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Kohler 250REOZD Generator Set

The Kohler 250REOZD is a 250 kW (313 kVA) Diesel standby generator set powered by a Detroit Diesel S60 engine. It is available at 120/208 V, 120/240 V, 127/220 V, 139/240 V, 220/380 V, 240/416 V, 277/480 V and 347/600 V, 3-phase and 60 Hz. It holds about 30 L (7.9 gal) of oil and 45.4 L (12.0 gal) of coolant, with a maximum ambient rating of 50 °C. Starting uses 2 batteries rated 950 CCA at 12 V. The set measures 3416×1270×1953 mm (134.5×50.0×76.9 in).

250 kW
Standby
12.7 L
Displacement
30.0 L
Oil capacity
3
Document types

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Specifications

FuelDiesel
Frequency60.0 Hz
Standby power250 kW
Standby kVA313
Prime power225 kW
EmissionsTier 2
ControllerDecision-Maker 550
Oil capacity30.0 L
Voltage options120/208 V, 120/240 V, 127/220 V, 139/240 V, 220/380 V, 240/416 V, 277/480 V, 347/600 V
Phase3
Power factor0.8
Battery cranking950 CCA
Battery voltage12 V
Battery quantity2
Coolant capacity45.4 L
Engine jacket water22.7 L
Max ambient50 °C
Dimensions (L×W×H)3416×1270×1953 mm
Wet weight2903 kg

Engine

Detroit Diesel S60
Oil capacity30.0 L
Coolant capacity22.7 L
Displacement12.7 L
AspirationTurbocharged, Aftercooled
Rated speed1800 rpm

Maintenance & consumables

for the Detroit Diesel S60
ItemSpecCapacityPart #Interval
Air filterClean/Replace500 hr
Fuel filterPrimary/Secondary250 hr
Oil filterCartridge250 hr
BatteryReplace250 hr
BeltReplace250 hr
CoolantCheck/Clean45.4250 hr
Coolant filter50 hr
Oil36.0 L50 hr
Spark plugCheck/Replace250 hr

Service specifications

15
TypeItemValueUnitCondition
OtherAmperage PH1312A15 Min
OtherCompression ratio15.0:1
OtherKilowatts263kW15 Min
PressureMax. restriction of cooling air, intake and discharge side of radiator0.125kPa
PressureMaximum allowable exhaust back pressure10.2kPadry exhaust
PressureOil Pressure50Warm Up
SpeedFrequency regulation, steady state±0.25%
SpeedHertz/Cycles60HzWarm Up
TemperatureAmbient Temperature30°FWarm Up
TemperatureAmbient temperature (standard radiator)50C
TemperatureCoolant Temperature180°F15 Min
TemperatureExhaust temperature at rated kW, dry exhaust418C60 Hz, rated kW
VoltageDC Voltage28.1V15 Min
VoltageVoltage PH1483VStart
VoltageVoltage regulation, no-load to full-load±2%

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Recommended fluids

FluidGradeStandardAmbientCapacityNotes
Fuel#2 DieselRecommended fuel

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Common questions

How many kW is the Kohler 250REOZD?

The Kohler 250REOZD is rated 250 kW standby (313.0 kVA).

What engine is in the Kohler 250REOZD?

The Kohler 250REOZD is powered by the Detroit Diesel S60 engine.

Is the Kohler 250REOZD diesel or gas?

The Kohler 250REOZD runs on Diesel.

What is the oil capacity of the Kohler 250REOZD?

The Detroit Diesel S60 engine in the Kohler 250REOZD has an oil capacity of 30.0 liters.

How much coolant does the Kohler 250REOZD hold?

The Kohler 250REOZD cooling system holds 45.4 liters (12.0 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.

What is the prime power rating of the Kohler 250REOZD?

The Kohler 250REOZD is rated 225 kW prime (281 kVA), against 250 kW standby.

What voltage does the Kohler 250REOZD produce?

The Kohler 250REOZD is offered in 120/208 V, 120/240 V, 127/220 V, 139/240 V, 220/380 V, 240/416 V, 3-phase.

How many cold cranking amps does the Kohler 250REOZD require?

The Kohler 250REOZD uses 2 batteryies, 12 V each, 950 CCA, per the manufacturer specification sheet.

Parts

9
Part #DescriptionQtySystem
279261Filter, fuel1Fuel filter Amazon $37.36 eBay $292.07 KuduParts $42.00
360AWire size1Wire Amazon eBay FridayParts $193.96
440AWire size1Wire Amazon eBay FridayParts $20.50
F1-5Fuse 4A1Fuse Amazon Amazon eBay eBay
GM13224Filter, oil1Oil filter Amazon eBay $60.00
GM30594Filter, fuel, secondary1Fuel filter Amazon $109.99 eBay $60.00 KuduParts $59.00
P1-3Amperemeter1Ammeter Amazon eBay
Q1.1Main circuit breaker1Breaker buy
T1-3Current transformer1Transformer Amazon eBay KuduParts $43.00

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
Prime25%18.64.9
Prime50%33.48.8
Prime75%48.412.8
Prime100%64.116.9
Standby25%20.15.3
Standby50%36.39.6
Standby75%53.014.0
Standby100%70.418.6

Available documents

Spec sheet — Kohler-250REOZD-spec-sheet (Kohler)Reference (Kohler)Reference — Kohler-250REOZD-Detroit-Series-60-engine-SN-06R0531556-load-test-report-and-insp (Kohler)Service manual — tp5851 (Kohler)Service manual — tp5988 (Kohler)Service manual — tp6338 (Kohler)Service manual — tp6354 (Kohler)

This page was generated from the 7 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.