
PSI
PSI 20L-D
PSI 20L-D — 19.62 L L6 (150 × 185 mm bore × stroke) turbocharged & intercooled diesel generator engine, 15:1 compression, 2110 kg dry. From the official PSI 20L-D spec sheet.
- Standby Power · 60 Hz
- 813 kVA
- Electrical Output
- 650 kWe
- Cylinders
- L6
- Displacement
- 19.62 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 | |
|---|---|---|---|
| Standby Power | 722.2 | 650 | 812.5 |
PSI 20L-D generator set context
The PSI 20L-D is listed here as a diesel generator-drive engine for 60 Hz generator sets, with a headline 813 kVA / 650 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.
Also searched as
Technical Specifications
| Brand | PSI |
| Model | 20L-D |
| Configuration | L6 |
| Cylinders | 6 |
| Displacement | 19.62 L |
| Compression Ratio | 15:1 |
| Dry Weight | 2110 kg |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | U.S. EPA Tier 3 |
| Country of Origin | United States |
Frequently asked questions
What is the power output of the PSI 20L-D?
The PSI 20L-D is rated at 813 kVA standby at 60 Hz (1,800 rpm).
Does the 20L-D run at 50 Hz or 60 Hz?
The PSI 20L-D is rated for 60 Hz (1,800 rpm).
What fuel does the PSI 20L-D use?
The PSI 20L-D is a diesel generator-set engine.
What is the displacement and cylinder configuration of the 20L-D?
The PSI 20L-D is an inline-6 (6-cylinder) engine with a displacement of 19.62 L.
What emissions standard does the 20L-D meet?
The PSI 20L-D is certified to U.S. EPA Tier 3 emissions standards.
Is the PSI 20L-D still in production?
Yes — the PSI 20L-D is a current production model.
Is a datasheet available for the 20L-D?
Yes — an official PSI datasheet for the PSI 20L-D can be downloaded from this page.
Related Engines
Reference
- Canonical page
- /engines/psi-psi-20l-d-650kwe
- Last database update
- 2026-06-29
- Manufacturer files
- 1 datasheet linked
Need this engine?
Need a generator package using this engine? Haifeng Machinery can help with sizing, alternator selection, controller, enclosure, voltage, and compliance support.
Get a Quote ↗Or browse Haifeng's diesel generator sets ↗