HomeKohlerKohler 400REZX

Kohler 400REZX Generator Set

The Kohler 400REZX is a 400 kW (500 kVA) Gas standby generator set powered by a Doosan D219TIC engine. It is available at 120/208 V, 127/220 V, 220/380 V, 277/480 V, 120/240 V and 347/600 V, 3-phase and 60 Hz. It holds about 47.1 L (12.4 gal) of oil and 190 L (50.2 gal) of coolant, with a maximum ambient rating of 50 °C. Starting uses 2 batteries rated 925 CCA at 12 V. The set measures 4100×2190×2464 mm (161.4×86.2×97.0 in).

400 kW
Standby
21.9 L
Displacement
47.1 L
Oil capacity
5
Document types

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Specifications

FuelGas
Frequency60.0 Hz
Standby power400 kW
Standby kVA500
Prime power360 kW
ControllerAPM603, Decision-Maker 3000
Oil capacity47.1 L
Alternator5M4024
Voltage options120/208 V, 127/220 V, 220/380 V, 277/480 V, 120/240 V, 347/600 V
Phase3
Power factor0.8
Battery cranking925 CCA
Battery voltage12 V
Battery quantity2
Coolant capacity190 L
Max ambient50 °C
Dimensions (L×W×H)4100×2190×2464 mm

Engine

Doosan D219TIC
Oil capacity47.1 L
Coolant capacity242.0 L
Displacement21.9 L
AspirationTurbocharged, Charge Air-Cooled
Rated speed1800 rpm

Maintenance & consumables

for the Doosan D219TIC
ItemSpecCapacityPart #Interval
Oil filter×2 find
Oil47.1 L

Common questions

What is the power rating of the Kohler 400REZX?

The Kohler 400REZX is rated 400 kW standby (500.0 kVA).

What engine does the Kohler 400REZX use?

The Kohler 400REZX is powered by the Doosan D219TIC engine.

What fuel does the Kohler 400REZX use?

The Kohler 400REZX runs on Gas.

What is the oil capacity of the Kohler 400REZX?

The Doosan D219TIC engine in the Kohler 400REZX has an oil capacity of 47.1 liters.

What alternator does the Kohler 400REZX use?

The Kohler 400REZX uses a 5M4024 alternator.

Fuel consumption

RatingLoadL/hgal/h
Prime25%37.7
Prime50%60.5
Prime75%85.1
Prime100%109.2
Standby25%40.0
Standby50%65.6
Standby75%93.4
Standby100%119.8

Available documents

Brochure (Kohler)Brochure — 180-450REZX G6109 (Kohler)Brochure — 300-500REZX G6178 (Kohler)Brochure — G6-39 0918AZ (Kohler)Brochure — GSA Product List (Kohler)Spec sheet (Kohler)Spec sheet — g4298 (Kohler)Reference — FinalGSAPriceListEffective 3-20-2023 (Kohler)Parts manual — tp6706 (Kohler)Wiring diagram — TP-6832 1218G (Kohler)Wiring diagram — tp6713 (Kohler)

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