HomeGeneracGenerac SD040

Generac SD040 Generator Set

The Generac SD040 is a 40 kW (50 kVA) Diesel standby generator set powered by a Generac BF4M1013EC Deutz engine. It is available at 120/240 V, 120/208 V, 277/480 V and 346/600 V, 60 Hz. It holds about 7 L (1.8 gal) of oil and 9.5 L (2.5 gal) of coolant, with a maximum ambient rating of 43.3 °C. Starting uses 2 group-27 batteries rated 700 CCA at 12 V. The set measures 1930.4×914.4×1143 mm (76.0×36.0×45.0 in), weighs about 796 kg (1755 lb) and produces 84 dBA at 7 m.

40 kW
Standby
4.8 L
Displacement
7.0 L
Oil capacity
2
Document types

How to read your Generac serial & model number →

Specifications

FuelDiesel
Frequency60.0 Hz
Standby power40 kW
Standby kVA50
Prime power32 kW
EmissionsStationary Emergency
ControllerPOWERZONE 410
Oil capacity7.0 L
Alternator390mm
Voltage options120/240 V, 120/208 V, 277/480 V, 346/600 V
Battery group27F
Battery cranking700 or 925 CCA
Battery voltage12 VDC V
Battery quantity2
Coolant capacity9.5 L
Max ambient43.3 °C
Dimensions (L×W×H)1930×914×1143 mm
Dry weight776 kg
Sound level84.0 dBA @ 7 m

Engine

Generac BF4M1013EC Deutz
Oil capacity11.0 L
Coolant capacity10.4 L
Displacement4.8 L
AspirationTurbocharged
Rated speed1800 rpm

Maintenance & consumables

for the Generac BF4M1013EC Deutz
ItemSpecCapacityPart #Interval
Fuel filter5 Micron find
Oil filterFull flow, Cartridge find
Belt find
OilGear11.0 L

Common questions

What is the power rating of the Generac SD040?

The Generac SD040 is rated 40 kW standby (50.0 kVA).

What engine does the Generac SD040 use?

The Generac SD040 is powered by the Generac BF4M1013EC Deutz engine.

What fuel does the Generac SD040 use?

The Generac SD040 runs on Diesel.

What is the oil capacity of the Generac SD040?

The Generac BF4M1013EC Deutz engine in the Generac SD040 has an oil capacity of 11.0 liters.

What alternator does the Generac SD040 use?

The Generac SD040 uses a 390mm alternator.

Fuel consumption

RatingLoadL/hgal/h
Prime25%2.80.7
Prime50%5.21.4
Prime75%7.21.9
Prime100%9.42.5
Standby25%4.241.12
Standby50%7.311.93
Standby75%10.232.7
Standby100%13.263.5

Available documents

Brochure — 0166950SBY (Generac)Spec sheet — 0163150SBY (Generac)Spec sheet — 0166900SBY (Generac)Spec sheet — 0169800SBY (Generac)Spec sheet — 0184460SBY (Generac)Spec sheet — 0194800SBY SD040 3-4L (Generac)Spec sheet — 0k5088-sd040-3-4l (Generac)Spec sheet — A0003331399-(1) (Generac)Spec sheet — sd040-40kw-diesel-generator-specsheet (Generac)