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Cummins/Onan DFLE Generator Set

The Cummins/Onan DFLE is a 1500 kW (1875 kVA) Diesel standby generator set powered by a Cummins/Onan KTA50-G9 engine. It is available at 24 V, 60 Hz. It holds about 120 L (31.7 gal) of oil and 379 L (100.1 gal) of coolant, with a maximum ambient rating of 40 °C. Starting uses 4 group-12 batteries rated 1400 CCA at 24 V. The set weighs about 10350 kg (22818 lb).

1500 kW
Standby
50.3 L
Displacement
120.0 L
Oil capacity
3
Document types

Specifications

FuelDiesel
Frequency60.0 Hz
Standby power1500 kW
Standby kVA1875
Prime power1250 kW
ControllerPowerCommand 2100
Oil capacity120.0 L
Voltage options24 V
Battery groupFour, 12 Volt
Battery cranking1400 CCA
Battery voltage24 Volts DC V
Battery quantity4
Coolant capacity379 L
Max ambient40 °C
Dry weight10350 kg

Engine

Cummins/Onan KTA50-G9
Oil capacity120.0 L
Coolant capacity521.0 L
Displacement50.3 L
AspirationTurbocharged and low temperature aftercooled
Rated speed1800 rpm

Maintenance & consumables

for the Cummins/Onan KTA50-G9
ItemSpecCapacityPart #Interval
Air filter find
Belt find
Coolant
Fuel filter find
Oil
Oil filter find

Parts

2
Part #DescriptionQtySystem
FS1216Fuel/Water Sep Spin-On2Fuel filter NAPA $65.16 Amazon eBay $44.99
LF3325Lube, Full-Flow Spin-On5Oil filter NAPA $37.15 Amazon eBay $176.70

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%111.029.2
Prime50%180.047.6
Prime75%257.068.0
Prime100%330.087.3
Standby25%124.032.8
Standby50%211.055.8
Standby75%301.079.4
Standby100%392.0103.6

Available documents

Spec sheetParts manualService manual