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Kohler KDW 1404 Generator Set

The Kohler KDW 1404 is a 9.6 kW (12 kVA) DIESEL standby generator set powered by a Kohler KDW1404 engine. It is available at 415/240 V, 400/230 V, 380/220 V and 220/127 V, 3-phase and 50 Hz. It holds about 3.2 L (0.8 gal) of oil and 5 L (1.3 gal) of coolant, with a maximum ambient rating of 48 °C. The set measures 515.5×351.5×269.2 mm (20.3×13.8×10.6 in) and weighs about 421 kg (928 lb). An integrated tank holds 50 L (13.2 gal). The same KDW1404 engine also powers generator sets from SDMO.

9 kW
Standby
1.37 L
Displacement
3.2 L
Oil capacity
3
Document types

How to read your Kohler serial & model number →

Typical fuel consumption for 5–10 kW Diesel generators →

Compare with other 5–10 kW Diesel generators →

Specifications

FuelDIESEL
Frequency50.0 Hz
Standby power9 kW
Standby kVA12
Prime power8 kW
ControllerAPM403, Nexys
Oil capacity3.2 L
AlternatorMecc Alte ECP3-1L/4
Voltage options400/230 V, 230 V, 220 V, 127 V, 240 V
Phase3
Power factor0.8
Coolant capacity5 L
Max ambient48 °C
Dimensions (L×W×H)515×351×269 mm
Dry weight421 kg
Fuel tank50.0 L

Engine

Kohler KDW1404
Oil capacity3.3 L
Coolant capacity5.0 L
Displacement1.37 L
AspirationAtmo
Rated speed1500 rpm

Maintenance & consumables

for the Kohler KDW1404
ItemSpecCapacityPart #Interval
Air filter
Fuel filter
Oil filter
Battery
Belt
Coolant5.0 L
Oil3.3 L
Spark plug

Common questions

How many kW is the Kohler KDW 1404?

The Kohler KDW 1404 is rated 9 kW standby (12.0 kVA).

Which engine powers the Kohler KDW 1404?

The Kohler KDW 1404 is powered by the Kohler KDW1404 engine.

Is the Kohler KDW 1404 diesel or gas?

The Kohler KDW 1404 runs on DIESEL.

How much oil does the Kohler KDW 1404 take?

The Kohler KDW1404 engine in the Kohler KDW 1404 has an oil capacity of 3.3 liters.

What alternator comes on the Kohler KDW 1404?

The Kohler KDW 1404 uses a Mecc Alte ECP3-1L/4 alternator.

Troubleshooting

6

Symptoms & remedies

SymptomCauseRemedy
The engine rpms suddenly increase and decreaseTHE ENGINE MUST BE STOPPED IMMEDIATELY
A sudden and unusual noise is heardTHE ENGINE MUST BE STOPPED IMMEDIATELY
The colour of the exhaust fumes suddenly darkensTHE ENGINE MUST BE STOPPED IMMEDIATELY
The engine does not startSulphated battery terminals corroded, Battery voltage too low, Low fuel level, Frozen fuel, Clogged fuel filter, Air suction in fuel system, Clogged air filter, Clogged pipes, Open fuse, Intake or exhaust system cloggedClean the battery terminals, Recharge the battery or replace it, Refuel, Contact KOHLER authorised workshops, Replace with a new filter, Contact KOHLER authorised workshops, Replace with a new filter, Contact KOHLER authorised workshops, Clean the tank and refuel with quality fuel, Replace the engine oil; if the problem persists, contact KOHLER authorised workshops, Replace with a new fuse; if the problem persists, contact KOHLER authorised workshops
Engine starts but stopsInefficient electrical connections, Sulphated battery terminals, Clogged fuel filter, Clogged fuel pipesClean the electrical contacts; if the problem persists, contact KOHLER authorised workshops, Clean the battery terminals, Replace with a new filter and clean the tank, Contact KOHLER authorised workshops
RPM instability at idle speedClogged fuel pipesContact KOHLER authorised workshops

Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing. Full Kohler KDW 1404 troubleshooting guide (13 entries) →

Repair guides

1

Step-by-step procedures compiled from the Kohler service manual for this model.

Parts

1
Part #DescriptionQtySystem
ED0053029340Rocker arm cover gasket1Gasket 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
Prime63.016.64
Standby43.011.36

Available documents

Engine spec — Diesel Full Line (Kohler)Engine spec — Kohler Diesel Engines (Kohler)Engine spec — Liquid Cooled Diesel Engines (Kohler)Engine spec — Rehlko KDW Liquid cooled web (Kohler)Owner's manual — KDW 702 1003 1404 R 02 (Kohler)Service manual — KDW702 1003 1404 SM EN (Kohler)Service manual — OM KDW K-HEM 502 702 1003 1404 R 00 EN (Kohler)Service manual — tp6776-Workshop-Manual-Kohler-KDW-702-1003-1404-AMP (Kohler)
Other sets with this engine