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Cummins/Onan S3.8-G7 Generator Set

The Cummins/Onan S3.8-G7 is a 52.8 kW (66 kVA) diesel standby generator set powered by a Cummins/Onan S3.8-G7 engine. It operates at 50 Hz.

52.8 kW
Standby
3.8 L
Displacement
1
Document types

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

Typical fuel consumption for 50–55 kW Diesel generators →

Compare with other 50–55 kW Diesel generators →

Specifications

Fueldiesel
Frequency50.0 Hz
Standby power52.8 kW
Standby kVA66
Prime power48 kW

Engine

Cummins/Onan S3.8-G7
Displacement3.8 L
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

What is the power rating of the Cummins/Onan S3.8-G7?

The Cummins/Onan S3.8-G7 is rated 52.8 kW standby (66.0 kVA).

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

The Cummins/Onan S3.8-G7 is powered by the Cummins/Onan S3.8-G7 engine.

What kind of fuel does the Cummins/Onan S3.8-G7 run on?

The Cummins/Onan S3.8-G7 runs on diesel.

What is the prime power rating of the Cummins/Onan S3.8-G7?

The Cummins/Onan S3.8-G7 is rated 48 kW prime (60 kVA), against 52.8 kW standby.

Available documents

Reference — CUMMINS-GENERATOR-ENGINES-CATALOG (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.