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Kohler 3250REOZD Generator Set

The Kohler 3250REOZD is a 3250 kW (4063 kVA) diesel standby generator set powered by a MTU 20V4000G83L engine. It is available at 277/480 V, 347/600 V, 2400/4160 V, 7200/1247 V, 7620/1320 V and 7970/1380 V, 3-phase and 60 Hz. It holds about 390 L (103.0 gal) of oil and 818 L (216.1 gal) of coolant, with a maximum ambient rating of 40 °C. Starting uses 4 batteries rated 1150 CCA at 12 V. The set measures 8087×3062×3292 mm (318.4×120.6×129.6 in). The same 20V4000G83L engine also powers generator sets from Simson-Maxwell.

3250 kW
Standby
95.4 L
Displacement
390.0 L
Oil capacity
4
Document types

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Specifications

Fueldiesel
Frequency60.0 Hz
Standby power3250 kW
Standby kVA4063
Prime power2800 kW
EmissionsTier 2 EPA-Certified for Stationary Emergency Applications
ControllerDecision-Maker 550, Decision-Maker 6000
Oil capacity390.0 L
Voltage options277/480 V, 347/600 V, 2400/4160 V, 7200/1247 V, 7620/1320 V, 7970/1380 V
Phase3
Power factor0.8
Battery cranking1150 CCA
Battery voltage12 V
Battery quantity4
Coolant capacity818 L
Max ambient40 °C
Dimensions (L×W×H)8087×3062×3292 mm

Engine

MTU 20V4000G83L
Oil capacity390.0 L
Coolant capacity818.0 L
Displacement95.4 L
AspirationTurbocharged, Intercooled
Rated speed1800 rpm

Maintenance & consumables

for the MTU 20V4000G83L
ItemSpecCapacityPart #Interval
Air filterHeavy Duty Air Filter— find
Fuel filter0.005mm Fuel Filter— find
Oil filterTBA— find
BeltTBA— find
CoolantTBA—
OilTBA—

Common questions

What is the power rating of the Kohler 3250REOZD?

The Kohler 3250REOZD is rated 3250 kW standby (4063.0 kVA).

What engine does the Kohler 3250REOZD use?

The Kohler 3250REOZD is powered by the MTU 20V4000G83L engine.

What fuel does the Kohler 3250REOZD use?

The Kohler 3250REOZD runs on diesel.

What is the oil capacity of the Kohler 3250REOZD?

The MTU 20V4000G83L engine in the Kohler 3250REOZD has an oil capacity of 390.0 liters.

Parts

2
Part #DescriptionQtySystem
GM30321-KP1Exhaust Silencer, HospitalService part / kit Amazon eBay
GM30322-KP1Exhaust Silencer, CriticalService part / kit Amazon eBay

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%222.158.7
Prime50%408.7108.0
Prime75%557.1147.2
Prime100%714.3188.7
Standby25%254.467.2
Standby50%447.1118.1
Standby75%645.9170.6
Standby100%848.8224.2

Available documents

BrochureSpec sheetReferenceService manual