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Cummins/Onan C300 D5 Generator Set

The Cummins/Onan C300 D5 is a Diesel generator set powered by a Cummins/Onan QSL9-G5 engine. It is available at 380 V, 3-phase and 50 Hz. It holds about 26.5 L (7.0 gal) of oil and 40 L (10.6 gal) of coolant, with a maximum ambient rating of 50 °C. The set measures 3086×1360×2017.8 mm (121.5×53.5×79.4 in) and weighs about 3215 kg (7088 lb).

8.9 L
Displacement
26.5 L
Oil capacity
3
Document types

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

Specifications

FuelDiesel
Frequency50.0 Hz
Oil capacity26.5 L
AlternatorStamford/AvK HC4D
Voltage options380 V, 440 V
PhaseWye, 3-phase
Power factor0.8
Coolant capacity40 L
Max ambient50 °C
Dimensions (L×W×H)3086×1360×2017 mm
Dry weight3215 kg

Engine

Cummins/Onan QSL9-G5
Oil capacity26.5 L
Coolant capacity29.0 L
Displacement8.9 L
AspirationTurbocharged, charge air-cooled
Rated speed1500 rpm

Filters for the Cummins/Onan QSL9-G5

4

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.

SystemFilterDescriptionCross-references
Oil filterP553000Lube Filter, Spin-On Full FlowCUMMINS 3318853, CUMMINS 3825970, NAPA 1748, NAPA 1748XD FridayParts $125.00
Fuel filterP550774Fuel Filter, Spin-OnCUMMINS 3959612, CUMMINS 5301448, HYUNDAI 11LB70020, WIRTGEN 195744 KuduParts $34.00 FridayParts $35.90
Fuel / water separatorP550848Fuel Filter, Water Separator Spin-On Twist&DrainCUMMINS 3973233, CUMMINS 4931955, NAPA 3732, LINDE 0019830505 FridayParts $50.99
Coolant filterP552071Coolant Filter, Spin-On Sca PlusCUMMINS 299080, CUMMINS 299880, NAPA 4071, TORO 012706560 FridayParts $37.53

Maintenance & consumables

for the Cummins/Onan QSL9-G5
ItemSpecCapacityPart #Interval
Air filter—1000 hr
Fuel filter—500 hr
Oil filter—1000 hr
Battery—500 hr
Belt—1000 hr
Coolant28.6 L—
Oil26.5 L—
Spark plug—1000 hr

Common questions

What engine does the Cummins/Onan C300 D5 use?

The Cummins/Onan C300 D5 is powered by the Cummins/Onan QSL9-G5 engine.

What kind of fuel does the Cummins/Onan C300 D5 run on?

The Cummins/Onan C300 D5 runs on Diesel.

What is the oil capacity of the Cummins/Onan C300 D5?

The Cummins/Onan QSL9-G5 engine in the Cummins/Onan C300 D5 has an oil capacity of 26.5 liters.

What is the coolant capacity of the Cummins/Onan C300 D5?

The Cummins/Onan C300 D5 cooling system holds 40 liters (10.6 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.

What is the dry weight of the Cummins/Onan C300 D5?

The Cummins/Onan C300 D5 has a dry weight of 3215 kg (7087 lb).

What voltage does the Cummins/Onan C300 D5 produce?

The Cummins/Onan C300 D5 is offered in 380 V, 440 V, Wye, 3-phase-phase.

What alternator comes on the Cummins/Onan C300 D5?

The Cummins/Onan C300 D5 uses a Stamford/AvK HC4D alternator.

Parts

1
Part #DescriptionQtySystem
4021518Alternator ManualAlternator Amazon eBay

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
Prime25%3.415.5
Standby25%4.018.2

Available documents

Spec sheet — Cummins-C300D5-Generator-Data-Sheet (Cummins/Onan)Parts manual — 906-0106 Cummins QSL9-G5 Engine Parts Manual (6-2015) (Cummins/Onan)Service manual — 908-0605 Cummins QSL9-G5 Engine Installation Manual (12-2009) (Cummins/Onan)

This page was generated from the 3 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.