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Home›Engines›Cummins/Onan C1400D5

Cummins/Onan C1400D5 Engine

The Cummins/Onan C1400D5 is a 50 L engine. It powers generator sets from Cummins/Onan, including the C1400 D5.

Also known as: Cummins C1400D5

50.0 L
Displacement
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Engine specifications

Displacement50.0 L

Maintenance schedule

ItemSpecCapacityPart #Interval
Air filterDry replaceable element—1200 hr
Fuel filterDual spin on paper element fuel filters with standard water separator—1200 hr
Oil filterCummins OEF65489-001200 hr Amazon eBay
Battery1800 amps at ambient temperature 32 ºF (0 °C)—1200 hr
BeltStandard—1200 hr
Coolant50/50 (Ethylene glycol)12.7 L—1200 hr
Oil5W-4012.7 L—1200 hr
Spark plug—6000 hr

Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.

Common questions

What is the displacement of the Cummins/Onan C1400D5?

The Cummins/Onan C1400D5 has a displacement of 50.0 liters.

Which generators use the Cummins/Onan C1400D5 engine?

The Cummins/Onan C1400D5 powers 1 generator set(s), including Cummins/Onan C1400 D5.

How often should you change the oil in the Cummins/Onan C1400D5?

The Cummins/Onan C1400D5 oil change interval is every 1200 hours.