Haifeng Machinery
Perkins logo

Perkins

Perkins 4012-46TAG2A

4000 Series

In Production

The Perkins 4012-46TAG2A is a 46-litre V12 diesel engine for generator sets, rated at 1,650 kVA / 1,320 kWe standby power at 1,500 RPM (50 Hz). It is a liquid-cooled engine built in United Kingdom.

Overhaul & repair parts
Supporting documents
3 documents · 3 datasheets
Last updated
2026-05-29
Package route
diesel generator sets
Standby Power · 50 Hz
1,650 kVA
Electrical Output
1,320 kWe
Cylinders
V12
Displacement
46 L
Rated Speed
1,500 / 1,800 RPM

Power Ratings

kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf

50 Hz1500 RPM

kWmkWekVA
Prime Power1333.312001500
Standby Power1466.713201650

60 Hz1800 RPM

kWmkWekVA
Prime Power1342.212081510
Standby Power1476.713291661.3

Ask about Perkins 4012-46TAG2A

Choose parts / service or sourcing. Your message includes this model and page link.

Perkins 4012-46TAG2A overhaul & repair parts

Already running a Perkins 4012-46TAG2A? Start with the parts you need, then send your nameplate so we can help check the right references for your engine.

Which parts do you need?

These categories have model-related records. Part numbers need further checking before we display them here.

Let’s identify the right parts.

The model is the starting point. Serial numbers and build configurations can change which parts fit.

  1. Take a clear photo of the engine nameplate.
  2. Tell us what needs repair or replacement.
  3. Send both in WhatsApp to start a fitment check.
How to read your engine nameplateSend nameplate on WhatsApp

Opens WhatsApp with 4012-46TAG2A and your selected categories included. Attach your photos there.

Shareable spec cardPerkins 4012-46TAG2A summary imageOpen image
Perkins 4012-46TAG2A 46L V12 diesel generator engine — 1,650 kVA standby specifications

Perkins 4012-46TAG2A generator set context

The Perkins 4012-46TAG2A is listed here as a diesel generator-drive engine for 50 Hz and 60 Hz generator sets, with a headline 1,650 kVA / 1,320 kWe / standby rating. Use this page to compare the published engine output, electrical kWe/kVA ratings, emissions level, datasheet availability, and neighboring models before specifying an alternator, controller, enclosure, voltage, and compliance package.

Also searched as

401246tag2a4012 46TAG2APerkins 4012-46TAG2A4000 Series 4012-46TAG2A

Technical Specifications

BrandPerkins
Model4012-46TAG2A
Series4000 Series
ConfigurationV12
Cylinders12
Displacement46 L
Fuel TypeDiesel
Ignition TypeCompression Ignition
Cooling MethodLiquid-Cooled
Emissions StandardUnregulated
Country of OriginUnited Kingdom

Frequently asked questions

What is the power output of the Perkins 4012-46TAG2A?

The Perkins 4012-46TAG2A is rated at 1,650 kVA standby / 1,500 kVA prime at 50 Hz (1,500 rpm); and 1,661 kVA standby / 1,510 kVA prime at 60 Hz (1,800 rpm).

Does the 4012-46TAG2A run at 50 Hz or 60 Hz?

The Perkins 4012-46TAG2A is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).

What fuel does the Perkins 4012-46TAG2A use?

The Perkins 4012-46TAG2A is a diesel generator-set engine.

What is the displacement and cylinder configuration of the 4012-46TAG2A?

The Perkins 4012-46TAG2A is a V12 (12-cylinder) engine with a displacement of 46 L.

What is the catalog status of the Perkins 4012-46TAG2A?

The Perkins 4012-46TAG2A is marked active in this database. Confirm current production and availability with the manufacturer; catalog status is not a live supply check.

Are reference documents available for the 4012-46TAG2A?

This page links reference documents for the Perkins 4012-46TAG2A. Check each document's title, model coverage, revision and rating conditions before using it for selection.

Related Engines

Compare Perkins 4012-46TAG2A