Mesa
Mesa GV22PU
PowerCore
Mesa GV22PU — 21.9 L V12 (128 × 142 mm, 2 valves/cyl) EPA-certified spark-ignited natural-gas / propane generator engine, built on a Hyundai block. Up to 450 kW standby (60 Hz) / 399 kW (50 Hz); engine output 510 kW (684 hp) at 60 Hz.
- Manufacturer files
- 2 datasheets
- Last updated
- 2026-06-11
- Package route
- gas generator sets
- Standby Power · 50 Hz
- 499 kVA
- Electrical Output
- 399 kWe
- Cylinders
- V12
- Displacement
- 21.9 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 | |
|---|---|---|---|
| Standby Power | — | 399 | 498.8 |
60 Hz1800 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | — | 409 | 511.4 |
| Standby Power | — | 450 | 562.5 |
Mesa GV22PU generator set context
The Mesa GV22PU is listed here as a natural gas generator-drive engine for 50 Hz and 60 Hz generator sets, with a headline 499 kVA / 399 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 | Mesa |
| Model | GV22PU |
| Series | PowerCore |
| Configuration | V12 |
| Cylinders | 12 |
| Displacement | 21.9 L |
| 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 Mesa GV22PU?
The Mesa GV22PU is rated at 499 kVA standby at 50 Hz (1,500 rpm); and 563 kVA standby / 511 kVA prime at 60 Hz (1,800 rpm).
Does the GV22PU run at 50 Hz or 60 Hz?
The Mesa GV22PU is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).
What fuel does the Mesa GV22PU use?
The Mesa GV22PU is a Natural Gas generator-set engine.
What is the displacement and cylinder configuration of the GV22PU?
The Mesa GV22PU is a V12 (12-cylinder) engine with a displacement of 21.9 L.
What emissions standard does the GV22PU meet?
The Mesa GV22PU is certified to U.S. EPA Stationary emissions standards.
Is the Mesa GV22PU still in production?
Yes — the Mesa GV22PU is a current production model.
Is a datasheet available for the GV22PU?
Yes — an official Mesa datasheet for the Mesa GV22PU can be downloaded from this page.