Haifeng Machinery

Volvo Penta TWD1231VE

Volvo 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.

Production StatusProduction Discontinued

Legacy D12 Industrial VE

Specifications and documentation remain archived for reference.

Representative Volvo Penta engine
Maximum Mechanical Power
247 kW
Cylinders
L6
Displacement
11.98 L
Rated Speed
2,100 RPM

Estimated electrical output

Engine power × 0.90. These are estimates, not manufacturer generator ratings. Actual output depends on the alternator and operating conditions.

Frequency / dutyEngineEstimate
Frequency and duty unverified247 kWm222.3 kWe

Datasheet & documents

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Documents

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View TWD1231VE spec image
Shareable spec cardVolvo Penta TWD1231VE summary imageOpen image
Volvo Penta TWD1231VE 11.98L Inline-6, turbocharged water-cooled industrial diesel diesel high-speed industrial engine specifications

Technical specifications

Technical Specifications

BrandVolvo Penta
ModelTWD1231VE
SeriesLegacy D12 Industrial VE
ConfigurationInline-6, turbocharged water-cooled industrial diesel
Cylinders6
Displacement11.98 L
Fuel TypeDiesel
Ignition TypeCompression Ignition
Cooling MethodLiquid-Cooled
Emissions StandardLegacy pre-current industrial emissions
Country of OriginSweden

Check your engine model

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

twd1231veVolvo Penta TWD1231VELegacy D12 Industrial VE TWD1231VE

TWD1231VE repair parts

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Part-number references

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  • Injector3803281
    Fitment details & source

    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

  • Fuel injection pump3803740
    Fitment details & source

    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

  • Water pump3803537
    Fitment details & source

    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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Frequently asked questions

What is the maximum power output of the Volvo Penta TWD1231VE?

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.

What fuel does the Volvo Penta TWD1231VE use?

The Volvo Penta TWD1231VE is a diesel variable-speed industrial engine.

What is the displacement and cylinder configuration of the TWD1231VE?

The Volvo Penta TWD1231VE is an inline-6 (6-cylinder) engine with a displacement of 11.98 L.

What emissions information is listed for the TWD1231VE?

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.

Is the TWD1231VE still in production?

No — the Volvo Penta TWD1231VE is discontinued. Its specifications and datasheets remain archived here for reference.

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