Waukesha
Waukesha 140G
Early Historical Waukesha Model Series
Waukesha 140G discontinued early historical engine model series. The Waukesha Engine Historical Society production table lists this model series from 1939 to 1965; its model-designation guide explains the early letter, six-cylinder, and F-head naming schemes used by these rows. This supports a source-validated legacy page for owners searching parts, service, restoration, and overhaul information.
Overhaul & repair parts- Manufacturer files
- 1 datasheet
- Last updated
- 2026-08-12
- Package route
- gas generator sets
- Cylinders
- Legacy natural gas engine model series
- Rated Speed
- 1,500 RPM
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Waukesha 140G overhaul & repair parts
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Waukesha 140G generator set context
The Waukesha 140G is listed here as a natural gas generator-drive engine for 50 Hz generator sets. 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 | Waukesha |
| Model | 140G |
| Series | Early Historical Waukesha Model Series |
| Configuration | Legacy natural gas engine model series |
| Fuel Type | Natural Gas |
| Ignition Type | Spark Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | Historical production ended 1965 |
| Certifications | Waukesha Engine Historical Society production table, Waukesha Engine Historical Society model-designation guide |
| Country of Origin | United States |
| Year Introduced | 1939 |
| Year Discontinued | 1965 |
Frequently asked questions
What fuel does the Waukesha 140G use?
The Waukesha 140G is a Natural Gas generator-set engine.
What emissions information is listed for the 140G?
This record lists Historical production ended 1965 for the Waukesha 140G. 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.
Is the 140G still in production?
No — the Waukesha 140G is discontinued (production ended around 1965). Its specifications and datasheets remain archived here for reference.
Are reference documents available for the 140G?
This page links reference documents for the Waukesha 140G. Check each document's title, model coverage, revision and rating conditions before using it for selection.