HomeEnginesPerkins 404A-22G1

Perkins 404A-22G1 Engine

The Perkins 404A-22G1 is a 2.22 L 4-cylinder naturally aspirated engine rated at 1500 rpm, producing up to 20.6 kW. It powers generator sets from Caps and Perkins, including the CP14S-TP1 and CP22-TP1. It holds 10.6 L (2.8 gal) of oil and 7 L (1.8 gal) of coolant.

Also known as: Perkins 404A-22G1

2.216 L
Displacement
4
Cylinders
1500 rpm
Rated speed
20 kW
Gross power

Engine specifications

Oil capacity10.6 L
Coolant capacity7.0 L
Displacement2.216 L
Cylinders4
AspirationNaturally aspirated
Rated speed1500 rpm
Gross power20 kW

Generator sets powered by this engine

3

Shared across brands: Caps, Perkins

How to read your Perkins engine serial & model number →

Maintenance schedule

ItemSpecCapacityPart #Interval
Fuel filter
Oil filter500 hr
Oil500 hr

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

Service intervals

2
ItemActionHoursMonthsNotes
oilChange500 hrdependent on load factor
oil filterChange500 hrdependent on load factor

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

Recommended fluids

FluidGradeStandardAmbientCapacityNotes
FuelBS 2869: Part 2 1998 Class A2 or ASTM D975 D2Approved for operation on biodiesel concentrations of up to 20%

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

Aftermarket parts that fit this engine

2

Parts listed by aftermarket suppliers as fitting this engine — leads compiled from supplier catalogs; verify the exact part for your serial number.

Common questions

What is the oil capacity of the Perkins 404A-22G1?

The Perkins 404A-22G1 engine has an oil capacity of 10.6 liters.

What is the displacement of the Perkins 404A-22G1?

The Perkins 404A-22G1 has a displacement of 2.216 liters with 4 cylinders.

Which generators use the Perkins 404A-22G1 engine?

The Perkins 404A-22G1 powers 3 generator set(s), including Caps CP14S-TP1, Caps CP22-TP1, Perkins 404A-22G1.

How often should you change the oil in the Perkins 404A-22G1?

The Perkins 404A-22G1 oil change interval is every 500 hours.