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D4.5F.1 D4.5F.1 Engine Engine

The D4.5F.1 D4.5F.1 is a 4.5 L 4-cylinder turbocharged engine rated at 1500 rpm, producing up to 50 kW. It powers generator sets from Generac, including the SD050. It holds 10 L (2.6 gal) of oil and 15 L (4.0 gal) of coolant.

Also known as: D4.5F.1 D4.5F.1

4.5 L
Displacement
4
Cylinders
1500 rpm
Rated speed
50 kW
Gross power

Engine specifications

Oil capacity10.0 L
Coolant capacity15.0 L
Displacement4.5 L
Cylinders4
AspirationTurbocharged
Rated speed1500 rpm
Gross power50 kW

Generator sets powered by this engine

1

Maintenance schedule

ItemSpecCapacityPart #Interval
Air filterGEN-12348500 hr find
Fuel filterGEN-12347500 hr find
Oil filterGEN-12346250 hr find
BeltGEN-123501000 hr find
CoolantGEN-1234915.0 L1000 hr
Oil10W-3010.0 L500 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 oil capacity of the D4.5F.1 D4.5F.1?

The D4.5F.1 D4.5F.1 engine has an oil capacity of 10.0 liters.

What is the displacement of the D4.5F.1 D4.5F.1?

The D4.5F.1 D4.5F.1 has a displacement of 4.5 liters with 4 cylinders.

Which generators use the D4.5F.1 D4.5F.1 engine?

The D4.5F.1 D4.5F.1 powers 1 generator set(s), including Generac SD050.

How often should you change the oil in the D4.5F.1 D4.5F.1?

The D4.5F.1 D4.5F.1 oil change interval is every 500 hours.