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Your Caterpillar account is the single account you use to log in to select services and applications we offer. Shop for parts and machines online, manage your fleet, go mobile, and more.
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Proven performance in heavy-duty applications
Designed to match engine and alternator performance
Can handle large loads without affecting operations
Key Specs
The C27 diesel generator sets have been developed for your mission critical, standby and prime applications. Producing reliable power from 635 to 800 ekW at 60 Hz, each generator set has been designed to meet ISO 8528-5 transient response requirements and to take on 100 % rated load in one step. The C27 is certified as a low fuel consumption system as well as having a certificate for EPA Stationary Emergency (Tier 2).
Proven performance in heavy-duty applications
Designed to match engine and alternator performance
Can handle large loads without affecting operations
| Maximum Rating | 800 ekW 800 ekW |
| Minimum Rating | 635 ekW 635 ekW |
| Emissions/Fuel Strategy | Low Fuel, Tier 2 Nonroad Equivalent Low Fuel, Tier 2 Nonroad Equivalent |
| Voltage | 208 to 600 Volts 208 to 600 Volts |
| Frequency | 60 Hz 60 Hz |
| Speed | 1800 rpm 1800 rpm |
| Duty Cycle | Standby, Prime Standby, Prime |
| Engine Model | C27 ATAAC, V-12, 4-Stroke, Water-Cooled Diesel C27 ATAAC, V-12, 4-Stroke, Water-Cooled Diesel |
| Bore | 5.4 in 137.2 mm |
| Stroke | 6 in 152.4 mm |
| Displacement | 1649.47 in³ 27.03 l |
| Compression Ratio | 16.1:1 16.1:1 |
| Aspiration | TA TA |
| Fuel System | MEUI MEUI |
| Governor Type | Adem™A4 Adem™A4 |
| Length - Maximum | 184 in 4674 mm |
| Width - Maximum | 67.8 in 1723 mm |
| Height - Maximum | 85.1 in 2162 mm |
Observe and manage your fleet from anywhere with Cat RAM, and benefit from real-time monitoring by expert advisors with Condition Monitoring.
Learn MoreExperience hassle-free ownership and predictable expenses with flexible Customer Value Agreements, which include Long-Term Service Agreements.
Learn MoreRetain genset value with maintenance, upgrade kits, and repair options that extend lifecycles, optimise performance, and help you control costs.
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