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Home›Cummins/Onan›Cummins/Onan X3.3-G1

Cummins/Onan X3.3-G1 Generator Set

The Cummins/Onan X3.3-G1 is a 30 kW (38 kVA) diesel standby generator set powered by a Cummins/Onan X3.3-G1 engine. It is available at 12 V, 50 Hz. It holds about 6.5 L (1.7 gal) of oil and 8.6 L (2.3 gal) of coolant, with a maximum ambient rating of 50 °C. The set measures 1124×687×796 mm (44.3×27.0×31.3 in) and weighs about 317 kg (699 lb).

30 kW
Standby
3.3 L
Displacement
6.5 L
Oil capacity
2
Document types

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On this pageSpecsEngineFuel consumptionDocumentsFAQService intervals

Specifications

Fueldiesel
Frequency50.0 Hz
Standby power30 kW
Standby kVA38
Prime power28 kW
Oil capacity6.5 L
Voltage options12 V
Coolant capacity8.6 L
Max ambient50 °C
Dimensions (L×W×H)1124×687×796 mm
Dry weight317 kg

Engine

Cummins/Onan X3.3-G1
Oil capacity6.8 L
Coolant capacity11.0 L
Displacement3.3 L
AspirationNaturally aspirated
Rated speed1500 rpm

Service intervals

2
ItemActionHoursMonthsNotes
valve clearanceCheck2000 hrB-Series (4BT3.3): valve clearance checks not required for 2000 hours, twice the industry standard
engine overhaulOther20000 hrQSK23-Series: expected life cycle to 20,000 hours before first overhaul

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Common questions

How many kW is the Cummins/Onan X3.3-G1?

The Cummins/Onan X3.3-G1 is rated 30 kW standby (38.0 kVA).

What engine does the Cummins/Onan X3.3-G1 use?

The Cummins/Onan X3.3-G1 is powered by the Cummins/Onan X3.3-G1 engine.

What kind of fuel does the Cummins/Onan X3.3-G1 run on?

The Cummins/Onan X3.3-G1 runs on diesel.

How much oil does the Cummins/Onan X3.3-G1 take?

The Cummins/Onan X3.3-G1 engine in the Cummins/Onan X3.3-G1 has an oil capacity of 6.8 liters.

How much coolant does the Cummins/Onan X3.3-G1 hold?

The Cummins/Onan X3.3-G1 cooling system holds 8.6 liters (2.3 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.

What is the continuous rating of the Cummins/Onan X3.3-G1?

The Cummins/Onan X3.3-G1 is rated 28 kW prime (35 kVA), against 30 kW standby.

What is the dry weight of the Cummins/Onan X3.3-G1?

The Cummins/Onan X3.3-G1 has a dry weight of 317 kg (698 lb).

What voltage does the Cummins/Onan X3.3-G1 produce?

The Cummins/Onan X3.3-G1 is offered in 12 V.

Fuel consumption

RatingLoadL/hgal/h
Base100%6.41.7
Prime25%2.80.7
Prime50%4.31.2
Prime75%6.11.7
Prime100%8.52.3
Standby100%10.42.7

Available documents

Spec sheet — 0064192 (Cummins/Onan)Spec sheet — X3.3-G1 (Cummins/Onan)Reference — CUMMINS-GENERATOR-ENGINES-CATALOG (Cummins/Onan)

This page was generated from the 3 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.