HomeCummins/OnanCummins/Onan DSGAB

Cummins/Onan DSGAB Generator Set

The Cummins/Onan DSGAB is a 125 kW (156 kVA) Diesel standby generator set powered by a Cummins/Onan QSB7 series engine. It is available at 110/190 V, 115/200 V, 120/208 V, 127/220 V, 139/240 V, 220/380 V, 230/400 V, 240/416 V, 255/440 V, 277/480 V, 347/600 V, 110/220 V, 115/230 V and 120/240 V, Three phase Line-Neutral/Line-Line, Single phase Line-Neutral/Line-Line-phase and 60 Hz. It holds about 18.9 L (5.0 gal) of oil and 23 L (6.1 gal) of coolant, with a maximum ambient rating of 54 °C. Starting uses battery rated 1100 CCA at 12 V. The set measures 2656×1100×1549 mm (104.6×43.3×61.0 in) and weighs about 1225 kg (2701 lb).

125 kW
Standby
6.69 L
Displacement
18.9 L
Oil capacity
2
Document types

How to read your Cummins/Onan serial & model number →

Specifications

FuelDiesel
Frequency60.0 Hz
Standby power125 kW
Standby kVA156
Prime power113 kW
EmissionsTier 3
ControllerPowerCommand 1.1
Oil capacity18.9 L
Voltage options110/190 V, 110/220 V, 115/200 V, 115/230 V, 120/208 V, 120/240 V, 127/220 V, 139/240 V, 220/380 V, 230/400 V, 240/416 V, 255/440 V, 277/480 V, 347/600 V
PhaseThree phase Line-Neutral/Line-Line, Single phase Line-Neutral/Line-Line
Battery cranking1100 CCA
Battery voltage12 volt V
Coolant capacity23 L
Max ambient54 °C
Dimensions (L×W×H)2656×1100×1549 mm
Dry weight1225 kg

Engine

Cummins/Onan QSB7 series
Oil capacity18.9 L
Displacement6.69 L
Aspirationdirect injection
Rated speed1500 rpm

Common questions

What is the power rating of the Cummins/Onan DSGAB?

The Cummins/Onan DSGAB is rated 125 kW standby (156.0 kVA).

What engine does the Cummins/Onan DSGAB use?

The Cummins/Onan DSGAB is powered by the Cummins/Onan QSB7 series engine.

What fuel does the Cummins/Onan DSGAB use?

The Cummins/Onan DSGAB runs on Diesel.

What is the oil capacity of the Cummins/Onan DSGAB?

The Cummins/Onan QSB7 series engine in the Cummins/Onan DSGAB has an oil capacity of 18.9 liters.

Parts

4
Part #DescriptionQtySystem
A047M180Filter, Air − Normal Duty1Air filter Amazon eBay $236.52 PartsGeek
A054E584Filter, Air − Heavy Duty1Air filter Amazon eBay PartsGeek
A055Z870Filter, Air − Replacement − Heavy Duty1Air filter Amazon eBay $251.32 PartsGeek
518-0601Sealant, Thread (6 ml Tube)Service part / kit PartsGeek

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
Prime
Prime0%13.93.67
Prime0%20.85.51
Prime0%29.37.75
Prime1%36.39.59
Standby
Standby0%14.33.77
Standby0%22.86.02
Standby0%31.76.36
Standby1%39.010.3

Available documents

Spec sheet — Cummins-125-DSGAB QSB7 (Cummins/Onan)Spec sheet — Cummins-150-DSGAC QSB7 (Cummins/Onan)Spec sheet — Cummins-175-DSGAD QSB7 (Cummins/Onan)Spec sheet — Cummins-200-DSGAE QSB7 (Cummins/Onan)Spec sheet — S-1544 (Cummins/Onan)Parts manual — A040K031 I11 201610 (Cummins/Onan)