Facts About Generators
GeneratorsDirectoryCompareRepairEnginesControllersPartsManufacturersGuides
Search models or part #
Home›Cummins/Onan›Cummins/Onan 4BTAA3.3-G13

Cummins/Onan 4BTAA3.3-G13 Generator Set

The Cummins/Onan 4BTAA3.3-G13 is a 54 kW (67 kVA) Diesel standby generator set powered by a Cummins/Onan 4BTAA3.3-G13 engine. It operates at 50 Hz. It holds about 7.9 L (2.1 gal) of oil and 13 L (3.4 gal) of coolant, with a maximum ambient rating of 50 °C. The set measures 1237×795×1002 mm (48.7×31.3×39.4 in) and weighs about 333 kg (734 lb).

54 kW
Standby
3.3 L
Displacement
7.9 L
Oil capacity
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 →

On this pageSpecsEngineMaintenanceFuel consumptionDocumentsFAQService intervals

Specifications

FuelDiesel
Frequency50.0 Hz
Standby power54 kW
Standby kVA67
Prime power50 kW
Oil capacity7.9 L
Battery voltage12 volt V
Coolant capacity13 L
Max ambient50 °C
Dimensions (L×W×H)1237×795×1002 mm
Dry weight333 kg

Engine

Cummins/Onan 4BTAA3.3-G13
Oil capacity7.9 L
Coolant capacity13.0 L
Displacement3.3 L
AspirationTurbocharged & Charge Air Cooled
Rated speed1500 rpm

Maintenance & consumables

for the Cummins/Onan 4BTAA3.3-G13
ItemSpecCapacityPart #Interval
Fuel filterSpin on fuel filters with water separator; 10-micron spin-on filter element with water separator, water-in-fuel (WIF) sensor and WIF sensor harness—
Oil filterSpin on full flow filter—
Coolant50% (Ethylene Glycol): 50% (Water)13.0 l—

Service intervals

1
ItemActionHoursMonthsNotes
Valve clearanceCheck2000 hrValve clearance checks not required until 2,000 hours, twice the industry standard

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 4BTAA3.3-G13?

The Cummins/Onan 4BTAA3.3-G13 is rated 54 kW standby (67.0 kVA).

What engine does the Cummins/Onan 4BTAA3.3-G13 use?

The Cummins/Onan 4BTAA3.3-G13 is powered by the Cummins/Onan 4BTAA3.3-G13 engine.

What fuel does the Cummins/Onan 4BTAA3.3-G13 use?

The Cummins/Onan 4BTAA3.3-G13 runs on Diesel.

What's the oil capacity on a Cummins/Onan 4BTAA3.3-G13?

The Cummins/Onan 4BTAA3.3-G13 engine in the Cummins/Onan 4BTAA3.3-G13 has an oil capacity of 7.9 liters.

Fuel consumption

RatingLoadL/hgal/h
Continuous100%12.03.3
Prime25%4.01.1
Prime50%7.02.0
Prime75%11.02.8
Prime100%14.03.8
Standby100%15.04.1

Available documents

Engine spec — 0064173 (Cummins/Onan)