Caterpillar 3512B Offshore Generator Set
The Caterpillar 3512B Offshore engine is an V-12, 4-Stroke-Cycle diesel with a 170 mm (6.7 in) bore, 190 mm (7.5 in) stroke and 52 L (3175 in³) displacement.
The Caterpillar 3512B Offshore engine is rated at 1500 RPM and rated at 1257 bkW.
Caterpillar 3512B Offshore engine complies with EPA Marine Tier 2, IMO Tier II, air intake is turbocharged After cooling.
Caterpillar 3512B offshore generator sets are specifically designed for drilling and production operations offshore. Decades of experience powering offshore vessels and platforms make have evolved into a product that offers proven performance, low emissions, high durability, and low owning and operating costs.AppliCaterpillarions for 3500 offshore generator sets include main power, essential services power, and emergency power on-board drilling and production rigs and vessels.Caterpillar generator sets are backed by the worldwide network of Caterpillar dealers ready to support your operation with technical support, service, parts, and warranty.Caterpillar 3512B offshore generator set. Ratings: 880-1360 ekW (1100-1943 kVA) @ 50/60 Hz (1000/1200/1500/1800 rpm). Meets IMO Tier II emission standards.
As part of EMAC, Caterpillar offshore also offers high performance propulsion and handling solutions Engine, engine provides electronic control and mechanical, fuel common rail system for customers to choose, we provide full life cycle service for all customers, from design to offshore power system supply, from installation to commissioning, from after-sales service training to spare parts supply, from Troubleshooting to Overhaul Technical Support.
Advantages of 3512B Offshore Generator Set
- Product Designr : Developed specifically to meet the demands of oil and gas applications- Proven reliability and durability- Robust diesel strength design prolongs life and lowers owning and operating costs- Market-leading power density- Designed to perform in oilfield conditions, including high ambient and high altitude applications- Long overhaul life proven in oilfield applications- Core engine components designed for reconditioning and reuse at overhaul.
- Ease of Installation : Inner-outer base mounting configuration simplifies rig integration – Wide range of attachments enable configuration flexibility – Inner base three-point generator mounting maintains factory alignment – Single lifting point simplifies installation work.
- Safety : E-stop pushbutton on instrument panel – Air shutoff and explosion relief valves available – Configurable alarm, derate, and shutdown set points – Extra alarms, inputs, and outputs available.
Technical Specifications
Basic Introduction of Caterpillar 3512B Offshore Generator Set
Engine Model: | 3512B |
Engine Type: | Inline 6, 4-Stroke-Cycle Diesel |
Displacement: | 52 L |
Rated Speed: | 2200 – 2500 RPM |
Aspiration Method: | Turbocharged Aftercooled (TA) |
Emission Standard: | UN ECE R96 Stage IIIA |
Bore*Storke: | 170 mm (6.7 in) * 190 mm (7.5 in) |
Packing Size(L*W*H): | 4842 mm * 1988 mm * 2207 mm |
Weight , Net Dry: | 14975 kg (33014 lb) |
Lead Time: | 15-30 Working Days |
Payment Terms: | T/T ,L/C |

General Engine Specifications of CAT C7.1E Industrial Engine | ||||
Engine Configuration | In-Line 6, 4-Stroke-Cycle Diesel | Bore | 105 mm (4.1 in) | |
Stroke | 135 mm (5.3 in) | Displacement | 7.01 L (427.7 in³) | |
Aspiration | Turbocharged Aftercooled (TA) | Rotation From Flywheel End | Counterclockwise | |
Length | 929 mm (36.6 in) | Width | 668 mm (26.3 in) | |
Height | 817 mm (32.2 in) | Weight | 506 kg (1115 lb) | |
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Engine Performance Data Rated Power of CAT C7.1E Industrial Engine | ||||
Maximum Power | 205 bkW (275 BHP) | Maximum Torque | 1050 N.m @ 1400 RPM(774 lb-ft @ 1400 RPM) | |
Rated Speed | 2200-2500 RPM | Minimum Power | 116 bkW (155.6 BHP) | |
Emissions | China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA | Aspiration | Turbocharged Aftercooled (TA) | |
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System of CAT C7.1E Industrial Diesel Engine | ||||
Control System | Full Electronic Control System, All Connectors and Wiring Looms Waterproof | Cooling System | Top Tank Temperature 108 °C (226 °F) As Standard to Minimize Cooling Pack Size | |
Designed to Withstand Harsh Offhighway Environments | 50:50 Water Glycol Mix, Detailed Guidance on Cooling System Design | |||
Flexible and Configurable Software Features | Validation Available to Ensure Machine Reliability | |||
Well Supported Sae J1939 Can Bus Enables Highly Integrated Machines | ||||
