Sign In
Welcome! Sign In to personalize your Cat.com experience
If you already have an existing account with another Cat App, you can use the same account to sign in here
Register Now
One Account. All of Cat.
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.
Account Information
Site Settings
Security
Proven performance in heavy-duty applications
Since 1981, leading the large engine market
Demonstrated savings in operating costs
Key Specs
Producing reliable power from 890 to 1250 eKW 60 Hz, our 3512 diesel generator sets are made to meet your mission critical, continuous, standby and prime applications. We've designed each to ISO 8528-5 transient response requirements and to accept 100% rated load in one step. Generator sets are optimized for low fuel consumption.
Proven performance in heavy-duty applications
Since 1981, leading the large engine market
Demonstrated savings in operating costs
| Standby Rating | 1250/1100 ekW 1250/1100 ekW |
| Prime Power Rating | 1135/1000 ekW 1135/1000 ekW |
| Emissions/Fuel Strategy | Low Fuel Consumption Low Fuel Consumption |
| Voltage | 380 to 480 Volts 380 to 480 Volts |
| Frequency | 60 Hz 60 Hz |
| Speed | 1800 rpm 1800 rpm |
| Duty Cycle | Standby, Mission Critical, Prime, Continuous Standby, Mission Critical, Prime, Continuous |
| Maximum Rating | 1250 ekW 1250 ekW |
| Minimum Rating | 890 ekW 890 ekW |
| Engine Model | 3512A, V-12, 4-Stroke Water-Cooled Diesel 3512A, V-12, 4-Stroke Water-Cooled Diesel |
| Bore | 6.69 in 170 mm |
| Stroke | 7.48 in 190 mm |
| Displacement | 3161.03 in³ 51.8 l |
| Compression Ratio | 13.5:1 13.5:1 |
| Aspiration | TA TA |
| Fuel System | MUI MUI |
| Governor Type | Woodward Woodward |
| Length - Maximum | 203.5 in 5169 mm |
| Width - Maximum | 79.3 in 2015 mm |
| Height - Maximum | 92 in 2336 mm |
| Dry Weight - Genset (minimum) | 22099 lb 10024 kg |
| Dry Weight - Genset (maximum) | 22540 lb 10224 kg |
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.
Learn MoreShop for genuine and Cat Reman parts online, with access to price, inventory, and 24/7 expert support.
Learn More3512 (60 Hz) Upgradeable Package
3512 (60 Hz) Upgradeable Package
3512 (50 Hz) Upgradeable Package
3512 (60 Hz) Upgradeable Package
