

What alternator comes on the FG Wilson P44-1?

The FG Wilson P44-1 uses a Leroy-Somer LL2014C alternator. It has 2 poles. Insulation class H.

What oil filter does the FG Wilson P44-1 use?

The FG Wilson P44-1 uses oil filter part number 901103. Equivalents: DONALDSON P554407, BALDWIN BT237, NAPA 1459.

What air filter fits the FG Wilson P44-1?

The FG Wilson P44-1 uses air filter part number 3901464M1.

Fuel consumption

RatingLoadL/hgal/h
Prime100%10.02.0
Standby100%9.02.0

Source — consumption: P44-1(4PP)IT(0211).

Available documents

Spec sheet — NEW Product Rating(ES)(0213) (FG Wilson)Spec sheet — P44-1(4PP)GB(1113) (FG Wilson)Spec sheet — P44-1(4PP)IT(0211) (FG Wilson)Reference — 26-220 kVA Enclosure(GB)(1212) (FG Wilson)

This page was generated from the 4 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 3901464M1$72.00
Oil filter 901103$18.35
2 priced items$90.35