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Cummins/Onan CS1250-6 Generator Set

The Cummins/Onan CS1250-6 is a 1020 kW (1276 kVA) Diesel standby generator set powered by a Cummins/Onan KTA38-G4 engine. It is available at 220 V and 480 V, single-phase and 60 Hz. It holds about 135 L (35.7 gal) of oil and 307 L (81.1 gal) of coolant, with a maximum ambient rating of 40 °C. The set weighs about 2210 kg (4872 lb).

1020 kW
Standby
38.0 L
Displacement
135.0 L
Oil capacity
1
Document types

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Specifications

FuelDiesel
Frequency60.0 Hz
Standby power1020 kW
Standby kVA1276
ControllerPCL
Oil capacity135.0 L
Voltage options220 V, 480 V
PhaseSingle
Coolant capacity307 L
Max ambient40 °C
Dry weight2210 kg

Engine

Cummins/Onan KTA38-G4
Oil capacity140.0 L
Coolant capacity336.5 L
Displacement38.0 L
AspirationTurbo Aftercooled
Rated speed1800 rpm

Filters for the Cummins/Onan KTA38-G4

3

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 filterP550777Lube Filter, Spin-On BypassCUMMINS 3021658, CUMMINS 33004232, NAPA 1749, BALDWIN B7577 FridayParts $43.56
Oil filterP551670Lube Filter, Spin-On Full FlowCUMMINS 298670, CUMMINS 299670, NAPA 1970, CARBOCOL 0026 FridayParts $26.68
Fuel / water separatorP552006Fuel Filter, Water Separator Spin-On Twist&DrainCUMMINS 3089916, CUMMINS 4095189, NAPA 3645, BALDWIN BF1262 FridayParts $42.88

Common questions

What is the power rating of the Cummins/Onan CS1250-6?

The Cummins/Onan CS1250-6 is rated 1020 kW standby (1276.0 kVA).

What engine does the Cummins/Onan CS1250-6 use?

The Cummins/Onan CS1250-6 is powered by the Cummins/Onan KTA38-G4 engine.

Is the Cummins/Onan CS1250-6 diesel or gas?

The Cummins/Onan CS1250-6 runs on Diesel.

How much oil does the Cummins/Onan CS1250-6 take?

The Cummins/Onan KTA38-G4 engine in the Cummins/Onan CS1250-6 has an oil capacity of 140.0 liters.

What is the cooling system capacity of the Cummins/Onan CS1250-6?

The Cummins/Onan CS1250-6 cooling system holds 307 liters (81.1 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.

How much does the Cummins/Onan CS1250-6 weigh?

The Cummins/Onan CS1250-6 has a dry weight of 2210 kg (4872 lb).

What voltages is the Cummins/Onan CS1250-6 available in?

The Cummins/Onan CS1250-6 is offered in 220 V, 480 V, Single-phase.

Available documents

Spec sheet — KTA38 60HZ 928~1020kw (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.