Waukesha INDUSTRIAL ENGINES
DiscontinuedWaukesha 140GZ
Early Historical Waukesha Model Series
Waukesha 140GZ discontinued early historical engine model series. The Waukesha Engine Historical Society production table lists this model series from 1941 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.
Cylinders / Config
Legacy natural gas engine model series
Mechanical & Electrical Specifications
| Brand | Waukesha |
| Model | 140GZ |
| 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 | 1941 |
| Year Discontinued | 1965 |
Frequently Asked Questions
What fuel does the Waukesha 140GZ use?
The Waukesha 140GZ is a Natural Gas generator-set engine.
What emissions standard does the 140GZ meet?
The Waukesha 140GZ is certified to Historical production ended 1965 emissions standards.
Is the 140GZ still in production?
No — the Waukesha 140GZ is discontinued (production ended around 1965). Its specifications and datasheets remain archived here for reference.
Is a datasheet available for the 140GZ?
Yes — an official Waukesha datasheet for the Waukesha 140GZ can be downloaded from this page.