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Home›Cummins/Onan›Cummins/Onan 4BT3.3-G6

Cummins/Onan 4BT3.3-G6 Generator Set

The Cummins/Onan 4BT3.3-G6 is a 50 kW (63 kVA) diesel standby generator set powered by a Cummins/Onan 4BT3.3-G6 engine. It operates at 60 Hz.

50 kW
Standby
3.3 L
Displacement
2
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 pageSpecsEngineDocumentsFAQEngine filtersService intervals

Specifications

Fueldiesel
Frequency60.0 Hz
Standby power50 kW
Standby kVA63
Prime power45 kW

Engine

Cummins/Onan 4BT3.3-G6
Displacement3.3 L
Rated speed1800 rpm

Filters for the Cummins/Onan 4BT3.3-G6

2

Engine-mounted filters the filter manufacturers list for this engine family. These come from the engine, not from this generator set’s own parts list, so confirm against your serial number before ordering.

Listed for this engine in only one kind of machine, so they may depend on how the engine was installed:

SystemFilterDescriptionCross-references
Oil filterP550335Lube Filter, Spin-On Full FlowNAPA 1348, NAPA 400068, NAPA 61348, WALGAHN-MOTORENTECHN 00811297 KuduParts $97.00 FridayParts $114.25
Fuel / water separatorP502566Fuel Filter, Water Separator Spin-OnCUMMINS 4941237, BALDWIN BF9923-O, SCARAB SWEEPERS 36195, DYNAPAC 4700950301 KuduParts $44.00 FridayParts $46.00

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

How many kW is the Cummins/Onan 4BT3.3-G6?

The Cummins/Onan 4BT3.3-G6 is rated 50 kW standby (63.0 kVA).

What engine is in the Cummins/Onan 4BT3.3-G6?

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

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

The Cummins/Onan 4BT3.3-G6 runs on diesel.

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

The Cummins/Onan 4BT3.3-G6 is rated 45 kW prime (56 kVA), against 50 kW standby.

Available documents

Spec sheet — 4BT33-G6 (Cummins/Onan)Reference — CUMMINS-GENERATOR-ENGINES-CATALOG (Cummins/Onan)

This page was generated from the 2 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.