Home›Engines›Perkins 4012-46TAG3A

Perkins 4012-46TAG3A Engine

The Perkins 4012-46TAG3A is a 45.84 L 12-cylinder turbocharged and air to air charge cooled engine rated at 1500 rpm. It powers generator sets from AKSA, FG Wilson and Lees, including the AD1500, P1700P1, P1875E1 and LSP1875S3. It holds 177.6 L (46.9 gal) of oil and 240 L (63.4 gal) of coolant.

Also known as: Perkins 4012-46TAG3A

Part of the Perkins 4012 engine family — 17 variants share parts & fitment.

45.842 L

Displacement

Cylinders

1500 rpm

Rated speed

177.6 L

Oil capacity

On this pageSpecs Generator sets Maintenance FAQ Service intervals Fluids

Engine specifications

Oil capacity	177.6 L
Coolant capacity	240.0 L
Displacement	45.842 L
Cylinders	12
Aspiration	Turbocharged and air to air charge cooled
Rated speed	1500 rpm

Generator sets powered by this engine

Shared across brands: AKSA, FG Wilson, Lees

AKSA AD1500 FG Wilson P1700P1 FG Wilson P1875E1 Lees LSP1875S3

How to read your Perkins engine serial & model number →

Maintenance schedule

Item	Spec	Capacity	Part #
Air filter	Air Filter		4012-46TAG3A	Amazon eBay
Fuel filter	Fuel Filter		4012-46TAG3A	Amazon eBay
Oil filter	Oil Filter		4012-46TAG3A	Amazon eBay
Battery	Battery Charger Amps		—
Belt	Belt		4012-46TAG3A	Amazon eBay
Coolant filter	Coolant Filter		4012-46TAG3A	Amazon eBay
Oil	Wet sump with filler and dipstick	177.0 litres	—
Spark plug	N/A		—

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

Service intervals

Item	Action	Hours	Months	Notes
oil and filter	Change	450 hr		1300 Series EDi - oil and filter changes at 450 hours reduce down time
service interval	Other	500 hr		1100C range - 500 hour service intervals

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

Fluid	Grade	Standard	Notes
Engine oil		API CH4/ACEA E5	1100 Series (1103C/1104C)
Engine oil	15W40	ACEA E3 or API CG4	1300 Series EDi
Engine oil	multi-grade oil	API-CH4/CI4	1106D-E66TAG
Engine oil	single or multigrade oil	ACEA E1 E2 or CD/SD	1000 Series
Fuel		BS 2869 Part 2 1998 Class A2 or ASTM D975 D2	1000/1300 Series

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

Parts cataloged across the Perkins 4012 family

Part #	Description	Category
LL8224H	LL8224H	Alternator
LL8224N	LL8224N	Alternator
M351	Main bearing bolts, lateral capscrews, main bearing caps	Main bearing bolts
T6253/292	Dismantling tool for centrifugal oil filter	Oil filter
T6253/293	Extraction tool for centrifugal oil filter	Oil filter
4012-46TAG3A	Air Filter	Service part / kit

Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.

Common questions

What is the oil capacity of the Perkins 4012-46TAG3A?

The Perkins 4012-46TAG3A engine has an oil capacity of 177.6 liters.

What is the displacement of the Perkins 4012-46TAG3A?

The Perkins 4012-46TAG3A has a displacement of 45.842 liters with 12 cylinders.

Which generators use the Perkins 4012-46TAG3A engine?

The Perkins 4012-46TAG3A powers 4 generator set(s), including AKSA AD1500, FG Wilson P1700P1, FG Wilson P1875E1, Lees LSP1875S3.