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Home›Cummins/Onan›Cummins/Onan 150.0 DYG 15R

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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Specifications

FuelDiesel
Frequency60.0 Hz
Standby power150 kW
AlternatorCummins/Onan UR 15 60Hz
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 does the Cummins/Onan 150.0 DYG 15R use?

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

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

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

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

The Cummins/Onan 150.0 DYG 15R uses a Cummins/Onan UR 15 60Hz alternator.

Troubleshooting

8

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.
Low oil pressure shutdown.A. Oil level. Replenish if necessary. b. Sensor. Faulty sensor will shut down engine. c. Refer to engine service manual for troubleshooting guide for oil system.
High engine temperature shutdown.A. Coolant level. Replenish if necessary.

Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.

Fuel consumption

RatingLoadL/hgal/h
Standby

Available documents

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