PSI
PSI 53L
PSI 53L is a 52.31 L V16 spark-ignition natural-gas generator engine. Natural-gas ratings: 50 Hz prime 780 kWe / 888 kWm; 50 Hz standby 870 kWe / 987 kWm; 60 Hz prime 925 kWe / 1067 kWm; 60 Hz standby 1050 kWe / 1185 kWm. Ratings exclude propane/LPG data and were verified from official PSI natural-gas rating tables.
Overhaul & repair parts- Manufacturer files
- 2 datasheets
- Last updated
- 2026-07-24
- Package route
- gas generator sets
- Standby Power · 50 Hz
- 1,088 kVA
- Electrical Output
- 870 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 | 780 | 975 |
| Standby Power | 987 | 870 | 1087.5 |
60 Hz1800 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 1067 | 925 | 1156.3 |
| Standby Power | 1185 | 1050 | 1312.5 |
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PSI 53L overhaul & repair parts
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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 1,088 kVA / 870 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.
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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 1,088 kVA standby / 975 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 information is listed for the 53L?
This record lists U.S. EPA Stationary for the PSI 53L. 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.
What is the catalog status of the PSI 53L?
The PSI 53L is marked active in this database. Confirm current production and availability with the manufacturer; catalog status is not a live supply check.
Are reference documents available for the 53L?
This page links reference documents for the PSI 53L. Check each document's title, model coverage, revision and rating conditions before using it for selection.