Caterpillar 3512B Marine Auxiliary Engine
The Caterpillar 3512B marine auxiliary engine is a V-12, 4-Stroke-Cycle-Diesel engine with a 170.0 mm (6.7 in) bore, 190.0 mm (7.5 in) stroke and 51.8 L (3158 in³) displacement.
The Caterpillar C3512B marine auxiliary engine is rated at 1800 RPM and rated at 1910 BHP (1424 bkW).
Caterpillar 3512B marine auxiliary engine complies with US EPA Tier 4 / IMO III air intake is turbocharged After cooling.
As part of EMAC, Caterpillar Marine Auxiliary 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 ship 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 Marine Auxiliary Engine
Utilizes SCR Technology to enable U.S. EPA Tier 4 Final emission regulations compliance while lowering operational costs.
Industry-leading warranty coverage for factory packaged components.
Advanced engine combustion design process utilizing optimum configurations and cylinder geometry for maximum engine efficiency.
Enhanced control of fuel injection optimized through crank timing and the latest A5 ECM technology.
Optimal fuel injector nozzle geometry and electronic injection control for improved fuel delivery.
Strengthened cylinder heads and valves for increased durability and peak cylinder pressure capability resulting in higher engine duty cycle capability.
Utilizes closed loop air assisted DEF dosing control strategy that delivers : Highest efficiency mixing and control to lower operational costs, Extends emissions useful life, Ensures compliance, Flexible to urea quality.
Technical Specifications
Basic Introduction of 3512B Marine Auxiliary Engine
| Engine Model: | 3512B |
| Engine Type: | V-12, 4-Stroke-Cycle-Diesel |
| Displacement: | 51.8 L |
| Rated Speed: | 1800 RPM |
| Aspiration Method: | Turbocharged Aftercooled (TA) |
| Emission Standard: | N/A |
| Bore*Storke: | 170 mm (6.7 in)*190 mm (7.5 in) |
| Packing Size(L*W*H): | 3038.6 * 1988.0 * 2073.8 mm |
| Weight , Net Dry: | 6532 kg (14400 lb) |
| Lead Time: | 15-30 Working Days |
| Payment Terms: | T/T ,L/C |
General Engine Specifications of Caterpillar 3512B Marine Auxiliary Engine | |||
| Basic Engine Specifications | V-12, 4-Stroke-Cycle-Diesel | Governor | Electronic |
| Displacement | 51.8 L (3158 in³) | Rotation (From Flywheel End) | Counterclockwise |
| Rated Engine Speed | 1800 RPM | Length | 3038 mm (119.6 in) |
| Height | 1988 mm (78.3 in) | Width | 1988 mm (78.3 in) |
| Aspiration | Turbocharged-Aftercooled | Weight, Net Dry (Max) | 6532 kg (14400 lb) |
| Bore | 170 mm (6.7 in) | Stroke | 190 mm (7.5 in) |
| ——END—— | |||
Standard of Caterpillar 3512B Marine Auxiliary Engine | |||
| AIR INLET SYSTEM | Corrosion-resistant Aftercooler Core | GENERAL | Vibration Damper and Guard |
| Lube SYSTEM | Gear-type Oil Pump, Deep Sump Oil Pan | COOLING SYSTEM | Auxiliary Fresh Water Pump |
| EXHAUST SYSTEM | Dual Turbochargers | FUEL SYSTEM | Duplex Fuel and Oil Filtration |
| ——END—— | |||
System of Caterpillar 3512B Marine Auxiliary Engine | ||
| Air System | Combustion Air Inlet System | |
| Intake Combustion Air Flow | 5.3 m³/min (71 bkW) | |
| Intake Combustion Air Flow | 187 cfm (71 bkW) | |
| Intake Combustion Air Temperature Up to | 50 °C (122 °F) | |
| Engine Room Ventilation Air | ||
| Heat Rejection to Atmosphere | 8.0 kW (71 bkW) | |
| Heat Rejection to Atmosphere | 455 BTU/min (95 BHP) | |
| Fuel System | Fuel Rate | 237 g/bkW-hr (63.4 gal/hr) |
| Fuel Rate | 16.9 kg/hr (63.4 gal/hr) | |
| Fuel Flow Transfer Pump | 4.1 L/min (71 bkW) | |
| Fuel Pressure Static Head | ± 2.8 m (± 9.1 ft) | |
| Fuel Supply Line Restriction (Max) | 10 kPa (2.9 in Hg) (1.45 PSI) | |
| Fuel Temperature Transfer Pump in (Max) | 60 °C (140°F) | |
| Fuel Return Line Restriction (Max) | 10 kPa (2.9 in Hg) (1.45 PSI) | |
| Fuel Supply / Return Connections | 11 / 16 in O ring Face Seal (ORFS) | |
| Diesel Fuel Grade | ISO-F-DMX/ISO-F-DMA/ISO | |
| Exhaust System | Exhaust Gas Flow (Total) | 6.60 kg/min |
| Exhaust Stack Temperature | 455 °C | |
| Exhaust Stack Temperature | 851 °F | |
| Engine Exhaust Connection | 63 mm (2.5 in) ID, 6 x 9 mm (0.35 in) Holes on 88.9 mm (3.5 in) PCD | |
| Max Allowable System Backpressure | 15 kPa (60 in H2O) | |
| Lube System | Sump Type | Isolated |
| Sump Capacity (Max) | 11 L (5.55 gal) | |
| Sump Capacity (Min) | 9 L (4.62 gal) | |
| Oil Change Interval | 500 Hr | |
| Max Installation Angle (Any Direction) | 25 Degrees | |
| Max Continuous Operation Angle (Any Direction) | 25 Degrees | |
| Max Intermittent Operation Angle (Any Direction) | CI-4 10W30 or 15W40 | |
| Starting System | Electrical Starting Motor | 24 VDC, 12 VDC |
| Cold Starting | 800 CCA [at -15 °C (5 °F) Ambient Temperature] | |
| ——END—— | ||
Standard of Caterpillar 3512B Marine Auxiliary 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 | |||
| ——END—— | ||||
Optional Accessories of Caterpillar 3512B Marine Auxiliary 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 | |
| ——END—— | ||||
Modifiable Components of Caterpillar 3512B Marine Auxiliary 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 | |||
| ——END—— | ||||
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.
Engine Sale Manual
Installation Drawing
Installation Manual
Operation Manual
Parts Catalogue
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