Caterpillar C9.3B
Caterpillar C9.3B 9.3 L inline-6 high-speed industrial diesel engine rated from 250 to 340 kW at 1800-2200 RPM. Cat documents DOC, DPF and SCR aftertreatment and EU Stage V / U.S. EPA Tier 4 Final compliance. EPA data confirms constant-speed 1800 RPM configurations; generator-package electrical output must be engineered separately.
Production StatusIn Production
C-Series High-Speed Industrial
- Maximum Mechanical Power
- 340 kW
- Cylinders
- L6
- Displacement
- 9.3 L
- Rated Speed
- 1,800 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 / duty | Engine | Estimate |
|---|---|---|
| Frequency and duty unverified | 340 kWm | 306 kWe |
Datasheet & documents
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.
Technical specifications
Technical Specifications
| Brand | Caterpillar |
| Model | C9.3B |
| Series | C-Series High-Speed Industrial |
| Configuration | L6 |
| Cylinders | 6 |
| Displacement | 9.3 L |
| Compression Ratio | 17.0:1 |
| Dry Weight | 865 kg |
| Dimensions (L×W×H) | 1125 × 791 × 1068 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 | 2019 |
Check your engine model
The Caterpillar C9.3B is a high-speed industrial diesel engine rated at 340 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.
Other ways this model is written
c93bCaterpillar C9.3BC-Series High-Speed Industrial C9.3B
C9.3B repair parts
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Frequently asked questions
What is the maximum power output of the Caterpillar C9.3B?
The Caterpillar C9.3B has a maximum mechanical output of 340 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 C9.3B use?
The Caterpillar C9.3B is a diesel variable-speed industrial engine.
What is the displacement and cylinder configuration of the C9.3B?
The Caterpillar C9.3B is an inline-6 (6-cylinder) engine with a displacement of 9.3 L.
What emissions information is listed for the C9.3B?
This record lists Euro Stage V / U.S. EPA Final Tier 4 for the Caterpillar C9.3B. 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 C9.3B?
The Caterpillar C9.3B 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 C9.3B?
This page links reference documents for the Caterpillar C9.3B. Check each document's title, model coverage, revision and rating conditions before using it for selection.