HomeEnginesCummins/Onan 4B3.3-G1

Cummins/Onan 4B3.3-G1 Engine Engine

The Cummins/Onan 4B3.3-G1 is an engine. It powers generator sets from Cummins/Onan, including the C 50, C20, C30 and C35. It holds 8 L (2.1 gal) of oil and 7.91 L (2.1 gal) of coolant.

Also known as: Cummins 4B3.3-G1

Part of the Cummins/Onan 4B3.3 engine family — 2 variants share parts & fitment.

8.0 L
Oil capacity

Engine specifications

Oil capacity8.0 L
Coolant capacity7.91 L

Generator sets powered by this engine

4
Cummins/Onan C 50Cummins/Onan C20Cummins/Onan C30Cummins/Onan C35

Parts cataloged across the Cummins/Onan 4B3.3 family

11
Part #DescriptionCategory
AN500T0083ALTERNATORalternator
98012-048C-GBHose reel with 20 m [66 ft] 3/4"-hosehose
98012-046C-GBIntegrated aftercooler with automatic condensate drainother_service
98012-047C-GBAftercooler together with ultra-fine filtersother_service
98012-049C-GBBase mount for mounting on trucksother_service
98012-050C-GBSkid mount for stationary site installationother_service
98012-051C-GBVarious chassis versions availableother_service
98012-052C-GBCatch pan for fluidsother_service
98012-053C-GBVariety of towing eyes NATO, 40 mm DIN, 50 mm ball head etc. for passenger cars and trucksother_service
98012-054C-GBGenerator with automatic idle run: 7 kVA 110 V, 8 kVA 230 V/400 V or 12 kVA 230 V/400 V enable the additional operation of electrical itemsother_service
98012-045C-GBCompressor oil thermostatic valvethermostat

Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.

Common questions

What is the oil capacity of the Cummins/Onan 4B3.3-G1?

The Cummins/Onan 4B3.3-G1 engine has an oil capacity of 8.0 liters.

Which generators use the Cummins/Onan 4B3.3-G1 engine?

The Cummins/Onan 4B3.3-G1 powers 4 generator set(s), including Cummins/Onan C 50, Cummins/Onan C20, Cummins/Onan C30, Cummins/Onan C35.