Caterpillar G3412C
Caterpillar G3412C — 27 L V12 spark-ignited natural gas generator engine (Cat G3400 series). 374 ekW continuous at 1500 rpm (423 ekW @ 60 Hz); low-emission electronic-control variant. Source: Cat 2024 Electric Power Ratings Guide.
Production StatusIn Production
3400
- Configuration
- V12
- Displacement
- 27 L
- Fuel
- Natural Gas
Power Ratings
kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf
50 Hz1500 RPM
| Rating | Prime |
|---|---|
| Electrical output kWe | 374 |
| Apparent power kVA | 467.5 |
60 Hz1800 RPM
| Rating | Prime |
|---|---|
| Electrical output kWe | 423 |
| Apparent power kVA | 528.8 |
Datasheet & documents
Match the model number on your engine plate to the document. Check its revision date and the speed and duty listed for each power rating.
Technical specifications
Technical Specifications
| Brand | Caterpillar |
| Model | G3412C |
| Series | 3400 |
| Configuration | V12 |
| Cylinders | 12 |
| Displacement | 27 L |
| Fuel Type | Natural Gas |
| Ignition Type | Spark Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | U.S. EPA Stationary |
| Country of Origin | United States |
Check your engine model
The Caterpillar G3412C is a natural gas generator-drive engine for 50 Hz and 60 Hz generator sets, rated at 468 kVA / 374 kWe / prime rating. Match the model and serial number on your engine plate when requesting a manual or parts. The ratings and emissions information below help identify the version fitted to your generator.
Other ways this model is written
g3412cCaterpillar G3412C3400 G3412C
G3412C repair parts
Haifeng supplies overhaul parts, filters, fuel injection parts and engine controls. Send your engine plate and the parts you need for a parts and delivery quote.
Get a parts & air-shipping quoteIn-stock parts: same-day dispatch
Worldwide air shipping. Tell us your city and country for a shipping quote and estimated arrival date.
Find the right part
Send your engine plate, part numbers or photos, quantity, and delivery city. Parts can differ between versions of the same engine.
Other parts? Add them in the chat.
Get my parts quote on WhatsAppWe’ll confirm the correct parts, stock and delivery cost before you order.
Opens WhatsApp. Attach photos in the chat.
Photos and details to send
- Take a clear photo of the engine nameplate.
- Tell us what needs repair or replacement.
- Send both in WhatsApp to start a fitment check.
These categories have model-related records. Part numbers need further checking before we display them here.
Get help with this engine
Need a manual, a replacement part or help with an engine problem? Tell us what happened and include the serial number if you have it.
Other ways to contact us
Scan QRHide QR
General WhatsApp chatScan with your phone. Add the model and your request in chat.Haifeng sales teamNeed help after checking the documents?
Send us the part number or describe the problem. This engine model is included in your message.
Send this model enquiry by emailOr browse Haifeng's gas generator sets
Frequently asked questions
What is the power output of the Caterpillar G3412C?
The Caterpillar G3412C is rated at 468 kVA prime at 50 Hz (1,500 rpm); and 529 kVA prime at 60 Hz (1,800 rpm).
Does the G3412C run at 50 Hz or 60 Hz?
The Caterpillar G3412C is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).
What fuel does the Caterpillar G3412C use?
The Caterpillar G3412C is a Natural Gas generator-set engine.
What is the displacement and cylinder configuration of the G3412C?
The Caterpillar G3412C is a V12 (12-cylinder) engine with a displacement of 27 L.
What emissions information is listed for the G3412C?
This record lists U.S. EPA Stationary for the Caterpillar G3412C. Confirm the exact engine family, model year, configuration and applicable manufacturer certification documents before specifying it for a regulated project. A database label does not establish certification of a complete generator package.
What is the catalog status of the Caterpillar G3412C?
The Caterpillar G3412C 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 G3412C?
This page links reference documents for the Caterpillar G3412C. Check each document's title, model coverage, revision and rating conditions before using it for selection.