MTU
MTU 12V1600 G81S
Series 1600 Gx1
MTU 12V1600 G81S 22.4 L V12 diesel/HVO gendrive engine with a 126 x 150 mm bore and stroke, rated at 890 kWm gross mechanical power at 1800 RPM for 60 Hz standby service. MTU lists the Series 1600 Gx1 with an EPA Tier 2 calibration. Electrical kWe and kVA depend on the selected generator package and alternator and are not inferred here.
Overhaul & repair parts- Manufacturer files
- 1 datasheet
- Last updated
- 2026-07-24
- Package route
- diesel generator sets
- Mechanical Output
- 890 kW
- Cylinders
- V12
- Displacement
- 22.444 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 | 890 | — | — |
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MTU 12V1600 G81S overhaul & repair parts
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MTU 12V1600 G81S generator set context
The MTU 12V1600 G81S is listed here as a diesel/hvo generator-drive engine for 60 Hz generator sets, with a headline 890 kW / 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 | MTU |
| Model | 12V1600 G81S |
| Series | Series 1600 Gx1 |
| Configuration | V12 |
| Cylinders | 12 |
| Displacement | 22.444 L |
| Fuel Type | Diesel/HVO |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | U.S. EPA Tier 2 |
| Certifications | U.S. EPA Tier 2 |
| Country of Origin | Germany |
| Year Introduced | 2024 |
Frequently asked questions
Does the 12V1600 G81S run at 50 Hz or 60 Hz?
The MTU 12V1600 G81S is rated for 60 Hz (1,800 rpm).
What fuel does the MTU 12V1600 G81S use?
The MTU 12V1600 G81S is a diesel generator-set engine.
What is the displacement and cylinder configuration of the 12V1600 G81S?
The MTU 12V1600 G81S is a V12 (12-cylinder) engine with a displacement of 22.444 L.
What emissions information is listed for the 12V1600 G81S?
This record lists U.S. EPA Tier 2 for the MTU 12V1600 G81S. 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 MTU 12V1600 G81S?
The MTU 12V1600 G81S 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 12V1600 G81S?
This page links reference documents for the MTU 12V1600 G81S. Check each document's title, model coverage, revision and rating conditions before using it for selection.