Caterpillar
Caterpillar C9.3B
C-Series High-Speed Industrial
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.
- Maximum Mechanical Power
- 340 kW
- Cylinders
- L6
- Displacement
- 9.3 L
- Rated Speed
- 1,800 RPM
Caterpillar C9.3B industrial power context
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.
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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 |
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 standard does the C9.3B meet?
The Caterpillar C9.3B is certified to Euro Stage V / U.S. EPA Final Tier 4 emissions standards.
Is the Caterpillar C9.3B still in production?
Yes — the Caterpillar C9.3B is a current production model.
Is a datasheet available for the C9.3B?
Yes — an official Caterpillar datasheet for the Caterpillar C9.3B can be downloaded from this page.
Reference
- Canonical page
- /engines/caterpillar-c9-3b
- Last database update
- 2026-07-24
- Manufacturer files
- 1 datasheet linked
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