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About the Caterpillar 3512B
The Caterpillar 3512B is a heavy-duty industrial diesel engine from Cat’s 3500 family, built for continuous power in generator, marine and industrial applications. Known for robust construction, serviceability and long operational life, the 3512B suits demanding sites that require reliable, high-capacity prime or standby power.
- Trusted Seller

3512B Diesel Generator Set
- Manufacturer: Caterpillar
- Model: 3512B
- Horsepower: 1 hp
- Fuel type: diesel
Air cleaner; single element canister type with service indicator True RMS AC metering, 3-phase, +/-2% accuracy DC volts 24 Volt DC operation kVA (per phase, average & percent) Engine cool-down timer Coolant tempe...
Mesa, AZ - Trusted Seller

3512B Diesel Generator Set
- Manufacturer: Caterpillar
- Model: 3512B
- Fuel type: diesel
- Aspiration type: Turbocharged Aftercooled
Air cleaner; single element canister type with service indicator True RMS AC metering, 3-phase, +/-2% accuracy DC volts 24-volt DC operation kVA (per phase, average & percent) Engine cool-down timer Coolant tempe...
Mesa, AZ - Trusted Seller

3512B Diesel Generator Set
- Manufacturer: Caterpillar
- Model: 3512B
- Fuel type: diesel
- Aspiration type: Turbocharged Aftercooled
Air cleaner; single element canister type with service indicator Exhaust flange outlet Dry exhaust manifold Flanged faced outlet(s) IP23 Protection Matched to the performance and output characteristics of Cat eng...
Mesa, AZ - Trusted Seller

3512B (50 Hz) Generator Set
- Manufacturer: Caterpillar
- Model: 3512B
- Fuel type: diesel
- Aspiration type: Turbocharged Aftercooled
Aingle element canister type air cleaner with service indicator Air cleaner Package mounted radiator (except C175) Emergency stop button Programmable protective relaying functions: Over/under voltage (27 / 59) kV...
Mesa, AZ - Trusted Seller

3512B (50 Hz) Generator Set
- Manufacturer: Caterpillar
- Model: 3512B
- Horsepower: 1 hp
- Fuel type: diesel
Aingle element canister type air cleaner with service indicator Air cleaner Package mounted radiator (except C175) Speed adjust Oil pressure (psi, kPa or bar) 4 Programmable relay outputs (Form A) kVAr (per phase...
Mesa, AZ - Trusted Seller

3512B (50 Hz) Generator Set
- Manufacturer: Caterpillar
- Model: 3512B
- Horsepower: 1 hp
- Fuel type: diesel
Aingle element canister type air cleaner with service indicator Air cleaner Package mounted radiator (except C175) Emergency stop button Programmable protective relaying functions: Over/under voltage (27 / 59) kV...
Mesa, AZ - Trusted Seller

3512B (50 Hz) Generator Set
- Manufacturer: Caterpillar
- Model: 3512B
- Horsepower: 1 hp
- Fuel type: diesel
Aingle element canister type air cleaner with service indicator Air cleaner Package mounted radiator (except C175) Emergency stop button Programmable protective relaying functions: Over/under voltage (27 / 59) kV...
Mesa, AZ - Trusted Seller

2025 CATERPILLAR 3512B
- Manufacturer: Caterpillar
- Model: 3512B
- Fuel type: diesel
- Aspiration type: Turbocharged Aftercooled
New Caterpillar Petroleum Land Drilling Modules, with Factory Reman Model 3512B Engine,1200 RPM, 600 Volt, Prime Power, LO-BSFC (Best Fuel Economy), Not Emissions Compliant, CAT Premium EMCP 4.3 Generato...
St. Augustine, FL - Trusted Seller

3512B Offshore Generator Set
- Manufacturer: Caterpillar
- Model: 3512B
- Fuel type: diesel
- Machine weight: 14,974.89 kg
Separate Circuit aftercooler core, corrosion resistant coated(air side)Air cleaner, regular dutyDual Turbochargers, 152 mm (6 in) OD straight connection Caterpillar A-III Electronic Engine Control, LHwith Electro...
Mesa, AZ

