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SDMO R440K Generator Set

The SDMO R440K is a 350 kW (437 kVA) Diesel standby generator set powered by a John Deere 6125HF070 engine. It is available at 415/240 V, 400/230 V, 380/220 V, 240/120 V, 230/115 V, 220/110 V and 200/115 V, 3-phase, 50 Hz and rated 608 A. It holds about 40 L (10.6 gal) of oil and 43.8 L (11.6 gal) of coolant, with a maximum ambient rating of 105 °C. Starting uses 1 group-12 battery at 12 V. The set measures 4527×1410×2780 mm (178.2×55.5×109.4 in), weighs about 5051 kg (11136 lb) and produces 70 dBA at 7 m. An integrated tank holds 158 L (41.7 gal).

350 kW
Standby
12.5 L
Displacement
40.0 L
Oil capacity
1
Document types

Compare with other 350–355 kW Diesel generators →

Specifications

FuelDiesel
Frequency50.0 Hz
Standby power350 kW
Standby kVA437
Prime power318 kW
ControllerMicroprocessor
Oil capacity40.0 L
AlternatorLeroy-Somer LSA 47.2 VS3
Voltage options415/240 V, 400/230 V, 380/220 V, 240/120 V, 230/115 V, 220/110 V, 200/115 V
Phase3
Rated current608 A
Power factor0.8
Circuit breaker4 poles A
Battery group12 V
Battery voltage12 V V
Battery quantity1
Coolant capacity43.8 L
Max ambient105 °C
Dimensions (L×W×H)4527×1410×2780 mm
Dry weight5051 kg
Sound level70.0 dBA @ 7 m
Fuel tank158.0 L

Engine

John Deere 6125HF070
Oil capacity40.0 L
Coolant capacity43.8 L
Displacement12.5 L
AspirationAir/Water SC
Rated speed1500 rpm

Common questions

What is the power rating of the SDMO R440K?

The SDMO R440K is rated 350 kW standby (437.0 kVA).

What engine does the SDMO R440K use?

The SDMO R440K is powered by the John Deere 6125HF070 engine.

What fuel does the SDMO R440K use?

The SDMO R440K runs on Diesel.

What is the oil capacity of the SDMO R440K?

The John Deere 6125HF070 engine in the SDMO R440K has an oil capacity of 40.0 liters.

What alternator does the SDMO R440K use?

The SDMO R440K uses a Leroy-Somer LSA 47.2 VS3 alternator.

Troubleshooting

5

Fault codes

CodeMeaning
Min/max battery voltageBattery voltage out of range
Low fuel levelFuel level is low
Emergency stopEmergency stop activated
No start-upEngine does not start
OverspeedEngine speed exceeds safe limits

Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.

Fuel consumption

RatingLoadL/hgal/h
Prime50%40.4410.7
Prime75%59.4415.7
Prime100%87.4523.1
Standby50%40.4410.7
Standby75%59.4415.7
Standby100%87.4523.1

Available documents

Spec sheet — R440K GB (SDMO)