HomeCummins/OnanCummins/Onan C70-D5

Cummins/Onan C70-D5 Generator Set

The Cummins/Onan C70-D5 is a 56 kW (70 kVA) Diesel standby generator set powered by a Cummins/Onan 4BT3.9-G4 engine. It is available at 254/440 V, 240/416 V, 230/400 V, 220/380 V, 127/220 V, 115/200 V and 110/190 V, 50 Hz. It holds about 10.9 L (2.9 gal) of oil and 21.2 L (5.6 gal) of coolant, with a maximum ambient rating of 50 °C. The set measures 1950×1084×1480 mm (76.8×42.7×58.3 in) and weighs about 1063 kg (2344 lb). An integrated tank holds 106 L (28.0 gal), roughly 8 hours of runtime.

56 kW
Standby
3.92 L
Displacement
10.9 L
Oil capacity
1
Document types

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

Specifications

FuelDiesel
Frequency50.0 Hz
Standby power56 kW
Standby kVA70
Prime power50 kW
ControllerPCC1300
Oil capacity10.9 L
Voltage options254/440 V, 240/416 V, 230/400 V, 220/380 V, 127/220 V, 115/200 V, 110/190 V
Battery voltage12 V
Coolant capacity21.2 L
Max ambient50 °C
Dimensions (L×W×H)1950×1084×1480 mm
Dry weight1063 kg
Fuel tank106.0 L
Tank runtime8 hr

Engine

Cummins/Onan 4BT3.9-G4
Oil capacity10.9 L
Coolant capacity21.2 L
Displacement3.92 L
AspirationTurbocharged
Rated speed1500 rpm

Maintenance & consumables

for the Cummins/Onan 4BT3.9-G4
ItemSpecCapacityPart #Interval
Air filterNormal duty air filter find
Fuel filterOil and fuel filter fitted, water separator find
Oil filterOil and fuel filter fitted, water separator find
Belt find
CoolantCoolant capacity (only engine)7.2 l
OilLubrication system oil capacity10.9 l

Common questions

What is the power rating of the Cummins/Onan C70-D5?

The Cummins/Onan C70-D5 is rated 56 kW standby (70.0 kVA).

What engine does the Cummins/Onan C70-D5 use?

The Cummins/Onan C70-D5 is powered by the Cummins/Onan 4BT3.9-G4 engine.

What fuel does the Cummins/Onan C70-D5 use?

The Cummins/Onan C70-D5 runs on Diesel.

What is the oil capacity of the Cummins/Onan C70-D5?

The Cummins/Onan 4BT3.9-G4 engine in the Cummins/Onan C70-D5 has an oil capacity of 10.9 liters.

Parts

1
Part #DescriptionQtySystem
AN500T0083ALTERNATORAlternator PartsGeek

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
Prime15.0
Standby16.0

Available documents

Spec sheet — Cummins-C70-D5 4BT3.9 (Cummins/Onan)