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Kohler 18EFKOZD Generator Set

The Kohler 18EFKOZD is a 18 kW (18 kVA) Diesel standby generator set. It is available at 230 V and 240 V, 1-phase, 50 Hz and rated 79 A. It holds about 11 L (2.9 gal) of oil and 4.4 L (1.2 gal) of coolant, with a maximum ambient rating of 25 °C. Starting uses battery rated 650 CCA at 12 V. The set measures 1121×577.5×694 mm (44.1×22.7×27.3 in) and weighs about 422 kg (930 lb).

18 kW
Standby
11.0 L
Oil capacity
4
Document types

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Specifications

FuelDiesel
Frequency50.0 Hz
Standby power18 kW
Standby kVA18
Prime power18 kW
ControllerDecision-Maker, Decision-Maker 3500
Oil capacity11.0 L
Alternator4E4.2
Voltage options230 V, 240 V
Phase1
Rated current79 A
Battery cranking650 CCA
Battery voltage12 or 24 volt V
Coolant capacity4.4 L
Max ambient25 °C
Dimensions (L×W×H)1121×577×694 mm
Dry weight422 kg

Common questions

What is the power rating of the Kohler 18EFKOZD?

The Kohler 18EFKOZD is rated 18 kW standby (18.0 kVA).

What fuel does the Kohler 18EFKOZD use?

The Kohler 18EFKOZD runs on Diesel.

What alternator does the Kohler 18EFKOZD use?

The Kohler 18EFKOZD uses a 4E4.2 alternator.

Parts

5
Part #DescriptionQtySystem
229826Seawater Pump Impeller KitImpeller PartsGeek
ED0021752800-SOil FilterOil filter Amazon eBay $22.90 PartsGeek
ED0021753200-SFuel Filter ElementFuel filter Amazon eBay $49.97 PartsGeek
GM90645V-Belt (Seawater Pump)Belt PartsGeek
ED0090802840-SZinc AnodeService part / kit PartsGeek

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.

Fuel consumption

RatingLoadL/hgal/h
25%2.30.61
50%3.70.98
75%5.21.39
100%6.71.77
Standby25%2.30.61
Standby50%3.70.98
Standby75%5.21.39
Standby100%6.71.77

Available documents

Brochure — PocketGuide (Kohler)Spec sheet (Kohler)Spec sheet — g2189 (Kohler)Operator's manual (Kohler)Parts manual — G12-202-11-20-Sea-Spares-Kits-brochure (Kohler)