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Cummins/Onan 150.0 DYG 15R Generator Set

The Cummins/Onan 150.0 DYG 15R is a 150 kW Diesel standby generator set powered by a Allis-Chalmers 6138-LT engine. It is available at 240 V, 3-phase and 60 Hz. Starting uses 1 group-8 battery at 24 V. The set measures 66×44×120 mm (2.6×1.7×4.7 in).

150 kW
Standby
13.8 L
Displacement
1
Document types

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Typical fuel consumption for 150–155 kW Diesel generators →

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Specifications

FuelDiesel
Frequency60.0 Hz
Standby power150 kW
AlternatorUR 15 60 Hz (4-pole)
Voltage options240 V
Phase3-phase
Power factor0.8
Battery group8D
Battery voltage24 V
Battery quantity1
Dimensions (L×W×H)66×44×120 mm

Engine

Allis-Chalmers 6138-LT
Displacement13.8 L
AspirationTurbocharged
Rated speed1800 rpm

Common questions

What is the power rating of the Cummins/Onan 150.0 DYG 15R?

The Cummins/Onan 150.0 DYG 15R is rated 150 kW standby.

What engine is in the Cummins/Onan 150.0 DYG 15R?

The Cummins/Onan 150.0 DYG 15R is powered by the Allis-Chalmers 6138-LT engine.

What kind of fuel does the Cummins/Onan 150.0 DYG 15R run on?

The Cummins/Onan 150.0 DYG 15R runs on Diesel.

What voltages is the Cummins/Onan 150.0 DYG 15R available in?

The Cummins/Onan 150.0 DYG 15R is offered in 240 V, 3-phase-phase.

What battery does the Cummins/Onan 150.0 DYG 15R use?

The Cummins/Onan 150.0 DYG 15R uses 1 battery, 24 V each, group 8D, per the manufacturer specification sheet.

What alternator comes on the Cummins/Onan 150.0 DYG 15R?

The Cummins/Onan 150.0 DYG 15R uses a UR 15 60 Hz alternator. It has 4 poles.

Troubleshooting

6

Symptoms & remedies

SymptomRemedy
Engine stops cranking and fault lamp lights, after cranking approximately 75 seconds.See engine service manual for troubleshooting fuel system. After correcting problem, reset engine monitor relay by placing Run-Stop/Reset-Remote switch to Stop/Reset, then back to the required running position.
Fault lamp lights immediately after engine starts.Check for: Overspeed condition as engine starts.
Fault lamp lights and engine shuts down after running for a period.Check the following: a. Oil level. Engine will shut down if sensor is closed. b. Check engine manual for troubleshooting oil system. c. High engine temperature. Check coolant level; check water flow (city water cooled systems); check radiator for free air flow, and fan belts for tightness. See engine manual for troubleshooting cooling system. d. Check for faulty oil pressure sensor or faulty high engine temperature sensor.
Engine runs, shuts down and cranks for 75-seconds. Cranking cycle stops; fault lamp lights.Check fuel supply.
Fault lamp lights, no fault exists.To check a no-fault condition, disconnect leads from TB11 terminals 29, 30 and 31. If fault lamp lights with leads disconnected, replace engine monitor board. Reconnect leads.
Overcrank fault lamp lights and engine stops cranking after approximately 75-seconds.See engine service manual for troubleshooting fuel system. After correcting fault, reset engine monitor relay by placing Run-Stop/Reset-Remote switch to Stop/Reset position, depressing Reset button, then to the required running position.

Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing. Full Cummins/Onan 150.0 DYG 15R troubleshooting guide (8 entries) →

Available documents

Owner's manual — 973-0124 Onan DYG Operator's Manual (4-1978) (Cummins/Onan)

This page was generated from the 1 manufacturer document above by automated extraction; every figure shown is copied from one of them. How the data is compiled.