HomeKohlerKohler 1000 REOZM

Kohler 1000 REOZM Generator Set

The Kohler 1000 REOZM is a 1010 kW (1263 kVA) Diesel standby generator set powered by a Mitsubishi S12H-Y1PTA-3 engine. It is available at 60 V, 3-phase, 60 Hz and rated 60 A. It holds about 200 L (52.8 gal) of oil and 60 L (15.9 gal) of coolant, with a maximum ambient rating of 40 °C. The set measures 5×2050×2228 mm (0.2×80.7×87.7 in) and weighs about 8800 kg (19401 lb).

1010 kW
Standby
37.11 L
Displacement
200.0 L
Oil capacity
3
Document types

How to read your Kohler serial & model number →

Specifications

FuelDiesel
Frequency60.0 Hz
Standby power1010 kW
Standby kVA1263
Prime power920 kW
EmissionsTier 1
ControllerDecision-Maker 550
Oil capacity200.0 L
Alternator5M4044
Voltage options60 V, 277 V, 480 V, 50 V, 230 V, 400 V
Phase3
Rated current{'60Hz': 1918, '50Hz': 1674} A
Power factor0.8
Coolant capacity{'60Hz': 100, '50Hz': 260} L
Max ambient[40] °C
Dimensions (L×W×H)5×2050×2228 mm
Dry weight8800 kg

Engine

Mitsubishi S12H-Y1PTA-3
Oil capacity200.0 L
Coolant capacity288.0 L
Displacement37.11 L
AspirationTurbocharged
Rated speed1800 rpm

Maintenance & consumables

for the Mitsubishi S12H-Y1PTA-3
ItemSpecCapacityPart #Interval
Air filter find
Fuel filter×4 find
Fuel filterSecondaryGM13947 Amazon eBay $79.99 PartsGeek
Oil filterCartridge×5GM13942 Amazon eBay $25.00 PartsGeek
BeltGM14526 Amazon eBay $39.80 PartsGeek
Coolant
Oil

Common questions

What is the power rating of the Kohler 1000 REOZM?

The Kohler 1000 REOZM is rated 1010 kW standby (1263.0 kVA).

What engine does the Kohler 1000 REOZM use?

The Kohler 1000 REOZM is powered by the Mitsubishi S12H-Y1PTA-3 engine.

What fuel does the Kohler 1000 REOZM use?

The Kohler 1000 REOZM runs on Diesel.

What is the oil capacity of the Kohler 1000 REOZM?

The Mitsubishi S12H-Y1PTA-3 engine in the Kohler 1000 REOZM has an oil capacity of 200.0 liters.

What alternator does the Kohler 1000 REOZM use?

The Kohler 1000 REOZM uses a 5M4044 alternator.

What oil filter does the Kohler 1000 REOZM use?

The Kohler 1000 REOZM uses oil filter part number GM13942.

What fuel filter does the Kohler 1000 REOZM use?

The Kohler 1000 REOZM uses fuel filter part number GM13947.

Parts

3
Part #DescriptionQtySystem
GM38607-ECheck ValveCheck valve PartsGeek
SA20274Check Valve; NPT Thread Size: 3/4 inchCheck valve PartsGeek
SA20275Check Valve; NPT Thread Size: 1 inchCheck valve PartsGeek

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%80.021.1
Prime50%137.036.2
Prime75%194.051.2
Prime100%256.067.6
Standby25%82.021.7
Standby50%147.038.9
Standby75%211.055.8
Standby100%283.074.9

Available documents

Spec sheet (Kohler)Spec sheet — 1000reozm gsd305 (Kohler)Parts manual — fb8 (Kohler)Parts manual — tp6057 (Kohler)Service manual — sb656 (Kohler)Service manual — tp6289 (Kohler)