PSI
PSI 8.1L T
PSI 8.1L T — 8.06 L L6 (111 × 139 mm bore × stroke) turbocharged & air-to-air charge-cooled natural gas / propane generator engine, 10.5:1 compression, 998 kg dry. 110 kWe standby / – kWe prime @ 50 Hz. From the official PSI 8.1L T spec sheet (LPG prime 80/95 kWe).
- Standby Power · 50 Hz
- 138 kVA
- Electrical Output
- 110 kWe
- Cylinders
- L6
- Displacement
- 8.06 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 | 131 | 110 | 137.5 |
| Standby Power | 131 | 110 | 137.5 |
60 Hz1800 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 150 | 125 | 156.3 |
| Standby Power | 150 | 125 | 156.3 |
PSI 8.1L T generator set context
The PSI 8.1L T is listed here as a natural gas generator-drive engine for 50 Hz and 60 Hz generator sets, with a headline 138 kVA / 110 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 | 8.1L T |
| Configuration | L6 |
| Cylinders | 6 |
| Displacement | 8.06 L |
| Compression Ratio | 10.5:1 |
| Dry Weight | 998 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 8.1L T?
The PSI 8.1L T is rated at 138 kVA standby / 138 kVA prime at 50 Hz (1,500 rpm); and 156 kVA standby / 156 kVA prime at 60 Hz (1,800 rpm).
Does the 8.1L T run at 50 Hz or 60 Hz?
The PSI 8.1L T is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).
What fuel does the PSI 8.1L T use?
The PSI 8.1L T is a Natural Gas generator-set engine.
What is the displacement and cylinder configuration of the 8.1L T?
The PSI 8.1L T is an inline-6 (6-cylinder) engine with a displacement of 8.06 L.
What emissions standard does the 8.1L T meet?
The PSI 8.1L T is certified to U.S. EPA Stationary emissions standards.
Is the PSI 8.1L T still in production?
Yes — the PSI 8.1L T is a current production model.
Is a datasheet available for the 8.1L T?
Yes — an official PSI datasheet for the PSI 8.1L T can be downloaded from this page.
Related Engines
Reference
- Canonical page
- /engines/psi-gas-8-1l-t
- Last database update
- 2026-06-29
- Manufacturer files
- 2 datasheets linked
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