FPT
FPT F4HE9685B*J
NEF 6.7
FPT F4HE9685B*J 6.728 L inline-6 turbocharged and intercooled diesel engine. EPA annual certification records from 2017 through 2026 consistently list 172 kWm at 1800 RPM under Tier 3. Four-cylinder values in earlier rows conflict with the model family and later records.
Overhaul & repair parts- Manufacturer files
- 2 datasheets
- Last updated
- 2026-07-25
- Package route
- diesel generator sets
- Mechanical Output
- 172 kW
- Cylinders
- L6
- Displacement
- 6.728 L
- Rated Speed
- 1,500 RPM
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FPT F4HE9685B*J overhaul & repair parts
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FPT F4HE9685B*J generator set context
The FPT F4HE9685B*J is listed here as a diesel generator-drive engine for 50 Hz generator sets, with a headline 172 kW / 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 | F4HE9685B*J |
| Series | NEF 6.7 |
| Configuration | L6 Turbocharged Intercooled |
| Cylinders | 6 |
| Displacement | 6.728 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 fuel does the FPT F4HE9685B*J use?
The FPT F4HE9685B*J is a diesel generator-set engine.
What is the displacement and cylinder configuration of the F4HE9685B*J?
The FPT F4HE9685B*J is an inline-6 (6-cylinder) engine with a displacement of 6.728 L.
What emissions information is listed for the F4HE9685B*J?
This record lists U.S. EPA Tier 3 for the FPT F4HE9685B*J. 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 F4HE9685B*J?
The FPT F4HE9685B*J 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 F4HE9685B*J?
This page links reference documents for the FPT F4HE9685B*J. Check each document's title, model coverage, revision and rating conditions before using it for selection.