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3508B

Commercial Propulsion Engines

The 3508B marine engine features ratings from 578 bkw (786 mhp) to 1118 bkw (1521 mhp). Highlights of this marine engine include the Advanced Diesel Engine Management System II, Control Monitoring Protection System, Customer Communication Module, and Digital Voltage Regulator.

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Power Range 775-1500 bhp (578-1118 bkW)
Speed Range 1200-1925 rpm
Emissions IMO I
Aspiration TTA
Availability Contact Dealer
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3508B
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FEATURES & BENEFITS

Electric Unit Injector Fuel System

Electronic Unit Injector fuel system featuring 10-20 percent higher injection pressure than other 3500 Family engines Read more

Caterpillar ADEM II Electronic Engine Control/Monitoring System

Caterpillar ADEM II Electronic Engine Control/Monitoring System that provides infinitely variable injection timing and a state-of-the-art monitoring and protection system... Read more

“Deep Crater/Low Crevice Volume” Two-Piece Articulated Piston Design

“Deep Crater/Low Crevice Volume” two-piece articulated piston design with forged steel crown and cast aluminum skirt that enhance combustion efficiency to provide improve... Read more

Larger diameter Camshaft

Larger diameter (98 mm vs. 92 mm bore) camshaft for higher injection pressures, shorter injection durations, and less gear train torsional vibration Read more

Fuel Injection System

Strengthened fuel injection actuation system and rear gear train to maintain reliability and durability while providing higher injection pressures Read more

Center-Mounted Low Inertia Turbochargers

Center-mounted low inertia turbochargers (four on 3512B and 3516B; two on 3508B) on EPG models Read more

Rear Mounted Turbochargers

Dual rear mounted turbochargers on all marine configurations Read more

Separate Circuit or Sea Water Aftercooling

Separate circuit or sea water aftercooling to supply the optimum temperature air to the combustion chamber to reduce emissions and fuel consumption and maximize power out... Read more

Streamlined Intake and Exhaust Manifolds

Streamlined intake and exhaust manifolds to reduce parasitic pumping losses and increase combustion efficiency Read more

SPECIFICATIONS FOR 3508B

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Power Rating
Power Range 775-1500 bhp (578-1118 bkW)
Engine Specifications
Speed Range 1200-1925 rpm
Emissions IMO I
Aspiration TTA
Bore 170 mm
Stroke 190 mm
Displacement 34.5 l
Rotation from Flywheel End Counterclockwise or clockwise
Configuration Vee 8, 4-Stroke-Cycle Diesel
Dimensions & Weights
Minimum Dry Weight 4618 kg
Height 1803 mm
Width 1703 mm
Length 2310 mm
Maximum Dry Weight 5261 mm

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