Exhaust System | Diesel Particulate Filter and Regeneration System Supplied, with a Range of Inlet and Outlet Options | Lube System | Wide Choice of Sumps for Different Applications | |
Fuel System | Electronic High Pressure Common Rail | |||
Acerttm Technology, Innovative Filter Design to Ensure Maximum Protection of the Engine | ||||
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Standard of CAT C7.1E Industrial Engine | ||||
Fuel System | 1. Fuel Transfer Pump | Exhuast System | 1. Exhuast Manifold | |
2. High-Pressure Fuel Pump | 2. Turbocharger | |||
3. Fuel Filter | 3. Exhuast Elbow | |||
Air Intake System | 1. Air Intake Manifold | Starting System | 1. Starter Motor | |
2. N/A | 2. Starter Rely | |||
Cooling System | 1. Water Pump | Power Output System | 1. Flywheel | |
2. Engine Fan | 2. Standard Flywheel Housing | |||
3. Standard Radiator | 3. N/A | |||
Lubricating System | 1. Oil Pump | Charging System | 1. Charging Alternator | |
2. Oil Filter | 2. N/A | |||
Engine Shut-Down System | 1. Engine Fuel Shut-Off Solenoidr | Engine Mounting System | 1. Engine Mouting Bracket | |
Engine Auiliary Accessories | 1. Air Compressor | |||
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Optional Accessories of CAT C7.1E Industrial Engine | ||||
Air Intake System | 1. Air Intake Pre-Heater | Exhuast System | 1. Muffler & Bellows | |
2. Air Intake Shut-Off Valve | 2. Flame Trap | |||
3. Air Filter | 3. Spark Arrestor Type Muffler & Bellows | |||
4. Air Intake Pre-Filter | 4. Dpf System | |||
5. Air Filter Alarm System | 5. N/A | |||
Fuel System | 1. Coarse Filter | Lubricating System | 1. Oil Pre-Heater. | |
2. Fuel Pre-Heater | 2. N/A | |||
Starting System | 1. Manual Magnetic Dc Contactor | Cooling System | 1. Silent Type Radiator | |
2. Dual Ears Flywheel Housing | 2. Plateau Radiator | |||
3. Spring Starter Motor | 3. Salt-Spray Resistant Radiator | |||
4. Air Starter Motor | 4. Coolant Pre-Heater | |||
5. Hydraulic Starter Motor | 5. Jacket Water Heater | |||
6. Manual Magnetic Dc Contactor | 6. N/A | |||
Engine Auiliary Accessories | 1. Hydraulic Oil Pump | Control System | 1. Can Add Engine Monitoring System, Contro System With Wiring Harness. | |
2. Air Conditioner Compressor | 2. Can Add Self-Protection System that Integrated with Alarm System. | |||
Power Output System | 1. Clutch | Engine Mounting System | 1. Shock Absorber Pad | |
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Modifiable Components of CAT C7.1E Industrial Engine | ||||
Air Intake System | 1. Installation Position of Air Filter | Charging System | 1. 12 V Charging Alternator for 12 V Electric System | |
2. Upgrade to Heavy-Duty Type Air Fitler | 2. Explosion-Proof Charging Alternator | |||
3. N/A | 3. Upgrading to Specified Brand and Speicifications of Charging Alternator | |||
Exhuast System | 1. Water-Cooled Exhuast Manifold | Lubricating System | 1. Oil Pan Position | |
2. Water-Cooled Turbocharger | 2. Number of Dipstick | |||
3. Can Modify Installation Position and Direction of Turbocharger | 3. Position of Dipstick Can Choose from 6 Positions | |||
4. N/A | 4. Can Modify Oil Filter to be Remote Installation | |||
Engine Shut-Down System | 1. 12 V Solenoid for 12 V Electric System | Starting System | 1. Upgrading to Specified Brand and Speicifications of Starter Motor | |
2. Explosion-Proof Solenoid | 2. 12 V Starter Motor for 12 V Electric System | |||
Fuel System | 1. Upgrade to Fuel Fitler that Integrated with Fuel Transfer Pump and Fuel Pre-Hearter | Engine Auiliary Accessories | 1. All of auxiliary System can Choose Specified Brands and Specifications | |
2. N/A | 2. Additional Auxiliary Systems Can be Added for Special Applications | |||
Cooling System | 1. Can Modify Engine fan Into Blower Fan or Suction Fan | Power Output System | 1. Can Modify Size of Flywheel Housing and Flywheel | |
2. Can Modify Central Position of Engine Cooling Fan | 2. Dual-Ear Flywheel Housing (For Twin-Starter System) | |||
3. Can Choose Type of Engine Fan From Mechanical Type or Electric Type | 3. Some of Models can Modify Flywheel Housing Into PTO Integrated Type | |||
4. N/A | 4. Engine Have Connecting Port of PTOs, That Able to Provide Power Output | |||
Engine Mounting System | 1. Can Modify Engine Mouting Bracket | |||
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Note: All Above Data are Just for Referenece, All Data Might Change Without Notices or Update, Please Contact Our Sales Team to Confirm All Details Via WhatsApp or Email.

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