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Kohler 55EOZC Generator Set

The Kohler 55EOZC is a 55 kW (69 kVA) Diesel standby generator set. It is available at 120/208 V, 120/240 V, 127/220 V, 139/240 V and 277/480 V, 3-phase, 60 Hz and rated 191 A. It holds about 14 L (3.7 gal) of oil and 14 L (3.7 gal) of coolant. Starting uses battery rated 625 CCA at 12 V. The set measures 1549×738×961 mm (61.0×29.1×37.8 in) and weighs about 934 kg (2059 lb).

55 kW
Standby
14.0 L
Oil capacity
4
Document types

How to read your Kohler serial & model number →

Specifications

FuelDiesel
Frequency60.0 Hz
Standby power55 kW
Prime power55 kW
EmissionsTier III
ControllerDecision-Maker 3+, Decision-Maker 3500
Oil capacity14.0 L
AlternatorKohler 4P8X
Voltage options120 V, 208 V, 240 V, 127 V, 220 V, 139 V, 277 V, 480 V
Phase3
Rated current191 A
Battery cranking625 CCA
Battery voltage12 V
Coolant capacity14.0 L
Dimensions (L×W×H)1549×738×961 mm
Dry weight934 kg

Filters & service parts

model family
ItemSpecCapacityPart #Interval
Air filter226915 Amazon eBay $43.43 PartsGeek
Fuel filterPrimaryGM48727 Amazon eBay $24.99 PartsGeek
Fuel filterSecondaryGM48728 Amazon eBay $100.76 PartsGeek
Oil filterGM32809 Amazon eBay $42.50 PartsGeek
BeltAlternator and Seawater PumpGM15402 Amazon eBay $231.88 PartsGeek
Coolant14.0 L
Oil14.0 L

Compiled from this model's family documentation — may include parts for closely-related variants. Confirm the exact part for your serial number.

Common questions

What is the power rating of the Kohler 55EOZC?

The Kohler 55EOZC is rated 55 kW standby.

What fuel does the Kohler 55EOZC use?

The Kohler 55EOZC runs on Diesel.

What alternator does the Kohler 55EOZC use?

The Kohler 55EOZC uses a Kohler 4P8X alternator.

Fuel consumption

RatingLoadL/hgal/h
Prime25%5.671.5
Prime50%9.652.55
Prime75%13.663.61
Prime100%17.644.66

Available documents

Brochure — GSA Product List (Kohler)Brochure — MAR CommercialBroch2015 (Kohler)Spec sheet (Kohler)Spec sheet — 007165-01 MAR Commercial SpecificationSheetRevise v2 (Kohler)Spec sheet — Commercial SpecSheet (Kohler)Spec sheet — g2162 (Kohler)Reference — FinalGSAPriceListEffective 3-20-2023 (Kohler)Reference — GSAPriceList (Kohler)Owner's manual — tp6861 (Kohler)