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Home›Kohler›Kohler PRO 12.3 EFI

Kohler PRO 12.3 EFI Generator Set

The Kohler PRO 12.3 EFI is a 12.3 kW (10500 kVA) gasoline standby generator set. It is available at 120 V, single-phase and 60 Hz. The set measures 894×568×769 mm (35.2×22.4×30.3 in) and weighs about 139 kg (306 lb). An integrated tank holds 32.9 L (8.7 gal), roughly 10 hours of runtime.

12 kW
Standby
3
Document types

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On this pageSpecsMaintenanceDocumentsFAQ

Specifications

Fuelgasoline
Frequency60.0 Hz
Standby power12 kW
Standby kVA10500
Prime power12 kW
Voltage options120 V
Phase1
Dimensions (L×W×H)894×568×769 mm
Dry weight139 kg
Fuel tank32.9 L
Tank runtime10 hr

Maintenance & consumables

ItemSpecCapacityPart #Interval
Air filterprecleaner—25 hr
Fuel filterunique Electronic Fuel Injection (EFI) fuel filter—200 hr
Oil filter—200 hr
Oil—100 hr
Spark plug—500 hr

Common questions

What is the power rating of the Kohler PRO 12.3 EFI?

The Kohler PRO 12.3 EFI is rated 12 kW standby (10500.0 kVA).

What kind of fuel does the Kohler PRO 12.3 EFI run on?

The Kohler PRO 12.3 EFI runs on gasoline.

How much does the Kohler PRO 12.3 EFI weigh?

The Kohler PRO 12.3 EFI has a dry weight of 139 kg (306 lb).

How big is the fuel tank on the Kohler PRO 12.3 EFI?

The Kohler PRO 12.3 EFI has a 32.9 liter (9 US gallon) fuel tank, giving about 10 hours of runtime.

What voltage does the Kohler PRO 12.3 EFI produce?

The Kohler PRO 12.3 EFI is offered in 120 V, 1-phase.

Troubleshooting

1

Symptoms & remedies

SymptomCauseRemedy
Engine Not Starting/Running AbnormallyEngine Stopped, No Electric Current, Tripping of Circuit BreakerLoad connected to generating set during start-up Start and Stop control ON or OFF Fuel valve closed Fuel level too low Unsuitable fuel Oil level too low Clogged air cleaner Clogged fuel filter Faulty starter battery. Fuel supply blocked or leaking Blocked ventilation inlets Circuit protectors not actuated Faulty appliance supply cord Faulty electrical sockets Faulty alternator Device connected or faulty cord Overload Battery incorrectly connected Faulty MODYS Fuses (J)

Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.

Parts

2
Part #DescriptionQtySystem
WP2.02-inch water pump1Pump buy
WP3.03-inch water pump1Pump buy

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

Reference (Kohler)Reference — Kohler-Portable-Generators-Brochure (sansom.ca)Reference — portable chart (Kohler)Reference — tri-fuel accessory launch uspec update (Kohler)Owner's manual — 34 590 01 (Kohler)Service manual — 34 690 01 (Kohler)

This page was generated from the 6 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.