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SDMO K21 Generator Set

The SDMO K21 is a 21 kW standby generator set powered by a Kohler KDW1404-H engine. It is available at 400/230 V, 55/415 V, 380/220 V and 53/230 V, 3-phase and 50 Hz. It holds about 3.3 L (0.9 gal) of oil and 5 L (1.3 gal) of coolant. The set measures 1410×720×1020 mm (55.5×28.3×40.2 in) and weighs about 350 kg (772 lb). An integrated tank holds 93 L (24.6 gal).

21 kW
Standby
1.37 L
Displacement
3.3 L
Oil capacity
1
Document types

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Specifications

Frequency50.0 Hz
Standby power21 kW
ControllerNexys, Telys
Oil capacity3.3 L
AlternatorMecc Alte ECP3-2L/2
Voltage options400/230 V, 55/415 V, 240 V, 380/220 V, 53/230 V
Phase3
Power factor0.8
Coolant capacity5 L
Dimensions (L×W×H)1410×720×1020 mm
Dry weight350 kg
Fuel tank93.0 L

Engine

Kohler KDW1404-H
Oil capacity3.3 L
Coolant capacity5.0 L
Displacement1.37 L
Rated speed3000 rpm

Maintenance & consumables

for the Kohler KDW1404-H
ItemSpecCapacityPart #Interval
Air filter1200 hr
Fuel filter1200 hr
Oil filter1200 hr
Battery1200 hr
Belt
Coolant5.0 l
Oil3.3 l
Spark plug1200 hr

Common questions

What is the power rating of the SDMO K21?

The SDMO K21 is rated 21 kW standby.

What engine does the SDMO K21 use?

The SDMO K21 is powered by the Kohler KDW1404-H engine.

What's the oil capacity on a SDMO K21?

The Kohler KDW1404-H engine in the SDMO K21 has an oil capacity of 3.3 liters.

Which alternator is fitted to the SDMO K21?

The SDMO K21 uses a Mecc Alte ECP3-2L/2 alternator.

Available documents

Spec sheet — K21H