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, producing up to 1500 kW. 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.
Engine specifications
| Oil capacity | 177.6 L |
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| Coolant capacity | 240.0 L |
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| Displacement | 45.842 L |
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| Cylinders | 12 |
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| Aspiration | Turbocharged and air to air charge cooled |
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| Rated speed | 1500 rpm |
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| Gross power | 1500 kW |
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Maintenance schedule
| Item | Spec | Capacity | Part # | Interval | |
|---|
| 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
2| 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 | Ambient | Capacity | 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
9| Part # | Description | Category |
|---|
| LL8224H | LL8224H | alternator |
| LL8224N | LL8224N | alternator |
| M351 | Main bearing bolts, lateral capscrews, main bearing caps | main_bearing_bolts |
| 4012-46TAG3A | Engine | other_service |
| 4012TAG | | other_service |
| 4012TAG1 | | other_service |
| 4012TAG2 | | other_service |
| T6253/292 | dismantling tool | other_service |
| T6253/293 | extraction tool | other_service |
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.