Perkins
Perkins 4012-46TWG2A
4000 Series Gas
Perkins 4012-46TWG2A — 45.8 L V12 (160 × 190 mm) turbocharged spark-ignited natural-gas/biogas engine (Perkins 4000 Series Gas). 750–1000 kWe at 1500 rpm / 50 Hz, for CHP / power generation.
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- Manufacturer files
- 3 datasheets
- Last updated
- 2026-06-09
- Package route
- gas generator sets
- Standby Power · 50 Hz
- 1,385 kVA
- Electrical Output
- 1,108 kWe
- Cylinders
- V12
- Displacement
- 45.8 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
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 1113.3 | 1000 | 1250 |
| Standby Power | 1231.1 | 1108 | 1385 |
60 Hz1800 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 1113.3 | 1002 | 1252.5 |
| Standby Power | 1231.1 | 1108 | 1385 |
Perkins 4012-46TWG2A generator set context
The Perkins 4012-46TWG2A is listed here as a natural gas generator-drive engine for 50 Hz and 60 Hz generator sets, with a headline 1,385 kVA / 1,108 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.
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Technical Specifications
| Brand | Perkins |
| Model | 4012-46TWG2A |
| Series | 4000 Series Gas |
| Configuration | V12 |
| Cylinders | 12 |
| Displacement | 45.8 L |
| Fuel Type | Natural Gas |
| Ignition Type | Spark Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | Unregulated |
| Country of Origin | United Kingdom |
Frequently asked questions
What is the power output of the Perkins 4012-46TWG2A?
The Perkins 4012-46TWG2A is rated at 1,385 kVA standby / 1,250 kVA prime at 50 Hz (1,500 rpm); and 1,385 kVA standby / 1,253 kVA prime at 60 Hz (1,800 rpm).
Does the 4012-46TWG2A run at 50 Hz or 60 Hz?
The Perkins 4012-46TWG2A is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).
What fuel does the Perkins 4012-46TWG2A use?
The Perkins 4012-46TWG2A is a Natural Gas generator-set engine.
What is the displacement and cylinder configuration of the 4012-46TWG2A?
The Perkins 4012-46TWG2A is a V12 (12-cylinder) engine with a displacement of 45.8 L.
Is the Perkins 4012-46TWG2A still in production?
Yes — the Perkins 4012-46TWG2A is a current production model.
Is a datasheet available for the 4012-46TWG2A?
Yes — an official Perkins datasheet for the Perkins 4012-46TWG2A can be downloaded from this page.