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Kohler 2000REOZMB Generator Set

The Kohler 2000REOZMB is a 1590 kW (1988 kVA) Diesel standby generator set powered by a Mitsubishi S16R-Y2PTAW2-1 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 230 L (60.8 gal) of oil and 367 L (97.0 gal) of coolant, with a maximum ambient rating of 40 °C. Starting uses 4 batteries rated 1150 CCA at 12 V. The set measures 6445×2766×3091 mm (253.7×108.9×121.7 in). The same S16R-Y2PTAW2-1 engine also powers generator sets from Generac.

1590 kW
Standby
65.4 L
Displacement
230.0 L
Oil capacity
3
Document types

How to read your Kohler serial & model number →

Service parts for the 2000REOZMB

Grouped by system, with how many of each the parts manual calls for.

Oil system

1 required

Belts

1 required
GM21122Beltsee priceAmazon

Prices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.

Specifications

FuelDiesel
Frequency60.0 Hz
Standby power1590 kW
Standby kVA1988
Prime power1440 kW
EmissionsTier 2
ControllerDecision-Maker 550 (Decision-Maker 6000 optional)
Oil capacity230.0 L
Alternator7M4054, 7M4056, 7M4058, 7M4176, 7M4292, 7M4374 (4-pole, Class Class H, Synthetic, Nonhygroscopic insulation)
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 capacity367.0 L
Engine jacket water170.0 L
Max ambient40 °C
Dimensions (L×W×H)6445×2766×3091 mm
Wet weight15876 kg

Engine

Mitsubishi S16R-Y2PTAW2-1
Oil capacity230.0 L
Coolant capacity170.0 L
Displacement65.4 L
Aspiration4-Cycle, Turbocharged
Rated speed1800 rpm

Same engine, other brands

1 brand

The Mitsubishi S16R-Y2PTAW2-1 in this set also powers 1 generator set sold under 1 other brand. Service parts and maintenance intervals for the engine are shared; enclosure, alternator, controller and ratings are not.

BrandModels
GeneracIDLC2000-2M

Maintenance & consumables

for the Mitsubishi S16R-Y2PTAW2-1
ItemSpecCapacityPart #Interval
Air filterDry
Fuel filterSecondary×4
Oil filter4, Cartridge×4GM38852 Amazon $79.89 eBay
BatteryFour, 1150
BeltGM21122 Amazon eBay
CoolantWater-Cooled367.0 L
Oil230.0 L
Spark plugN/A

Service specifications

7
TypeItemValueUnitCondition
OtherCompression ratio14.0:1
PressureMax. fuel pump restriction10kPa
PressureMaximum allowable back pressure5.1kPa
TemperatureAmbient temperature, high ambient radiator system50°C
TemperatureAmbient temperature, standard radiator system40°C
TemperatureExhaust temperature at rated kW, dry exhaust526°Crated kW, dry exhaust
VoltageVoltage regulation, no-load to full-load±0.25%3-phase sensing

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

What size generator is the Kohler 2000REOZMB?

The Kohler 2000REOZMB is rated 1590 kW standby (1988.0 kVA).

Which engine powers the Kohler 2000REOZMB?

The Kohler 2000REOZMB is powered by the Mitsubishi S16R-Y2PTAW2-1 engine.

What fuel does the Kohler 2000REOZMB use?

The Kohler 2000REOZMB runs on Diesel.

How much oil does the Kohler 2000REOZMB take?

The Mitsubishi S16R-Y2PTAW2-1 engine in the Kohler 2000REOZMB has an oil capacity of 230.0 liters.

What is the coolant capacity of the Kohler 2000REOZMB?

The Kohler 2000REOZMB cooling system holds 367 liters (97.0 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.

What is the prime power rating of the Kohler 2000REOZMB?

The Kohler 2000REOZMB is rated 1440 kW prime (1800 kVA), against 1590 kW standby.

What voltages is the Kohler 2000REOZMB available in?

The Kohler 2000REOZMB is offered in 220/380 V, 240/416 V, 277/480 V, 347/600 V, 2400/4160 V, 3-phase.

What battery does the Kohler 2000REOZMB use?

The Kohler 2000REOZMB uses 4 batteryies, 12 V each, 1150 CCA, per the manufacturer specification sheet.

What alternator does the Kohler 2000REOZMB use?

The Kohler 2000REOZMB uses a 7M4054, 7M4056, 7M4058, 7M4176, 7M4292, 7M4374 alternator. It has 4 poles. Insulation class Class H, Synthetic, Nonhygroscopic.

Which oil filter part number does the Kohler 2000REOZMB take?

The Kohler 2000REOZMB uses oil filter part number GM38852.

Fuel consumption

RatingLoadL/hgal/h
Prime25%154.040.6
Prime50%271.071.6
Prime75%403.0106.6
Prime100%536.0141.6
Standby25%164.043.2
Standby50%299.079.0
Standby75%442.0116.8
Standby100%606.0160.1

Available documents

Spec sheet — Kohler-2000REOZMB-spec-sheet (Kohler)Parts manual — tp6259 (Kohler)Service manual — tp6289 (Kohler)

This page was generated from the 3 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.

Full service, cheapest listings

Priced items from this model's own parts manual.

Oil filter GM38852$79.89
1 priced item$79.89