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Ford Motor ESG642 Engine

The Ford Motor ESG642 is a 4.2 L 6-cylinder natural engine rated at 1800 rpm, producing up to 57.8 kW. It powers generator sets from Olympian, including the G30F3, G35F3S, G40F3 and G45F3S. It holds 5.7 L (1.5 gal) of oil and 20 L (5.3 gal) of coolant.

Also known as: Ford Motor Co. ESG642

4.2 L
Displacement
6
Cylinders
1800 rpm
Rated speed
57 kW
Gross power

Engine specifications

Oil capacity5.7 L
Coolant capacity20.0 L
Displacement4.2 L
Cylinders6
AspirationNatural
Rated speed1800 rpm
Gross power57 kW

Maintenance schedule

ItemSpecCapacityPart #Interval
Air filterDry, light duty
Oil filterSpin-On, Full Flow
Coolant20.0 L
Oil5.7 L

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

Recommended fluids

FluidGradeStandardAmbientCapacityNotes
Engine oilAPI CF-45.7 L

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Common questions

What is the oil capacity of the Ford Motor ESG642?

The Ford Motor ESG642 engine has an oil capacity of 5.7 liters.

What is the displacement of the Ford Motor ESG642?

The Ford Motor ESG642 has a displacement of 4.2 liters with 6 cylinders.

Which generators use the Ford Motor ESG642 engine?

The Ford Motor ESG642 powers 5 generator set(s), including Olympian G30F3, Olympian G35F3S, Olympian G40F3, Olympian G45F3S, Olympian G50F3.