Mercedes-Benz
Mercedes-Benz OM366 LA Engine Specs
OM 300 Series
The Mercedes-Benz OM366 LA is a 5.958 L turbocharged charge-cooled inline-6 diesel engine from the OM 300 Series. This reference page summarizes OM366 LA specs, 150 kW maximum mechanical output, Euro Stage I context, compression ratio, datasheet sources and related Mercedes-Benz legacy engines.
Overhaul & repair parts- Manufacturer files
- 1 datasheet
- Last updated
- 2026-08-04
- Package route
- diesel generator sets
- Maximum Mechanical Power
- 150 kW
- Cylinders
- L6
- Displacement
- 5.958 L
- Rated Speed
- 2,600 RPM
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Mercedes-Benz OM 366 LA industrial power context
The Mercedes-Benz OM366 LA is a 5.958 L turbocharged charge-cooled inline-6 diesel engine from the OM 300 Series. This reference page summarizes OM366 LA specs, 150 kW maximum mechanical output, Euro Stage I context, compression ratio, datasheet sources and related Mercedes-Benz legacy engines.
Also searched as
What is the Mercedes-Benz OM366 LA?
The Mercedes-Benz OM366 LA is a 5.958 L inline-6 diesel engine with turbocharging and charge cooling. This page gives searchers the core OM366 LA specs in one place: 150 kW maximum mechanical output at 2,600 rpm, 16.5:1 compression ratio, liquid cooling, diesel fuel, Euro Stage I emissions context and Germany origin. It is useful for legacy export equipment, replacement-engine research and generator-package feasibility checks, but the listed output is mechanical engine power and should be reviewed before alternator matching or derating.
Technical reference links
Compare the OM366 LA for a diesel package
Haifeng Machinery can review whether the OM366 LA output class fits a standby or prime package, then match alternator, voltage, controller, enclosure and documentation requirements.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | OM 366 LA |
| Series | OM 300 Series |
| Configuration | L6, turbocharged charge-cooled |
| Cylinders | 6 |
| Displacement | 5.958 L |
| Compression Ratio | 16.5:1 |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | Euro Stage I |
| Country of Origin | Germany |
Frequently asked questions
What is the maximum power output of the Mercedes-Benz OM 366 LA?
The Mercedes-Benz OM 366 LA has a maximum mechanical output of 150 kW at 2,600 rpm. This is a variable-speed off-road rating, not a fixed-speed generator-set rating.
What fuel does the Mercedes-Benz OM 366 LA use?
The Mercedes-Benz OM 366 LA is a diesel variable-speed industrial engine.
What is the displacement and cylinder configuration of the OM 366 LA?
The Mercedes-Benz OM 366 LA is an inline-6 (6-cylinder) engine with a displacement of 5.958 L.
What emissions information is listed for the OM 366 LA?
This record lists Euro Stage I for the Mercedes-Benz OM 366 LA. 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.
Is the OM 366 LA still in production?
No — the Mercedes-Benz OM 366 LA is discontinued. Its specifications and datasheets remain archived here for reference.
Are reference documents available for the OM 366 LA?
This page links reference documents for the Mercedes-Benz OM 366 LA. Check each document's title, model coverage, revision and rating conditions before using it for selection.