PSI
PSI 53L
PSI 53L — 52.31 L V16 (150 × 185 mm bore × stroke) turbocharged & air-to-air charge-cooled natural gas / propane generator engine, 10.5:1 compression, 5500 kg dry. 850 kWe standby / 775 kWe prime @ 50 Hz. From the official PSI 53L spec sheet (High-Output NG standby 1250 kWe @ 60 Hz; LPG prime 575/700 kWe).
- Standby Power · 50 Hz
- 1,063 kVA
- Electrical Output
- 850 kWe
- Cylinders
- V16
- Displacement
- 52.31 L
- Rated Speed
- 1,500 / 1,800 RPM
Power Ratings
kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf
50 Hz1500 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 888 | 775 | 968.8 |
| Standby Power | 987 | 850 | 1062.5 |
60 Hz1800 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 1067 | 925 | 1156.3 |
| Standby Power | 1185 | 1050 | 1312.5 |
PSI 53L generator set context
The PSI 53L is listed here as a natural gas generator-drive engine for 50 Hz and 60 Hz generator sets, with a headline 1,063 kVA / 850 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 | 53L |
| Configuration | V16 |
| Cylinders | 16 |
| Displacement | 52.31 L |
| Compression Ratio | 10.5:1 |
| Dry Weight | 5500 kg |
| Fuel Type | Natural Gas |
| Ignition Type | Spark Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | U.S. EPA Stationary |
| Certifications | EPA |
| Country of Origin | United States |
Frequently asked questions
What is the power output of the PSI 53L?
The PSI 53L is rated at 1,063 kVA standby / 969 kVA prime at 50 Hz (1,500 rpm); and 1,313 kVA standby / 1,156 kVA prime at 60 Hz (1,800 rpm).
Does the 53L run at 50 Hz or 60 Hz?
The PSI 53L is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).
What fuel does the PSI 53L use?
The PSI 53L is a Natural Gas generator-set engine.
What is the displacement and cylinder configuration of the 53L?
The PSI 53L is a V16 (16-cylinder) engine with a displacement of 52.31 L.
What emissions standard does the 53L meet?
The PSI 53L is certified to U.S. EPA Stationary emissions standards.
Is the PSI 53L still in production?
Yes — the PSI 53L is a current production model.
Is a datasheet available for the 53L?
Yes — an official PSI datasheet for the PSI 53L can be downloaded from this page.
Related Engines
Reference
- Canonical page
- /engines/psi-gas-53l
- Last database update
- 2026-06-29
- Manufacturer files
- 2 datasheets linked
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