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FG Wilson K12.5-1 Generator Set

The FG Wilson K12.5-1 is a 8.8 kW (12.5 kVA) standby generator set powered by a Kubota V1505-BG2 engine. It is available at 380/220 V and 400/230 V, 3-phase and 50 Hz. It holds 6.7 L (1.8 gal) of coolant, with a maximum ambient rating of 50 °C. The set measures 1704×876×1104 mm (67.1×34.5×43.5 in), weighs about 513 kg (1131 lb) and produces 63.5 dBA at 7 m. An integrated tank holds 51 L (13.5 gal). The same V1505-BG2 engine also powers generator sets from Kubota.

8.8 kW
Standby
1.5 L
Displacement
3
Document types

How to read your FG Wilson serial & model number →

Specifications

Frequency50.0 Hz
Standby power8.8 kW
AlternatorLeroy-Somer LL1114D
Voltage options380/220 V, 400/230 V
Phase3
Power factor0.8
Max ambient50 °C
Dimensions (L×W×H)1704×876×1104 mm
Dry weight513 kg
Sound level63.5 dBA @ 7 m
Fuel tank51.0 L

Engine

Kubota V1505-BG2
Coolant capacity6.7 L
Displacement1.5 L
AspirationAspiración natural
Rated speed1800 rpm

Filters for the Kubota V1505-BG2

5

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 filterP502051Lube Filter, Spin-On Full FlowKUBOTA 1627132090, KUBOTA 1627132092, NAPA 1334, NAPA 1344 buy
Oil filterP550162Lube Filter, Spin-On Full FlowKUBOTA 1524132040, KUBOTA 1542132090, NAPA 1301, NAPA 1334 FridayParts $10.50
Fuel filterP550127Fuel Filter, Spin-OnKUBOTA 1522143170, KUBOTA 1522143171, NAPA 3390, WALGAHN-MOTORENTECHN 00811936 KuduParts $16.00
Fuel filterP550012Fuel Filter, In-LineKUBOTA 1258143010, KUBOTA 1258143011, BALDWIN BF840-K1, RENAULT VI 0005490862 KuduParts $13.00 FridayParts $15.50
Fuel / water separatorP551039Fuel Filter, Water Separator Spin-On Twist&DrainNAPA 3192, BALDWIN BF1257, CLUB CAR 102614001, CLUB CAR 102703401 FridayParts $25.40 KuduParts $97.00

Same engine, other brands

1 brand

The Kubota V1505-BG2 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
KubotaWPSK-15S

Maintenance & consumables

for the Kubota V1505-BG2
ItemSpecCapacityPart #Interval
Air filterFull Flow Paper Filter—1200 hr
Fuel filterN/A—1200 hr
Oil filterFull Flow Paper Filter—1200 hr
BatteryN/A—1200 hr
BeltN/A—
Coolant6.0 l—
Coolant filter—
OilAPI CH4 15W-40—
Spark plugN/A—

Compatible filters for the Kubota V1505-BG2 — cross-referenced via Donaldson. Options to verify against your serial number, not confirmed for this exact unit.

  • Air filter: Donaldson P778404 Ac Delco A1033C

Common questions

What size generator is the FG Wilson K12.5-1?

The FG Wilson K12.5-1 is rated 8.8 kW standby.

What engine is in the FG Wilson K12.5-1?

The FG Wilson K12.5-1 is powered by the Kubota V1505-BG2 engine.

What is the coolant capacity of the FG Wilson K12.5-1?

The FG Wilson K12.5-1 cooling system holds 6.7 liters (1.8 US gallons) for the engine, per the manufacturer specification sheet.

How loud is the FG Wilson K12.5-1?

The FG Wilson K12.5-1 is rated at 63.5 dBA at 7 m, per the manufacturer specification sheet.

What is the dry weight of the FG Wilson K12.5-1?

The FG Wilson K12.5-1 has a dry weight of 513 kg (1130 lb).

How big is the fuel tank on the FG Wilson K12.5-1?

The FG Wilson K12.5-1 has a 51 liter (13 US gallon) fuel tank.

What voltages is the FG Wilson K12.5-1 available in?

The FG Wilson K12.5-1 is offered in 380/220 V, 400/230 V, 3-phase.

What alternator comes on the FG Wilson K12.5-1?

The FG Wilson K12.5-1 uses a Leroy-Somer LL1114D alternator.

What air filter does the FG Wilson K12.5-1 use?

The FG Wilson K12.5-1 uses air filter part numbers Donaldson P778404, AC DELCO A1033C.

Parts

2
Part #DescriptionQtySystem
0213/ITCAE Enclosure1Service part / kit buy
LL1114DAlternador1Service part / kit 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.

Available documents

Spec sheet — 5.5 - 22 kVA CAE Enclosure(ES)(0413) (FG Wilson)Spec sheet — 5.5 - 22 kVA CAE Enclosure(ES)(0512) (FG Wilson)Spec sheet — 5.5 - 22 kVA CAE Enclosure(GB)(0413) (FG Wilson)Spec sheet — 5.5 - 22 kVA CAE Enclosure(GB)(0512) (FG Wilson)Spec sheet — 5.5 - 22 kVA CAL Enclosures(ES)(0613) (FG Wilson)Spec sheet — 5.5 - 22 kVA CAL Enclosures(GB)(0613) (FG Wilson)Spec sheet — 5.5+-+22+kVA+CAE+Enclosure(GB)(0512) (FG Wilson)Spec sheet — K12.5-1(4PP)ES(0512) (FG Wilson)Spec sheet — K12.5-1(4PP)GB(0213) (FG Wilson)Spec sheet — NEW Product Rating(ES)(0213) (FG Wilson)Spec sheet — Options Matrix (ES)(1113c) (FG Wilson)Spec sheet — Options Matrix (IT)(0513) (FG Wilson)Spec sheet — Options+Matrix(GB)(0612) (FG Wilson)Reference — 5.5 - 22 kVA CAE Enclosure(GB)(0113) (FG Wilson)Reference — 5.5 - 22 kVA CAE Enclosure(IT)(0413) (FG Wilson)Reference — 5.5 - 22 kVA CAE Enclosure(IT)(0512) (FG Wilson)Reference — 5.5 - 22 kVA CAL Enclosures(IT)(0613) (FG Wilson)Parts manual — K12.5-1(4PP)PT(0812) (FG Wilson)

This page was generated from the 18 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.