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Kohler 15REOZK Generator Set

The Kohler 15REOZK is a 14 kW (14 kVA) #2 Diesel / HVO / RD standby generator set powered by a Kohler KDI 1903M engine. It is available at 120/208 V, 127/220 V, 120/240 V, 139/240 V, 220/380 V, 277/480 V and 347/600 V, 60 Hz. It holds about 8.2 L (2.2 gal) of oil and 10.5 L (2.8 gal) of coolant, with a maximum ambient rating of 50 °C. Starting uses 1 battery rated 650 CCA at 12 V. The set measures 1400×810×1085.5 mm (55.1×31.9×42.7 in). The same KDI 1903M engine also powers generator sets from SDMO.

14 kW
Standby
1.86 L
Displacement
8.2 L
Oil capacity
3
Document types

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Specifications

Fuel#2 Diesel / HVO / RD
Frequency60.0 Hz
Standby power14 kW
Standby kVA14
Prime power13 kW
EmissionsEPA-Certified for Stationary Emergency Applications
ControllerAPM402
Oil capacity8.2 L
Voltage options120/208 V, 127/220 V, 120/240 V, 139/240 V, 220/380 V, 277/480 V, 347/600 V
Battery cranking650 CCA
Battery voltage12 V
Battery quantity1
Coolant capacity10.5 L
Engine jacket water3.5 L
Max ambient50 °C
Dimensions (L×W×H)1400×810×1085 mm

Engine

Kohler KDI 1903M
Oil capacity8.9 L
Coolant capacity6.8 L
Displacement1.86 L
AspirationNatural
Rated speed1800 rpm

Same engine, other brands

1 brand

The Kohler KDI 1903M in this set also powers 2 generator sets sold under 1 other brand. Service parts and maintenance intervals for the engine are shared; enclosure, alternator, controller and ratings are not.

BrandModels
SDMOK20U, K22

Maintenance & consumables

for the Kohler KDI 1903M
ItemSpecCapacityPart #Interval
Air filter—
Fuel filter—500 hr
Oil filter×1—500 hr
Battery—50 hr
Belt—2000 hr
Coolant6.8 L—
Oil10.6 L—500 hr
Spark plug—1000 hr

Service specifications

30
TypeItemValueUnitCondition
Other10 in. weld flange bolt circle diameter B361.95mm (14.25 in.)
Other10 in. weld flange outside diameter C406.4mm (16.0 in.)
Other10 in. weld flange quantity of bolts / bolt hole diameter D12, 25.40mm (1.00 in.)
Other12 in. weld flange bolt circle diameter B431.80mm (17.00 in.)
Other12 in. weld flange outside diameter C482.6mm (19.0 in.)
Other12 in. weld flange quantity of bolts / bolt hole diameter D12, 25.40mm (1.00 in.)
Other14 in. weld flange bolt circle diameter B476.25mm (18.75 in.)
Other14 in. weld flange outside diameter C533.4mm (21.0 in.)
Other14 in. weld flange quantity of bolts / bolt hole diameter D12, 28.58mm (1.13 in.)
Other16 in. weld flange bolt circle diameter B539.75mm (21.25 in.)
Other16 in. weld flange outside diameter C596.9mm (23.5 in.)
Other16 in. weld flange quantity of bolts / bolt hole diameter D16, 28.58mm (1.13 in.)
Other18 in. weld flange bolt circle diameter B577.85mm (22.75 in.)
Other18 in. weld flange outside diameter C635.0mm (25.0 in.)
Other18 in. weld flange quantity of bolts / bolt hole diameter D16, 31.75mm (1.25 in.)
Other20 in. weld flange bolt circle diameter B635.00mm (25.00 in.)
Other20 in. weld flange outside diameter C698.5mm (27.5 in.)
Other20 in. weld flange quantity of bolts / bolt hole diameter D20, 31.75mm (1.25 in.)
Other5 in. weld flange bolt circle diameter B215.90mm (8.50 in.)
Other5 in. weld flange outside diameter C241.30mm (9.50 in.)
Other5 in. weld flange quantity of bolts / bolt hole diameter D8, 22.23mm (0.88 in.)
Other6 in. weld flange bolt circle diameter B254.0mm (10.0 in.)
Other6 in. weld flange outside diameter C279.4mm (11.0 in.)
Other6 in. weld flange quantity of bolts / bolt hole diameter D8, 22.23mm (0.88 in.)
Other8 in. weld flange bolt circle diameter B298.45mm (11.75 in.)
Other8 in. weld flange outside diameter C342.9mm (13.5 in.)
Other8 in. weld flange quantity of bolts / bolt hole diameter D8, 22.23mm (0.88 in.)
OtherWeld flange angle A (10, 12, 14 in. nominal pipe size)30deg.
OtherWeld flange angle A (16, 18, 20 in. nominal pipe size)22.5deg.
OtherWeld flange angle A (5, 6, 8 in. nominal pipe size)45deg.

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 is the power rating of the Kohler 15REOZK?

The Kohler 15REOZK is rated 14 kW standby (14.0 kVA).

Which engine powers the Kohler 15REOZK?

The Kohler 15REOZK is powered by the Kohler KDI 1903M engine.

What fuel does the Kohler 15REOZK use?

The Kohler 15REOZK runs on #2 Diesel / HVO / RD.

What is the oil capacity of the Kohler 15REOZK?

The Kohler KDI 1903M engine in the Kohler 15REOZK has an oil capacity of 8.9 liters.

What is the cooling system capacity of the Kohler 15REOZK?

The Kohler 15REOZK cooling system holds 10.5 liters (2.8 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.

What is the continuous rating of the Kohler 15REOZK?

The Kohler 15REOZK is rated 13 kW prime (13 kVA), against 14 kW standby.

What voltages is the Kohler 15REOZK available in?

The Kohler 15REOZK is offered in 120/208 V, 127/220 V, 120/240 V, 139/240 V, 220/380 V, 277/480 V.

What battery does the Kohler 15REOZK use?

The Kohler 15REOZK uses 1 battery, 12 V each, 650 CCA, per the manufacturer specification sheet.

Parts

1
Part #DescriptionQtySystem
ED0082051360-SCOV.HEAD GASK.-OR SET 1903 M1Gasket Amazon eBay $54.95

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%1.70.4
Prime50%2.80.7
Prime75%4.01.1
Prime100%5.21.4
Standby25%1.90.5
Standby50%3.10.8
Standby75%4.41.2
Standby100%5.81.5

Available documents

Spec sheet — g5434 (Kohler)Reference (Kohler)Reference — 15-60REOZK G6141 (Kohler)Reference — 2020 Generator Maint Bid (Kohler)Reference — G6-39 0918AZ (Kohler)Parts manual — TP6896 (Lombardini)Parts manual — tt1701 (Kohler)Service manual — tp6924 (Kohler)

This page was generated from the 8 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.