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Cummins/Onan S3.8 G7 CoolPac Generator Set

The Cummins/Onan S3.8 G7 CoolPac is a 64.9 kW (66 kVA) Radiator cooled standby generator set powered by a Cummins/Onan S Series engine. It is available at 12 V. It holds about 11 L (2.9 gal) of oil and 11 L (2.9 gal) of coolant, with a maximum ambient rating of 50 °C. The set measures 1290×910×1080 mm (50.8×35.8×42.5 in) and weighs about 500 kg (1102 lb).

64.9 kW
Standby
3.8 L
Displacement
11.0 L
Oil capacity
1
Document types

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Specifications

FuelRadiator cooled
Standby power64.9 kW
Prime power59.6 kW
Oil capacity11.0 L
Alternator12V, 35 Amps
Voltage options12 V
Battery voltage12 V
Coolant capacity11 L
Max ambient50 °C
Dimensions (L×W×H)1290×910×1080 mm
Dry weight500 kg

Engine

Cummins/Onan S Series
Oil capacity11.0 L
Coolant capacity11.0 L
Displacement3.8 L
AspirationTurbocharged
Rated speed1800 rpm

Common questions

What size generator is the Cummins/Onan S3.8 G7 CoolPac?

The Cummins/Onan S3.8 G7 CoolPac is rated 64.9 kW standby.

Which engine powers the Cummins/Onan S3.8 G7 CoolPac?

The Cummins/Onan S3.8 G7 CoolPac is powered by the Cummins/Onan S Series engine.

What fuel does the Cummins/Onan S3.8 G7 CoolPac use?

The Cummins/Onan S3.8 G7 CoolPac runs on Radiator cooled.

What's the oil capacity on a Cummins/Onan S3.8 G7 CoolPac?

The Cummins/Onan S Series engine in the Cummins/Onan S3.8 G7 CoolPac has an oil capacity of 11.0 liters.

How much coolant does the Cummins/Onan S3.8 G7 CoolPac hold?

The Cummins/Onan S3.8 G7 CoolPac cooling system holds 11 liters (2.9 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.

What is the continuous rating of the Cummins/Onan S3.8 G7 CoolPac?

The Cummins/Onan S3.8 G7 CoolPac is rated 59.6 kW prime (66 kVA), against 64.9 kW standby.

How much does the Cummins/Onan S3.8 G7 CoolPac weigh?

The Cummins/Onan S3.8 G7 CoolPac has a dry weight of 500 kg (1102 lb).

What voltage does the Cummins/Onan S3.8 G7 CoolPac produce?

The Cummins/Onan S3.8 G7 CoolPac is offered in 12 V.

What alternator does the Cummins/Onan S3.8 G7 CoolPac use?

The Cummins/Onan S3.8 G7 CoolPac uses a 12V, 35 Amps alternator.

Fuel consumption

RatingLoadL/hgal/h
Base25%4.51.2
Base75%11.02.9
Continuous100%10.62.8
Prime50%6.11.6
Prime100%14.73.9
Standby100%16.14.3

Available documents

Spec sheet — S38-G7 (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.