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Cummins/Onan 4BTAA3.3-G12 Generator Set

The Cummins/Onan 4BTAA3.3-G12 is a 60 kW (94 kVA) standby generator set powered by a Cummins/Onan 4BTAA3.3 engine. 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 55 °C. The set measures 1237×873×1030 mm (48.7×34.4×40.6 in) and weighs about 332 kg (732 lb).

60 kW
Standby
3.3 L
Displacement
7.9 L
Oil capacity
1
Document types

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Specifications

Standby power60 kW
EmissionsEPA Tier 3
Oil capacity7.9 L
Coolant capacity13 L
Max ambient55 °C
Dimensions (L×W×H)1237×873×1030 mm
Dry weight332 kg

Engine

Cummins/Onan 4BTAA3.3
Displacement3.3 L
AspirationTurbocharged & Charge Air Cooled
Rated speed1800 rpm

Maintenance & consumables

for the Cummins/Onan 4BTAA3.3
ItemSpecCapacityPart #Interval
Fuel filterSpin on fuel filters with water separator; 10-micron spin-on fuel filter element with water separator, Water-in-Fuel (WIF) sensor and WIF sensor harness—
Oil filterSpin on full flow filter—
Oil7.9 l—

Service intervals

1
ItemActionHoursMonthsNotes
Valve clearanceCheck2000 hrFirst service — Valve 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.

Recommended fluids

FluidGradeStandardAmbientCapacityNotes
Coolant50% (Ethylene Glycol) : 50% (Water)13.0 lCooling system design: Jacket Water cooled

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 size generator is the Cummins/Onan 4BTAA3.3-G12?

The Cummins/Onan 4BTAA3.3-G12 is rated 60 kW standby.

Which engine powers the Cummins/Onan 4BTAA3.3-G12?

The Cummins/Onan 4BTAA3.3-G12 is powered by the Cummins/Onan 4BTAA3.3 engine.

What is the cooling system capacity of the Cummins/Onan 4BTAA3.3-G12?

The Cummins/Onan 4BTAA3.3-G12 cooling system holds 13 liters (3.4 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.

How much oil does the Cummins/Onan 4BTAA3.3-G12 take?

The Cummins/Onan 4BTAA3.3-G12 has an engine oil capacity of 7.9 liters (8.3 US quarts), per the manufacturer specification sheet.

What is the dry weight of the Cummins/Onan 4BTAA3.3-G12?

The Cummins/Onan 4BTAA3.3-G12 has a dry weight of 332 kg (731 lb).

Fuel consumption

RatingLoadL/hgal/h
Continuous100%16.04.1
Prime25%5.01.3
Prime50%9.02.3
Prime75%13.03.5
Prime100%18.04.7
Standby100%20.05.3

Available documents

Engine spec — 0064172 (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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