Caterpillar
Caterpillar C32B
C-Series High-Speed Industrial
Caterpillar C32B 32.1 L twin-turbocharged aftercooled V12 industrial diesel engine rated up to 895 kW at 1800 RPM for U.S. EPA Tier 4 Final and up to 839 kW for EU Stage V. Cat specifies maintenance-free DOC aftertreatment. Generator-set electrical output depends on the selected package and is not inferred from the industrial mechanical rating.
Overhaul & repair parts- Manufacturer files
- 2 datasheets
- Last updated
- 2026-07-24
- Package route
- diesel generator sets
- Maximum Mechanical Power
- 895 kW
- Cylinders
- V12
- Displacement
- 32.1 L
- Rated Speed
- 1,800 RPM
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Caterpillar C32B overhaul & repair parts
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Caterpillar C32B industrial power context
The Caterpillar C32B is a high-speed industrial diesel engine rated at 895 kW mechanical output at 1,800 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.
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Technical Specifications
| Brand | Caterpillar |
| Model | C32B |
| Series | C-Series High-Speed Industrial |
| Configuration | V12 |
| Cylinders | 12 |
| Displacement | 32.1 L |
| Compression Ratio | 15.0:1 |
| Dry Weight | 3055 kg |
| Dimensions (L×W×H) | 1874 × 1600 × 1370 mm |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | Euro Stage V / U.S. EPA Final Tier 4 |
| Certifications | EU Stage V, U.S. EPA Tier 4 Final |
| Country of Origin | United States |
| Year Introduced | 2025 |
Frequently asked questions
What is the maximum power output of the Caterpillar C32B?
The Caterpillar C32B has a maximum mechanical output of 895 kW at 1,800 rpm. This is a variable-speed off-road rating, not a fixed-speed generator-set rating.
What fuel does the Caterpillar C32B use?
The Caterpillar C32B is a diesel variable-speed industrial engine.
What is the displacement and cylinder configuration of the C32B?
The Caterpillar C32B is a V12 (12-cylinder) engine with a displacement of 32.1 L.
What emissions information is listed for the C32B?
This record lists Euro Stage V / U.S. EPA Final Tier 4 for the Caterpillar C32B. 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 Caterpillar C32B?
The Caterpillar C32B 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 C32B?
This page links reference documents for the Caterpillar C32B. Check each document's title, model coverage, revision and rating conditions before using it for selection.