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Cummins/Onan C150 D5 Generator Set

The Cummins/Onan C150 D5 is a 120 kW (150 kVA) Diesel standby generator set powered by a Cummins/Onan 6BTA5.9-G3A engine. It is available at 255/440 V, 230/400 V, 220/380 V, 127/220 V and 277/480 V, 3-phase, 50 Hz and rated 95 A. It holds about 16.4 L (4.3 gal) of oil and 100 L (26.4 gal) of coolant, with a maximum ambient rating of 40 °C. Starting uses 1 group-100 battery at 12 V. The set measures 2220×1050×1565 mm (87.4×41.3×61.6 in), weighs about 1090 kg (2403 lb) and produces 85 dBA at 1 m. An integrated tank holds 250 L (66.0 gal), roughly 10 hours of runtime.

120 kW
Standby
5.88 L
Displacement
16.4 L
Oil capacity
2
Document types

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

Typical fuel consumption for 120–125 kW Diesel generators →

Compare with other 120–125 kW Diesel generators →

Specifications

FuelDiesel
Frequency50.0 Hz
Standby power120 kW
Standby kVA150
Prime power109 kW
EmissionsTier 1
ControllerPowerCommand
Oil capacity16.4 L
Alternator6BTA5.9-G3A
Voltage options255/440 V, 230/400 V, 220/380 V, 127/220 V, 277/480 V
Phase3
Rated current95 A
Power factor0.8
Circuit breaker95 A
Battery group100 AH
Battery voltage12 V
Battery quantity1
Coolant capacity100.0 L
Max ambient40 °C
Dimensions (L×W×H)2220×1050×1565 mm
Dry weight1090 kg
Sound level85.0 dBA @ 1 m
Fuel tank250.0 L
Tank runtime10 hr

Engine

Cummins/Onan 6BTA5.9-G3A
Coolant capacity100.0 L
Displacement5.88 L
AspirationTurbocharged
Rated speed1500 rpm

Filters for the Cummins/Onan 6BTA5.9-G3A

7

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 filterP558615Lube Filter, Spin-On Full FlowCUMMINS 10521, CUMMINS 3865405, NAPA 1607, NAPA 61607 buy
Oil filterP558616Lube Filter, Spin-On Full FlowCUMMINS 3290712, CUMMINS 3890709, NAPA 1602, BALDWIN BT427 KuduParts $11.00 FridayParts $13.20
Fuel filterP550440Fuel Filter, Spin-On SecondaryCUMMINS 3831063, CUMMINS 3890707, NAPA 3358, BALDWIN BF788 FridayParts $356.80
Fuel filterP553004Fuel Filter, Spin-OnCUMMINS 3903640, CUMMINS 53C0045, NAPA 3358, RENAULT VI 0000150564 FridayParts $18.20
Fuel / water separatorP551329Fuel Filter, Water Separator Spin-On Twist&DrainCUMMINS 11E170210, CUMMINS 3890063, NAPA 3357, BALDWIN BF1280 FridayParts $151.00
Fuel / water separatorP550248Fuel Filter, Water Separator Spin-On Twist&DrainCUMMINS 1492827, CUMMINS 3286503, NAPA 3472, BALDWIN BF1226 FridayParts $229.00

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

SystemFilterDescriptionCross-references
Coolant filterP554071Coolant Filter, Spin-OnCUMMINS 209604, CUMMINS 209606, NAPA 4071, WALGAHN-MOTORENTECHN 00811412 FridayParts $397.60

Maintenance & consumables

for the Cummins/Onan 6BTA5.9-G3A
ItemSpecCapacityPart #Interval
Air filterHeavy Duty air filter—
Fuel filterSpin on fuel filters with water separator—
Oil filter—
Battery—
Belt—
Coolant9.9 l—
Oil16.4 l—
Spark plug—

Common questions

How many kW is the Cummins/Onan C150 D5?

The Cummins/Onan C150 D5 is rated 120 kW standby (150.0 kVA).

What engine does the Cummins/Onan C150 D5 use?

The Cummins/Onan C150 D5 is powered by the Cummins/Onan 6BTA5.9-G3A engine.

What kind of fuel does the Cummins/Onan C150 D5 run on?

The Cummins/Onan C150 D5 runs on Diesel.

What is the coolant capacity of the Cummins/Onan C150 D5?

The Cummins/Onan C150 D5 cooling system holds 100 liters (26.4 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.

How much oil does the Cummins/Onan C150 D5 take?

The Cummins/Onan C150 D5 has an engine oil capacity of 16.4 liters (17.3 US quarts), per the manufacturer specification sheet.

What is the continuous rating of the Cummins/Onan C150 D5?

The Cummins/Onan C150 D5 is rated 109 kW prime (136 kVA), against 120 kW standby.

How loud is the Cummins/Onan C150 D5?

The Cummins/Onan C150 D5 is rated at 85.0 dBA at 1 m, per the manufacturer specification sheet.

What is the dry weight of the Cummins/Onan C150 D5?

The Cummins/Onan C150 D5 has a dry weight of 1090 kg (2403 lb).

How big is the fuel tank on the Cummins/Onan C150 D5?

The Cummins/Onan C150 D5 has a 250 liter (66 US gallon) fuel tank, giving about 10 hours of runtime.

What voltage does the Cummins/Onan C150 D5 produce?

The Cummins/Onan C150 D5 is offered in 255/440 V, 230/400 V, 220/380 V, 127/220 V, 277/480 V, 3-phase.

What battery does the Cummins/Onan C150 D5 use?

The Cummins/Onan C150 D5 uses 1 battery, 12 V each, group 100 AH, per the manufacturer specification sheet.

What alternator comes on the Cummins/Onan C150 D5?

The Cummins/Onan C150 D5 uses a 6BTA5.9-G3A alternator.

Parts

5model family
Part #DescriptionQtySystem
0908-0101Lead Acid Battery1Battery Amazon eBay
0908-0115Generator Set Operator Manual1Operator manual Amazon eBay
A030F380Operator manualOperator manual Amazon eBay
0908-0107Radiator Information1Service part / kit Amazon eBay
0908-0110Health and Safety (Diesel Generator Sets)1Service part / kit Amazon eBay NAPA $5.89

Compiled from this model's family documentation — may include parts for closely-related variants. Confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.

Fuel consumption

RatingLoadL/hgal/h
Prime25%3.212.0
Prime75%1.55.7
Standby25%3.312.5
Standby75%1.55.7

Available documents

Spec sheet — C150D5 (Cummins/Onan)Spec sheet — C150D5 6BTA (Cummins/Onan)Spec sheet — S-6319-EN (Cummins/Onan)Service manual — 908-0606 Cummins 6BTA5.9G2 Engine Installation Manual (12-2009) (Cummins/Onan)

This page was generated from the 4 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.