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Based on the successful CM43C Cat medium speed engine, Caterpillar Motoren, Kiel designed the CM46DF to meet and exceed the CM43C reliability and lifetime expectations, while maintaining it's class leading position regarding operational efficiency and reliability. Applying the same design philosophies, the CM46DF will share the same footprint with the CM43C providing the opportunity to retrofit CM43C engines. With it's clean design, the CM46DF does allow fast and easy access to system and components, supporting the operation, service and maintenance simplicity Cat products are known for. The CM46DF generator set is designed to operate on gaseous fuel with methane numbers down to MN 50 and liquid fuels as MGO, MDO, heavy fuels and crude oil. The CM46DF is certified to IMO Tier II standards and meets proposed IMO Tier III emissions levels while operating in gas mode. Care and attentionwas paid to customers demand for a safe and reliable operation at varying engine loads and gas qualities.

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Engine Specifications
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Maximum Rating 14040.0 kV·A 11232.0 ekW
Emissions IMO II/III IMO II/III
Stroke 24.0 in 610.0 mm
Bore 18.1 in 460.0 mm
Engine Control Electronic Electronic
Displacement 74266.0 in³ 1217.0 l
Aspiration Turbocharged- Aftercooled Turbocharged- Aftercooled

Ease of installation

Standard modular design allows for ease of installation and reduced complexity. Low installation cost with auxiliary systems mounted on engine and cooling water system with simple plug-in connections.

Improved Serviceability

Large inspection openings for convenient access to core engine components. The core engine components are designed for reconditioning and reuse at overhaul. All products are supported by the worldwide dealer network with factory-trained technicians which means that parts and support are never out of reach. This generator set has a segmental camshaft and split connecting rod design for quick piston and camshaft removal.

12CM46DF Standard Equipment

Engine
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  • Motor-driven barring gear, fitted on engine
  • Emergency shutdown equipment with push button for manual emergency stop