Caterpillar 3412 Marine Engine
3412 Marine Key Specs
Maximum Power: 300 HP
Rate Speed: 1800 - 2200 rpm
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Product Specs, and more
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Overview Cat 3412 Marine Engine
Caterpillar 3412 V12, 4 Stroke-Cycle-Diesel
STANDARD ENGINE EQUIPMENT
- Air Inlet System
- Cooling System
- Exhaust System
- Fuel System
- Instrumentation
- Lube System
- Mounting System
- General
- ISO Certification
Product Specifications for Cat 3412 Marine Engine
Specifications
| Engine Configuration | V12, 4 Stroke-Cycle-Diesel |
| Rotation from Flywheel End | Counterclockwise |
| Rated Speed | 1750 – 2100 rpm |
| Power Range | 476 – 551bkW |
| Stroke | 152mm (6.0in) |
| Bore | 137mm (5.4in) |
| Displacement | 27 L (1649 cu. in.) |
| Aspiration | Turbocharged-Aftercooled |
Features
Air Inlet System
- Corrosion resistant aftercooler core; light-duty air
cleaner open system (shipped loose)
- Corrosion resistant aftercooler core; light-duty air
Cooling System
- Gear driven auxiliary sea water pump; gear driven
centrifugal jacket water pump; block heaters, one
on each side; expansion tank with heat exchanger
and deaerators; oil cooler; thermostats and housing
with 92°C (198°F) full open temperature
- Gear driven auxiliary sea water pump; gear driven
Exhaust System
- Watercooled manifold and turbocharger; round
flanged outlet, 130 mm (5.12 in.)
- Watercooled manifold and turbocharger; round
Flywheels and Flywheel Housing
- SAE No. 1 (113 teeth) standard engine
- SAE No. 0 (136 teeth) side access engine
Fuel System
- Fuel priming pump, fuel transfer pump, fuel filter —
RH service on port, LH service on starboard;
flexible fuel lines
- Fuel priming pump, fuel transfer pump, fuel filter —
Lube System
- Oil level gauge and oil filter — RH service on port,
LH service on starboard; crankcase breather; oil
filter in valve cover; shallow center sump oil pan;
deep sump oil pan (side access engine)
- Oil level gauge and oil filter — RH service on port,
Image and dimensions may not reflect actual engine.
Applications and Spec Sheets
Industrial Applications
Commercial Propulsion
Auxiliary Engines
Genset packages
Offshore Fishing
Offshore Service Boats
Displacement Hull Yachts
Short Trip Coastal
Spec Sheets Available
Caterpillar 3412 Marine Engine Inventory
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