Lister Petter
Lister Petter LPWS4
Alpha LPW Series
Lister Petter LPWS4 is a 1.859 L inline-4 naturally aspirated water-cooled diesel engine. EPA annual certification data lists 20 kWm at 1800 RPM under Interim Tier 4.
- Electrical Output
- 20 kW
- Cylinders
- L4
- Displacement
- 1.859 L
- Rated Speed
- 1,500 RPM
Lister Petter LPWS4 generator set context
The Lister Petter LPWS4 is listed here as a diesel generator-drive engine for 50 Hz generator sets, with a headline 20 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 | Lister Petter |
| Model | LPWS4 |
| Series | Alpha LPW Series |
| Configuration | L4 Naturally Aspirated |
| Cylinders | 4 |
| Displacement | 1.859 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | U.S. EPA Interim Tier 4 |
| Certifications | U.S. EPA Interim Tier 4 |
| Country of Origin | United Kingdom |
Frequently asked questions
What fuel does the Lister Petter LPWS4 use?
The Lister Petter LPWS4 is a diesel generator-set engine.
What is the displacement and cylinder configuration of the LPWS4?
The Lister Petter LPWS4 is an inline-4 (4-cylinder) engine with a displacement of 1.859 L.
What emissions standard does the LPWS4 meet?
The Lister Petter LPWS4 is certified to U.S. EPA Interim Tier 4 emissions standards.
Is the Lister Petter LPWS4 still in production?
Yes — the Lister Petter LPWS4 is a current production model.
Reference
- Canonical page
- /engines/lister-petter-lpws4
- Last database update
- 2026-07-25
- Manufacturer files
- No datasheet linked yet
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