HomeCummins/OnanCummins/Onan 4BT3.3-G6

Cummins/Onan 4BT3.3-G6 Generator Set

The Cummins/Onan 4BT3.3-G6 is a 51 kW standby generator set powered by a Cummins/Onan B3.3 engine. It is available at 12 V, single-phase and 50 Hz. It holds about 7.5 L (2.0 gal) of oil and 17 L (4.5 gal) of coolant, with a maximum ambient rating of 13 °C. The set measures 838×622×814 mm (33.0×24.5×32.0 in) and weighs about 265 kg (584 lb).

51 kW
Standby
3.3 L
Displacement
7.5 L
Oil capacity
1
Document types

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

Specifications

Frequency50.0 Hz
Standby power51 kW
Prime power46 kW
EmissionsEPA Tier2 (TPEM)
Oil capacity7.5 L
Voltage options12 V
Phasesingle
Max ambient13 °C
Dimensions (L×W×H)838×622×814 mm
Dry weight265 kg

Engine

Cummins/Onan B3.3
Coolant capacity17.0 L
Displacement3.3 L
Aspirationturbocharged
Rated speed1500 rpm

Maintenance & consumables

for the Cummins/Onan B3.3
ItemSpecCapacityPart #Interval
Air filter1000 hr find
Fuel filter250 hr find
Oil filter1000 hr find
Belt1000 hr find
Coolant
Coolant filter find
OilSee Cummins B3.3 Series Engines Operation and Maintenance Manual Specifications section.250 hr

Common questions

What is the power rating of the Cummins/Onan 4BT3.3-G6?

The Cummins/Onan 4BT3.3-G6 is rated 51 kW standby.

What engine does the Cummins/Onan 4BT3.3-G6 use?

The Cummins/Onan 4BT3.3-G6 is powered by the Cummins/Onan B3.3 engine.

Parts

14
Part #DescriptionQtySystem
12-0654Air Filter1Air filter PartsGeek
12-0657Oil Filter1Oil filter PartsGeek
12-0658Fuel Filter1Fuel filter PartsGeek
12-0659Coolant Filter1Coolant filter PartsGeek
12-0660Belt1Belt PartsGeek
12-0661Battery1Battery PartsGeek
12-0662Spark Plug1Spark plug PartsGeek
A11-TB1-6run signal outTerminal block PartsGeek
A11-TB1-7remote start switchSwitch PartsGeek
S103selector switch S103 on the control PCBSwitch PartsGeek dieselpartscenter $2.21
TB1-5remote terminalTerminal block PartsGeek
TB1-6terminal (TB1-6)Terminal PartsGeek
TB1-7terminal (TB1-7)Terminal PartsGeek
TB1-8terminal (TB1-8)Terminal PartsGeek

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
Prime75%11.02.8
Standby100%15.04.0

Available documents

Spec sheet — 4BT33-G6 (Cummins/Onan)