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Ask for a document on WhatsAppVolvo Penta TWD1231VE discontinued legacy D12 industrial diesel. Volvo Penta service-manual mirrors and engine cross-reference lists identify TWD1231VE in the legacy industrial D12 family, with cross-reference output listed at 247 kW / 335 hp.
Legacy D12 Industrial VE
Specifications and documentation remain archived for reference.

Engine power × 0.90. These are estimates, not manufacturer generator ratings. Actual output depends on the alternator and operating conditions.
| Frequency / duty | Engine | Estimate |
|---|---|---|
| Frequency and duty unverified | 247 kWm | 222.3 kWe |
Match the model number on your engine plate to the document. Check its revision date and the speed and duty listed for each power rating.
We do not have a document for this model here yet. Send the model and serial number, and tell us which manual you need.
Ask for a document on WhatsApp| Brand | Volvo Penta |
| Model | TWD1231VE |
| Series | Legacy D12 Industrial VE |
| Configuration | Inline-6, turbocharged water-cooled industrial diesel |
| Cylinders | 6 |
| Displacement | 11.98 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | Legacy pre-current industrial emissions |
| Country of Origin | Sweden |
The Volvo Penta TWD1231VE is a high-speed industrial diesel engine rated at 247 kW mechanical output at 2,100 RPM. It is used in off-road equipment and can support engineered variable-speed power systems, but its maximum power is not a direct 50/60 Hz alternator rating. Verify the drivetrain, power electronics, cooling, and emissions installation with Volvo Penta before specifying a generator package.
Other ways this model is written
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Confirm fitment against your engine serial number.
Volvo Penta Reman injector/unit injector
Fitment check: Match the exact engine model; confirm the full engine serial number and assembly configuration in the Volvo Penta Shop or EPC
Source: Volvo Penta Reman 2024 Industrial Catalogue
Volvo Penta Reman injection pump
Fitment check: Match the exact engine model; confirm the full engine serial number and assembly configuration in the Volvo Penta Shop or EPC
Source: Volvo Penta Reman 2024 Industrial Catalogue
Volvo Penta Reman circulation pump
Fitment check: Match the exact engine model; confirm the full engine serial number and assembly configuration in the Volvo Penta Shop or EPC
Source: Volvo Penta Reman 2024 Industrial Catalogue
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The Volvo Penta TWD1231VE has a maximum mechanical output of 247 kW at 2,100 rpm. This is a variable-speed off-road rating, not a fixed-speed generator-set rating.
The Volvo Penta TWD1231VE is a diesel variable-speed industrial engine.
The Volvo Penta TWD1231VE is an inline-6 (6-cylinder) engine with a displacement of 11.98 L.
This record lists Legacy pre-current industrial emissions for the Volvo Penta TWD1231VE. 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.
No — the Volvo Penta TWD1231VE is discontinued. Its specifications and datasheets remain archived here for reference.