FPT
FPT NEF45SM1X
N45 Series
FPT NEF45SM1X 4.5 L L4 diesel engine for generator sets. At 60 Hz and 1800 RPM, FPT publishes 52 kWm / 47 kWe prime and 57 kWm / 52 kWe standby. U.S. EPA Tier 3.
Overhaul & repair parts- Manufacturer files
- 3 datasheets
- Last updated
- 2026-07-24
- Package route
- diesel generator sets
- Standby Power · 60 Hz
- 65 kVA
- Electrical Output
- 52 kWe
- Cylinders
- L4
- Displacement
- 4.5 L
- Rated Speed
- 1,800 RPM
Power Ratings
kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf
60 Hz1800 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 52 | 47 | 59 |
| Standby Power | 57 | 52 | 65 |
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FPT NEF45SM1X overhaul & repair parts
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FPT NEF45SM1X generator set context
The FPT NEF45SM1X is listed here as a diesel generator-drive engine for 60 Hz generator sets, with a headline 65 kVA / 52 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 | FPT |
| Model | NEF45SM1X |
| Series | N45 Series |
| Configuration | L4 |
| Cylinders | 4 |
| Displacement | 4.5 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | U.S. EPA Tier 3 |
| Certifications | U.S. EPA Tier 3 |
| Country of Origin | Italy |
Frequently asked questions
What is the power output of the FPT NEF45SM1X?
The FPT NEF45SM1X is rated at 65 kVA standby / 59 kVA prime at 60 Hz (1,800 rpm).
Does the NEF45SM1X run at 50 Hz or 60 Hz?
The FPT NEF45SM1X is rated for 60 Hz (1,800 rpm).
What fuel does the FPT NEF45SM1X use?
The FPT NEF45SM1X is a diesel generator-set engine.
What is the displacement and cylinder configuration of the NEF45SM1X?
The FPT NEF45SM1X is an inline-4 (4-cylinder) engine with a displacement of 4.5 L.
What emissions information is listed for the NEF45SM1X?
This record lists U.S. EPA Tier 3 for the FPT NEF45SM1X. 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 FPT NEF45SM1X?
The FPT NEF45SM1X 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 NEF45SM1X?
This page links reference documents for the FPT NEF45SM1X. Check each document's title, model coverage, revision and rating conditions before using it for selection.