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Cummins/Onan 6CTAA8.3-G3 Generator Set

The Cummins/Onan 6CTAA8.3-G3 is a 203 kW standby generator set powered by a Cummins/Onan 6CTAA8.3G3 engine. It holds about 23.8 L (6.3 gal) of oil and 12 L (3.2 gal) of coolant, with a maximum ambient rating of 48 °C. The set measures 1440×910×1240 mm (56.7×35.8×48.8 in) and weighs about 794 kg (1750 lb).

203 kW
Standby
8.3 L
Displacement
23.8 L
Oil capacity
1
Document types

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

Specifications

Standby power203 kW
Prime power183 kW
Oil capacity23.8 L
Coolant capacity12.0 L
Max ambient48.0 °C
Dimensions (L×W×H)1440×910×1240 mm
Dry weight794 kg

Engine

Cummins/Onan 6CTAA8.3G3
Oil capacity23.8 L
Coolant capacity25.7 L
Displacement8.3 L
AspirationTurbocharged, Charge Air Cooled
Rated speed1800 rpm

Maintenance & consumables

for the Cummins/Onan 6CTAA8.3G3
ItemSpecCapacityPart #Interval
Coolant-35—500 hr

Common questions

What size generator is the Cummins/Onan 6CTAA8.3-G3?

The Cummins/Onan 6CTAA8.3-G3 is rated 203 kW standby.

What engine is in the Cummins/Onan 6CTAA8.3-G3?

The Cummins/Onan 6CTAA8.3-G3 is powered by the Cummins/Onan 6CTAA8.3G3 engine.

What's the oil capacity on a Cummins/Onan 6CTAA8.3-G3?

The Cummins/Onan 6CTAA8.3G3 engine in the Cummins/Onan 6CTAA8.3-G3 has an oil capacity of 23.8 liters.

What is the cooling system capacity of the Cummins/Onan 6CTAA8.3-G3?

The Cummins/Onan 6CTAA8.3-G3 cooling system holds 12 liters (3.2 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.

What is the continuous rating of the Cummins/Onan 6CTAA8.3-G3?

The Cummins/Onan 6CTAA8.3-G3 is rated 183 kW prime, against 203 kW standby.

How much does the Cummins/Onan 6CTAA8.3-G3 weigh?

The Cummins/Onan 6CTAA8.3-G3 has a dry weight of 794 kg (1750 lb).

Parts

1
Part #DescriptionQtySystem
V70509Lube Oil4 Gal.Fluid 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
Prime100%46.012.0
Standby100%51.013.5

Available documents

Spec sheet — 6CTAA83-G3 (Cummins/Onan)

This page was generated from the 1 manufacturer document above by automated extraction; every figure shown is copied from one of them. How the data is compiled.

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