Facts About Generators
GeneratorsDirectoryEnginesControllersPartsManufacturersGuides
Search models or part #
Home›Kohler›Kohler 1250ROZMC

Kohler 1250ROZMC Generator Set

The Kohler 1250ROZMC is a 1280 kW (1600 kVA) Diesel standby generator set powered by a Mitsubishi S12R-Y1PTA-2 engine. It is available at 220/380 V, 240/416 V, 277/480 V, 347/600 V and 2400/4160 V, 3-phase and 60 Hz. It holds about 200 L (52.8 gal) of oil and 322 L (85.1 gal) of coolant, with a maximum ambient rating of 40 °C. Starting uses 4 batteries rated 1150 CCA at 12 V. The set measures 6123×2232×2571 mm (241.1×87.9×101.2 in) and weighs about 12020 kg (26500 lb). The same S12R-Y1PTA-2 engine also powers generator sets from Simson-Maxwell.

1280 kW
Standby
49.0 L
Displacement
200.0 L
Oil capacity
4
Document types

How to read your Kohler serial & model number →

Specifications

FuelDiesel
Frequency60.0 Hz
Standby power1280 kW
Standby kVA1600
Prime power1160 kW
EmissionsTier II
ControllerAPM603, Decision-Maker 550, Decision-Maker 6000
Oil capacity200.0 L
Voltage options220/380 V, 240/416 V, 277/480 V, 347/600 V, 2400/4160 V
Phase3
Power factor0.8
Battery cranking1150 CCA
Battery voltage12 V
Battery quantity4
Coolant capacity322 L
Max ambient40 °C
Dimensions (L×W×H)6123×2232×2571 mm
Dry weight12020 kg

Engine

Mitsubishi S12R-Y1PTA-2
Oil capacity200.0 L
Coolant capacity322.0 L
Displacement49.0 L
AspirationTurbocharged
Rated speed1800 rpm

Maintenance & consumables

for the Mitsubishi S12R-Y1PTA-2
ItemSpecCapacityPart #Interval
Air filter— find
Fuel filter— find
Oil filter— find
Belt— find
Coolant—
Coolant filter— find
Oil150.0 gal—

Common questions

What is the power rating of the Kohler 1250ROZMC?

The Kohler 1250ROZMC is rated 1280 kW standby (1600.0 kVA).

What engine does the Kohler 1250ROZMC use?

The Kohler 1250ROZMC is powered by the Mitsubishi S12R-Y1PTA-2 engine.

What fuel does the Kohler 1250ROZMC use?

The Kohler 1250ROZMC runs on Diesel.

What is the oil capacity of the Kohler 1250ROZMC?

The Mitsubishi S12R-Y1PTA-2 engine in the Kohler 1250ROZMC has an oil capacity of 200.0 liters.

Parts

2
Part #DescriptionQtySystem
PA-361617Exhaust Silencer, CriticalService part / kit Amazon eBay
PA-361626Exhaust Silencer, HospitalService 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%103.027.1
Prime50%172.045.4
Prime75%241.063.7
Prime100%319.084.4
Standby25%104.027.6
Standby50%184.048.6
Standby75%263.069.4
Standby100%354.093.6

Available documents

BrochureSpec sheetParts manualWiring diagram