HomeKohlerKohler 12CZ

Kohler 12CZ Generator Set

The Kohler 12CZ is a 12 kW (120 kVA) standby generator set. It is available at 240 V and 120/240 V, 3-phase and 60 Hz. It holds about 7.9 L (2.1 gal) of oil. The set measures 1302.4×558.8×675.3 mm (51.3×22.0×26.6 in).

12 kW
Standby
7.9 L
Oil capacity
1
Document types

How to read your Kohler serial & model number →

Specifications

Frequency60.0 Hz
Standby power12 kW
Prime power12 kW
Oil capacity7.9 L
Voltage options240 V, 120/240 V
Phase3
Dimensions (L×W×H)1302×558×675 mm

Maintenance & consumables

ItemSpecCapacityPart #Interval
Oil filter279218 Amazon eBay $28.88

Common questions

What is the power rating of the Kohler 12CZ?

The Kohler 12CZ is rated 12 kW standby.

Troubleshooting

3

Fault codes

CodeMeaningRemedy
LOPLow Oil Pressure (LOP) Shutdown
HETHigh Engine Temperature
SDROverspeed ShutdownDeenergize engine components

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

Parts

2model family
Part #DescriptionQtySystem
ADV-5719-SIgnition SystemIgnition system buy
ADV-5720-SGovernor SystemGovernor system buy

Compiled from this model's family documentation — may include parts for closely-related variants. Confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.

Fuel consumption

RatingLoadL/hgal/h
Prime
Standby

Available documents

Service manual