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FG Wilson P35-3S Generator Set

The FG Wilson P35-3S is a 32 kW (32 kVA) Diesel standby generator set powered by a Perkins 1104A-44G engine. It is available at 220 V and 240/120 V, single-phase, 50 Hz and rated 13 A. It holds about 8 L (2.1 gal) of oil and 12.8 L (3.4 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 959 kg (2114 lb) and produces 18.2 dBA at 1 m. An integrated tank holds 219 L (57.9 gal), roughly 57.9 hours of runtime. The same 1104A-44G engine also powers generator sets from Pramac.

32 kW
Standby
4.4 L
Displacement
8.0 L
Oil capacity
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 P35-3S

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 power32 kW
Standby kVA32
Controller1002T
Oil capacity8.0 L
AlternatorLeroy-Somer LL2014H (2-pole, Class H insulation)
Voltage options220 V, 240 V, 240/120 V
PhaseSingle
Rated current13.0 A
Power factor1.0
Circuit breaker3 Pole MCCB A
Battery group1002T
Battery voltage12 V
Battery quantity1
Coolant capacity12.8 L
Max ambient50 °C
Dimensions (L×W×H)1925×1120×1361 mm
Dry weight959 kg
Fuel tank219.0 L
Tank runtime57.9 hr

Engine

Perkins 1104A-44G
Oil capacity6.8 L
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 filterReplaceable Element3901464M112000 hr Amazon eBay $72.00 FridayParts $47.45
Fuel filterCartouche interchangeable—1500 hr
Oil filterReplaceable Element9011031500 hr Amazon eBay $39.01 NAPA $18.35 KuduParts $25.00
Battery12/Negativo—1823 hr
BeltElemento sostituibile—1200 hr
Coolant30.7—3454 hr
Coolant filterElemento sostituibile—10 hr
OilAPI CG4 / CH4 15W-40—800 hr
Spark plugElemento sostituibile—300 hr

Common questions

What is the power rating of the FG Wilson P35-3S?

The FG Wilson P35-3S is rated 32 kW standby (32.0 kVA).

What engine is in the FG Wilson P35-3S?

The FG Wilson P35-3S is powered by the Perkins 1104A-44G engine.

What fuel does the FG Wilson P35-3S use?

The FG Wilson P35-3S runs on Diesel.

How much oil does the FG Wilson P35-3S take?

The Perkins 1104A-44G engine in the FG Wilson P35-3S has an oil capacity of 6.8 liters.

What is the coolant capacity of the FG Wilson P35-3S?

The FG Wilson P35-3S cooling system holds 12.8 liters (3.4 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.

What is the dry weight of the FG Wilson P35-3S?

The FG Wilson P35-3S has a dry weight of 959 kg (2114 lb).

How big is the fuel tank on the FG Wilson P35-3S?

The FG Wilson P35-3S has a 219 liter (58 US gallon) fuel tank, giving about 57.9 hours of runtime.

What voltages is the FG Wilson P35-3S available in?

The FG Wilson P35-3S is offered in 220 V, 240 V, 240/120 V, Single-phase.

What size battery does the FG Wilson P35-3S need?

The FG Wilson P35-3S uses 1 battery, 12 V each, group 1002T, per the manufacturer specification sheet.

Which alternator is fitted to the FG Wilson P35-3S?

The FG Wilson P35-3S uses a Leroy-Somer LL2014H alternator. It has 2 poles. Insulation class H.

What oil filter fits the FG Wilson P35-3S?

The FG Wilson P35-3S uses oil filter part number 901103.

What air filter does the FG Wilson P35-3S use?

The FG Wilson P35-3S uses air filter part number 3901464M1.

Fuel consumption

RatingLoadL/hgal/h
Prime50%6.41.7
Prime75%8.82.3
Prime100%13.03.4
Standby50%6.81.8
Standby75%9.62.5
Standby100%14.53.8

Available documents

Spec sheet — NEW Product Rating(ES)(0213) (FG Wilson)Spec sheet — P35-3S(4PP)GB(0211) (FG Wilson)Spec sheet — P35-3S(4PP)GB(1113) (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